Ground handling and support equipment (GHE and GSE) are used to service the aircraft between flights, Storage of required items etc. GHE for drop tank is specialized equipment to carry drop tank and load it on to the Aircraft. The present equipment used was not meeting ergonomic design it had drawbacks. To overcome...

The subject invention relates to development of an converter utility which converts the data sortie of one variable FDR frame format to another so that it can be played on various GSE for wide accepatblity and feature of playable on various GSE thus making it an universal sort of Data Logger Unit. ...

Achieving Interchangeability is one of the basic needs for any aircraft where huge numbers, of components are involved with simple to complex nature. This concept provides the general input/ frame work to achieve the required interchangeability for other similar assemblies used in Light Combat Aircraft. ...

An aircraft consist no. of rotables of various systems which are electrically connected. It is required to establish sufficient electrical continuity between the body of the rotable and its mounted structure to avoid mal-functioning of rotables from EMI/EMC effects and protect them from lightening. The metallic stru...

The procedure developed is capable of calculating the X and Z machine coordinates at any angular position thus eliminating the need of centering of component. The component can be placed at any convenient position on the machine table.

The mounting fixture for testing of Nose Landing Gear comprises a Jaw Mechanism which is used as main housing to hold whole mechanism of Nose Landing Gear in vertical position. The Jaw Mechanism is made of steel and comprises of adjustable jaws along with shaft. During functional tests of Nose Landing Gear, the high...

Bending and shearing hand Tool (Tool) is used for bending and shearing of legs/pins of Integrated circuit/monolithic circuit or ICs. This tool is designed and developed for Brass/copper/steel. i.e the material of the legs/pins of ICs. Both the operation namely bending and shearing is performed at one go. ...

This invention is intended for creation of rationalized standard part numbers in Light Combat Aircraft, It is observed that there was a critical shortage of standard parts in assembly shop since stock is maintained in more one inventory part number for the same standard part. Hence monitoring and accountability of s...

Embedded system consists of Mechanical Enclosure that houses various electronic circuitries such as Power Supply Module, Processor Board, Mother Board etc and facilitates effective installation/removal on/from vehicle like aircraft. The enclosure is located on aircraft using 02 Locating Pins & subsequently fasten...

The Windscreen configuration is a single bubble type. It is made up of 16mm thick stretched acrylic sheet. Earlier to achieve the quality of the windscreen bubble there was no proper standard procedure. In manufacturing process there was no standard temperature range, Tolerance Temperature, tools detail & Safety Pre...

The circuitry is used for the counting of discrete pulses generated by a signal source or sensing device. It is coustomizable and configurable for various pulse counting requirements. It converts discrete pulses into digital countable pulses and interfaces with any data acquisition and processing device. ...

Detail part drawings of LCA Aircraft calls few dimensions from Fuselage Reference Line (FRL) or A/C Centre line on the detail part drawings. These dimensions are not able to measure in the detail stage as FRL or A/c C/L is an imaginary dimensions and not available physically to measure it on the part. Fabricated par...

This method brings into play the basic use of an HBDU adapter socket to provide proper torque & assist to check the torque value during assembly inspection stage. HBDU adapter socket will provide an easy access to the HBDU adapter assembly. The HBDU assembly consists of HBDU adapter & T-adapter. As per the technique...

To ensure EMC, special backshells were introduced in LCA-Tejas Aircraft. Proper shield termination will only ensure protection from EMI/RFI. The technology referred by the vendor was very complex. Hence to facilitate the workmen a detailed procedure is developed.

Fighter aircraft structure is a riveted assembly of no. of metallic and composite components. Electrical bonding is required between the joints of structure to make structure equipotential to avoid current passage and hence electric arc to avoid fire accident. CFC components are not good conductors and outer layer o...

Abstract A Universal Repair Stand for Cockpit Instruments comprising a base, a knuckle joint with .360 degree rotational freedom, a magnifier, a LED flexible lamp, a vibrator and an instrument holder. The knuckle joint is rotatably mounted to the heavy base. The main significance of this design is that an instrumen...

Additional air intake doors (Qty 4 nos - Refer Fig 2) of fighter aircraft are installed in the engine air intake ducts in order to supplement engine with additional air during runup, and at low aircraft speeds with high engine speed whenever additional air required for the engine. The two doors are spring loaded and...

This method brings into play the basic adjustments of the length to check 6 types of Engine control rods. The length of the control rod depending on the 6 types will be adjusted & set on the fixture where the markings for all the 6 types of rods are done on the fixture. The rod is placed on the fixture such that the...

This invention relates to a fixture and more particularly to a fixture for holding a Hollow casting accurately at multiple lengths on a Lathe machine and supporting the Hollow casting for turning operations on internal diameter in single setup for producing the predetermined shape and size. It is an object of the...

This fixture is designed and developed to test Flow sensor of Aircraft Oxygen System. Flow sensor is a part used to indicate the flow of Oxygen to the pilot, when he inhales through the Mask. The test fixture is developed by integrating simple resources to simulate the breathing of pilot and testing the Flow sensor...

This invention describes the Main Under carriage fittings used in LCA-Tejas Aircraft. The Main Under Carriage Fitting were not assembled properly with its mating parts while positioning since the mating part (Interfacing region) was tolerance to wide tolerance range. This lead to build up thickness of 0.5 mm. rework...

Holding fixture is used to hold the work piece for electron beam welding machine to neutralize the effect of deformation during Electron Beam Welding operation. To achieve this work piece is attached to the fixture by the rigid clamping. The fixture should also be adapted to use with Electron Beam Welding machine. ...

This Method is used for Under Carriage follow-up door Bush Extraction and Proof testing of re-bonded bushes on hinge attachment of Under Carriage follow-up door on deep Penetrating fighter Aircraft. The bushes and bearings in the deep Penetrating fighter Aircraft are generally bonded in there housing by a system of...

This invention relates to machines employing rotary spindles, and is particularly directed to an improved drilling jig adaptable for use in receiving and holding work piece for drilling operations in this type of machine. A drilling jig of this type is employed in production operations for positioning and holding th...

The holding device is useful during the machining of cylindrical parts when various type of machining such as milling, drilling, Jig grinding etc is needed to done on the periphery of the part. It is very difficult to get the accurate geometrical tolerances and angular position on the general fixture. Holding device...

A genaralized Backplane architecture is designed for Interfacing Various Avionics Buses such as MIL1553B,ARINC429 and ARINC 717 data buses with a Centarlized Processor interface. The subject architecture Interfacing the different signals from backend aircborne connectors, carries out necessary impedance matching,fil...

Leak test /pressure test needs to be done for every pipe Assys /Ducts prior to installation on the Aircraft. Leak test is done for specified Pressure value given by design. High pressure test to be done with proper clamping fixtures to test the pipes/Ducts at required value level. This invention also provides the ge...

This invention relates to the development of new Centralized Warning System Test Set for Hawk Aircraft. The CWSTS is a metal box with a cover, below the cover is a front panel which consists switches, lamps and connectors necessary to test the Centralized Warning System of Hawk Aircraft. Below the front panel is th...

This invention relates to the introduction of new equivalent Twinax Data bus Double shielded cable to replace the parent cable used in Hawk Aircraft. The twinax double shielded data bus cable part number F10613T consists of wire made up of stranded silver plated high strength copper alloy conductor with PTFE taped a...

This invention relates to the introduction of new equivalent Radio Frequency flexible co-axial cable to replace the parent cable used in Hawk Aircraft. The RF Co-axial cable part number F108 consists of conductor made up of solid silver plated copper wire with solid PTFE taped and fused insulation, single braided sh...

This invention relates to the introduction of new equivalent wires and cables to replace the parent wires and cables used in Hawk Aircraft. The KP260 series wires and cables are used in various systems of Hawk military Aircraft; There are issues related to longer supply lead time which in turn leads to delay in prod...

In current practices, in the fuel system of an aircraft which is having dihedral wing and gravity feed in the transfer line connecting wing tank to fuselage tank, a Non Return Valve either Flap valve type or spring loaded NRVs are being used. These non-return valves are setting few inherent problems in the system an...

Deterministic and Synchronised Data Transfer System and Method between two Processors for Real Time Applications explains about the communication of real time data between the two identical processors using a shared memory. During the application execution any processor can send the data instantaneously, in the mean...

The interactive mission planning and data loader system is developed around a portable computer with necessary hardware and software modules to create the mission library using map based database in interactive manner and interface with onboard computer(s) of aircraft for data exchange. The Following are the various...

This invention relates to improved locking arrangement of idler gear shaft of a piston engine and overcomes the deficiencies in positive locking of an idler gear shaft of a piston engine. The main utility of this invention is to substantially prevent the axial movement and spinning of the idler shaft of piston engin...

Air data computer (ADC) used in aircraft provides basic air data parameters like pressure altitude, airspeed, Mach no, vertical velocity, static air temperature etc. The testing of the same is found to be tedious process as it involves various stages of testing like pre-installation checks, aircraft level testing, a...

ABSTRACT Flight data recording & analysis is a major activity for an aircraft in the prototype and initial development stage to give valuable feedback to the pilots and designers to refine the aircraft design. After every mission, the data debriefing is essentially conducted. Conventionally, this activity is carrie...

1.0 Introduction The aircraft hydraulic systems are either duplex in nature or triplex in order to meet the reliability requirements. The multiple systems are independent in nature and are designed to operate with a requirement of "fail operational -fail operational" and "fail operational - fail safe" principle. Th...

This is Opto Monitoring of Ingestion of Foreign Objects into Aircraft Engine and recording with spectral anlyser or high speed video recorder. The width and number of optical screen will be determined by the air intake max speed, smallest size of the object to be detected, optical screen detector rise time and fall ...

GRE downloads entire flight data through suitable interface . It enables analysis of data in both graphical and tabular analysis.In graphical analysis,different type of parameters can be selected.These parameter name as a group can be saved and utilized for future analysis.

This invention relates to a drill Jig and more particularly to a Jig for holding a metal plate for drilling operation on drilling machine and thereby facilitating multiple holes on a metal plate.  It is an object of the present invention to provide a Jig for holding a metal plate and supporting the metal plate th...

This invention relates to a fixture and more particularly to a fixture for holding a workpiece in multiple planes on a machining center and supporting the workpiece for multi axis machining operation in single setup for producing the predetermined shape and size. It is an object of the present invention to provid...

After establishing connection and downloading various types of data from flight data recorder, the need for analysis and requires representing them in various forms. This process involves the calibration for Analog and Frequency parameters as per database files. Database file contains the engineering range for all t...

Dynamic calibration of various flight parameters is done before actual flight operations at ground. In dynamic calibration, parameters is being calibrated with actual movements of controls & compared with respect to standard expected values. The data for comparison to standard values being received on serial port th...

After meeting the ON condition of SSFDR,algorithm checks for fault in all modules(e.g processor module,Audio module etc.) of SSFDR with the help of Built in test which will show fault by glowing doll"s eye(LED),if any.there are two types of built in test.one will be initiated after the power on condition and another...

ARINC 429 is a data transfer standard for aircraft avionics. It uses a self-clocking, self-synchronizing data bus protocol Messages are transmitted at either 12.5 or 100 kbit/s to other system elements that are monitoring the bus messages. The system for reception & analysis of ARINC-429 is designed in ...

The Bearing Extraction Tool is assembled structure of holder, special bolt, leg and dowel which is in combination act as a device for bearing removal from assembly of test piece.

The coil winding apparatus is assembled structure of base frame, vertical support, fixed jaw, adjustable jaw, locking rod & guiding pin which in combination act as a holding fixture for coil of electronic board transformer core for winding purpose and same has capability to hold different diameter & size of transfor...

A Pick-off test station is used for checking of scale factor and residual of highly sensitive Pick-off of control coils used in mechanical sensors like Gyro & Accelero.

Low Power Measuring Test Equipment is used for power consumption measurement of sensor motor during stating and running.

Test Jig is used to perform testing of the hardware of Control Unit of SSFDR. The test jig provides simulated field signals to the Control Unit of SSFDR. The Test Jig comprises of the indications / controls on the front panel for Push Buttons for Fault Indication and Doll’s Eye, LED Indications for the +12V and +28V...

Flight Data Recorder (FDR) is designed to record the aircraft vital parameters into flash memories which have to be downloaded with specific ground stations for investigation & analysis. The present invention is directed towards providing a solution, with which the Flight Data Recorder can be interfaced to a normal ...

The EMI/EMC Filter Board is an electronic board used with power supply for Electro Magnetic Protection. All power signals that enter or leave the power supply module pass through an EMI filter. The EMI filter contains a PI filter, common mode choke, Radio Frequency Interference Filters, and capacitors. It’s also hav...

Frequency Signals are grouped in High signals. Each group consists of two frequency input signals. Measurement of frequency signals is required in Flight Data Acquisition System (FDAS). Frequency signals are generally in differential form. For measuring frequency signals, first it is passed through signal conditione...

Flight Data Recorder/Cockpit Voice Recorder (FDR/CVR) is designed to record the aircraft vital parameters into flash memories which have to be downloaded with specific ground stations for investigation & analysis. The present invention is directed towards designing of Processor based electronic module which can acqu...

PCB holding stand provides storage facility for the electronics boards in bulk produciton/ manufacturing in all satges of productiton and prvent them from physical adange & dmage due to ESD.The Stand is protable , handy , suitable to requirement.

In manufacturing and metrology geometrical parameters play a vital role in context to component’s form, fit and function. Checking of these geometrical parameters employs several sophisticated and expensive measuring equipments. A few measuring equipments after completing their service life fall into the category of...

The Flexible Gasket Manufacturing Apparatus is assembled structure of holding plate, clamp plate and Allen screw with washer, which in combination act as a die for manufacturing of different dimension of flexible gasket to use in improved process of optical focused sealing of test piece.

The Apparatus for Optical Resolution & Focusing with Collimation is assembled structure of base, rod, collar, bush, holding rod, holding plate & standard Allen screw, which in combination provide vibration less holding of optics for resolution checking, focusing & collimation for assembly in test piece. ...

The Adjustable Driver for Slotted Ring-nut is assembled structure of left & right plate with standard Allen screw & washer which in combination, act as a driver for opening or tightening of slotted ring-nut of different diameter in assembly of test piece.

Magnesium alloy (GA9) is used in various "Housing" and "Casing" applications of most of the Aerospace and Automobile machine components. The major alloying elements of this specification are 7.7 - 8.9 % Al, 0.1 - 1 % Zn and 0.1 - 0.6 % Mn. It has been established that the mechanical properties of the alloy are stro...

LCA Aircraft is having around 1000 pipe lines which to be tested before installation on the Aircraft. To meet the requirement of pressure testing of the pipelines, a Compact pressure test facility is required. The invention describes the development of customized Pneumatic Pressure Test Facility for the division, wh...

Wing spar #6 is one of the critical sub-assembly in LCA Aircraft where pylon assembly will get assembled at final assembly stage and it is one of the major load carrying member. It is an Interchangeability (ICY) locating point where the closely controlled tolerance to be maintained within 50 microns. To achieve abo...

This invention is intended for easy selection of refueling / defueling mode of the defueling valve in LCA- Tejas Aircraft, prior to sortie. It is observed that it is difficult to rotate the lever by hand which is also not readily accessible and may leads to work strain and injury due to use of improper method. Based...

Cadmium is widely used by the aircraft industry for electroplating steel Components, fasteners and bearing assemblies because it provides a galvanically acceptable couple with aluminum. In LCA aircraft around 800 components are finished with cadmium (cad) plating operation. The plating thickness is varying for each...

Achieving the interchangeability of pipe assembly and avoiding clash of different pipes with each other is a difficult task at design level where huge number of parts are involved. This concept provides the general input/frame work to achieve the required interchangeability and systematic approach of release of draw...

ABSTRACT Hard Landing indicator assembly is used on the main landing gear of LCA aircraft. This assembly is mounted on Main landing gear with usual fasteners. Hard Landing indicator assembly is having two parts fitted one above the other having variable diameter. The bottom part is to be torqued to precise value. C...

Making of (1) Drill Jig for Drilling on the panel and (2) Drill template for Drilling on the Airframe structure using layup on master model. This method of Tool making practice involves making of two different tool for drilling holes on two different mating part by construction of holes from a common master model. ...

Thisinvention of the bucking Go and No Go Gauge ensured proper bucking quality in a faster and accurate way. Gauges for different diameters are made to check the quality on the spot accurately during the assembly. Checking the thickness and diameters with a vernier is not feasible in narrow areas and not accurate. T...

This invention is intended for creation of rationalized Project Consumables part numbers in Light Combat Aircraft, It is observed that there was a critical shortage of Project Consumables parts in assembly shop since stock is maintained in more than one inventory part number for the same Project Consumables part. He...

Hard lagging process is one of the hazardous activity done in the LCA-Tejas for wrapping the heat insulating sheet with, pipes/ducts. By applying the concept of dust extraction system this process become much safe and cycle time also reduced drastically. Similar concept can be developed for other such type of hazard...

Sheet metal forming is one of the major process used in aeronautical industries, sheet metal forming includes stretch forming, rubber press forming. Press forming and hand forming for aeronautical applications. The practical difficulties faced and rectification carried using improved tooling techniques to achieve th...

The method involves taking set of points from the contour surface and fit a cylinder by repeated iteration and use the fitted cylinder axis as reference for design of the form Tool and other related master Tool and lug hole finalizing for further use on Assembly.

This invention is intended for the methodology of PTO shaft alignment using three parameters (namely parallelism, concentricity and length) as variables to check the misalignment. Hence ensuring the safe life of pilot and aircraft.

The part fabrication in CNC is very difficult due to phenolic material. The material is removed in the form of dust which is very difficult to remove from the machine bed . Since CNC is high precision and control tolerance machine , phenolic material spoil the bed which cause tolerance error . For fabrication of par...

LCA Aircraft is having around 1000 pipe lines which to be tested before installation on the Aircraft. To meet the requirement of pressure testing of the pipelines, a Compact pressure test facility is required. The invention describes the development of customized Hydraulic Pressure Test Facility for the division, wh...

Most of the bushes in LCA are shrink fitted using liquid nitrogen (LN2). Some times due to assembly constraints and process variables, bush struck halfway in assembly making situation venerable for bush removal without physical damages. Use of commercial bush/ bearing pullers is restricted due to geometrical constra...

Due to complex harness in nature, Electrical loom routing path and looms are passing through a non-crimped cutout in most of the cases on the aircraft. It is very become cumbersome process as other system pipe line will always come in way of electrical looms. Hence use of proper grommets for the non- crimped cutouts...

Balancing of rotating component is very critical activity in the repair/overhaul of gas turbine. The Turbine rotor balancing plays a vital role in gas turbine mechanical integrity and operational failures. Turbine rotor of gas turbine needs to be balanced individually as a unit before installing Turbine Rotor in th...

Development of AN6227 - 10/H <& AN 6227-11/H, "O" Rings with alternate specification with.better physical properties. Presently the original specification material is inactive. The "O" Rings are being used in Lock jack main undercarriage <& Nose undercarriage assembly of Kiran Aircraft. The "O" Rings with alternate ...

The Gearbox magnesium housings being used for giving power from Engines to Main rotor blades by reducing speeds with different gear & pinion arrangements in the Housings. Also power will be transferred Tail rotor Blades. Gearbox Magnesium Housings are critical in nature in terms of Raw materials, forging the requir...

AHRS and Memory module: AHRS unit is integrated in Helicopter to provide attitudes, helicopter attitude rates, yaw rate, heading and accelerations to Automatic flight control system and IADS.Each AHRS has one magnetometer connected to it which is used to provide the heading information and each AHRS has both the ai...

Passive vibration isolation uses materials and linkages that absorb and damp the amplitude of vibration. This technique is widely used in choppers to counter the vibration caused primarily due to the main rotor system. Pendulum absorber is a member of vibration isolation system, which helps in passive suppression of...

LCA Tejas aircraft consists of 8 mounting points of wing to the fuselage structure using bolts. While aligning these mounting points, the pre drilled holes of root fittings (wing pick up) and fuselage pick up are to be bored and finished in line in the main assembly coupling jig to achieve interchangeability (ICY) b...

This invention relates to the introduction of new equivalent wire to replace the parent wire in Hawk Aircraft. The wire part number Def 61-12-5Type2 Pink is used in various systems of Hawk Aircraft. There are issues related to longer supply lead time which in turn leads to delay in production of -Aircraft. Thus, the...

The Fuel Filler cap assy is used on Hawk Fuselage Fuel Tank.The Fuel Filler Cap Assy consists of Filler Cap housing, Cover Plate, Handle, shaft. Plain pin, Nut, Spring, Plain washer, x0" Rings, Wire locking tab and Split pin made Aerospace grade material. The locking of the Fuel Filler cap shall be accomplished ...

This invention relates to the introduction of new equivalent wires and cables to replace the parent wires and cables used in Hawk Aircraft. The BS 3G 210 series wires and cables are used in various systems of Hawk Aircraft. There are issues related to longer supply lead time which in turn leads to delay in productio...

ABSTRACT This invention presents a module employing a novel method to track aircraft manually by controlling base station telemetry antenna efficiently to avoid complete RF link loss between aircraft and telemetry base station. The module consists of Input data module [100], Processing & decision making module [10...

Fiber reinforced laminated composites are being used for fabricating aircraft structural components. The manufacturing route includes manual layup of prepreg layers in specific numbers and in specific order as per design requirement. This order and number is essential to meet the design performance requirements comp...

The existing towing tank facility at NSTL, Vizag which is generally used for testing of ship models was explored to carry out the ground effect test simulation including sink rate. Separate super structure was constructed to mount the sink rate mechanism and string to hold the model. Provision was made to bring the ...

The Invented test Instrument (Figl) is a simple, cost effective, efficient and a user friendly instrument to test the status of Landing Gear Unlocks, Landing Gear Down Locks, Door Unlocks & Door Open Limits. Previously, there were no automated instruments available to test the status of Landing Gear Uplock, Landing...

Special fixture is designed and developed for aligning the castle nut position for inserting split pin in to the attachment bolt. This work is carried out for providing design torque value while mating of wing with structure fuselage of aircraft. This concept can be extended to any other places where there is a con...

LCA being a Light and small aircraft of its class with fly by wire design, the wiring structure is complex, reliable with built-in redundancies but dense. Cross functional groups are found working on the aircraft during equipping. Hence looming on the aircraft is to eliminated. With existing design and available cut...

The improved process results in synchronized acquisition of GPS and other FTI data. One of the important data for any flight test program is GPS data. The GPS time is very useful in proper synchronization of various data. The parameters such as position co-ordinates (latitude and longitude), altitude, track angle, g...

The Landing Signal Officers or Landing Safety Officers (LSOs) are mainly responsible for aircraft line up , landing and take-off on a ship deck. These LSOs earlier were using coloured flags, paddles or wands for signaling an aircraft that is landing or lining up for a take-off. The LSOs were supposed to be positione...

For riveting on aircraft structures, a standard flat shaped rivet driver was used even on contoured/curved surfaces also. This resulted in defective riveted joints. A Special Tool invented and fabricated in house was used for riveting on contoured/curved areas of the structure of the aircraft. This Special Tool for ...

Abstract The electrical boxes of a supersonic fighter aircraft consists of circuit breakers/ switches which needs to be torque tightened upon installation to the bus bar. This invented tool is used during the modification/repair of electrical boxes in the fighter aircraft. The inventors fabricated the Removal/Ins...

Slipping of lagging material from pipelines were a serious flight safety issues, as the failure of lagging material can transfer heat to critical flight instruments. Segmental lagging process can eliminate this kind of accidents. With this process, lagging material is parted in to different segments and held with sp...

In aircraft assembly aerofoil profiles of the aircraft skin plays a major role in defining aircraft performance. Particularly these controlling contour surfaces are very essential in fighter aircrafts for good maneuverability. LCA (Light combat Aircraft) consists of skins fabricated with composite materials and shee...

TITLE: AFCS Yaw Axis Handling Design for Low Speed Condition Helicopters are Inherently unstable and 100% stabilization cannot be achieved by any kind of aerodynamic design. Inspite of this the helicopter can be flown in all the flight regimes though it might require a higher pilot work load. To reduce this work ...

This repair scheme is used for repair of oversized diameter of Collective Bell Crank (CBC) which are worn out by the longitudinal lever (mating parts) assemble on it due to dynamic loads after flying 500 comp hours(approx.). CBC is installed on lower control system of Integrated Dynamic System of Advanced Light Heli...

In mechanical assemblies where ever two holes in same axis exists, the accuracy levels have to be met perfectly. In new assemblies the same can be done precisely whereas in Maintenace industries such assemblies where two holes need to be maintained co-axial becomes difficult due to change of one of the part, or irre...

Sheet metal forming and reducing weights of sheet metal fabricated parts by chemical milling is one of the practice used in aeronautical industries. Achieving the correct dimensions and thickness after chemical milling is important factor in order to achieve consistency and quality of sheet metal formed components. ...

This invention relates to the invention of new position indicator for using on Jaguar Aircraft. This item is showing the position of flaps & slats and undercarriage extended / retracted status to pilot. This legacy item had become oblesolete as this item is not supplied by OEM /stockists. Non availability of item an...

It was required to install antennae for one of the role modifications on sides of the fuselage of DO-228 aircraft without affecting the structural integrity, performance and stability of the aircraft. Feasibility study for installation of antennae on DO-228 aircraft was carried out. Location of antennae were cautio...

The purpose of Pre-lnstallation (Pl) check ¡s to verify the basic functionality of every component before it is installed on the aircraft. The Pl check for aircraft relays was being carried out manually which required wiring connections to be manually changed depending on the type of relay being tested. This entaile...

The primary function of the AOA approach Indexer is to indícate AOA deviation to the pilot from the datum AOA selected for approach. It is to ensure complete coordinaron between the indications seen by the Controlling Landing Signal officer and the pilot in the aircraft. This AOA approach indexer has quadraplex inpu...

ABSTRACT ANNEXURE - III Refer Fig 1 This is AC current sensing circuit with optical isolation and Pulse output.AC load current flows through the terminal (A) and (B).  The output pulse proportional to the input AC frequency is obtained at terminal (C). The Rshunt (3) is selected so that when the required load c...

Starter-Generator used in the DC motor is a dual purpose rotating machine for DC power generation which is installed on the accessories gearbox of the engine. In starting mode, it acts as DC motor to start the engine and switch-on to operate as a 28V DC generator. Interpoles are located between main poles in neutra...

Friction materials used as brake pads and discs in aircraft brakes are carefully engineered man made composite materials. These composite materials are designed and developed to withstand severe and diverse operating conditions of aircraft braking, as they have to absorb enormous quantum of energy within a very shor...

ABSTRACT OF THE INVENTION: Real Time Simulator (RTS) for Brake Management System (BMS) of an Aircraft consists of different models of sub system/components of Brake Management system as shown in fig-1. These models run and interact with each other to simulate braking behavior of aircraft in real time. These models ...

In any two seater fighter/trainer aircraft, two pilots will fly the aircraft. In such a case both the cockpits will be powered .During solo flying, the rear cockpit displays and indications will be powered which leads to unnecessary waste of aircraft power. During solo flying, it becomes mandatory for the ground ...

The integral lighting is provided in aircraft to enable visibility of all legends on the cockpit consoles, signs and symbol displays during night flying, with the same comfort level as in day time. A switch in the cockpit is used to select the Day/Night Mode. The integral lighting is not required in day flight with ...

This scheme facilitates Weight off wheel condition to be simulated on ground by using a switch in Maintenance Panel on a fighter aircraft. On any fighter aircraft Armament checks can be carried out only if weight off the wheel condition is "TRUE". In conventional method, in order to simulate weight off the wheel "T...

The influence of the offset on the basic aerodynamic loads of the aircraft model was measured in low speed wind tunnel using shadow analogy. A simple floor mounted sting with provision for changing alphas was fabricated, and the model under test was mounted in inverted position. The sting with offset was also mounte...

In current practices, operational launchers are used in the fighter/trainer aircrafts during the sorties in order to meet the operational clean configuration (OCC) requirements. The use of such costly and scarcely available operational launchers needs to be regularly maintained and serviced which require skilled man...

Air combat maneuvering Instrument pods plays a vital role in capturing/recording flight envelope of fighter/trainer aircraft in typical combat scenario. The recorded data are used for real time / post flight analysis. The post flight data analysis requires various data from different equipment"s; in this case all th...

Flow visualization techniques are being continuously developed with advanced instruments and scheme. This paper describes an innovative, simple and effective flow visualization technique that has been developed to trace vortex patterns over highly swept wings at low speeds at HAL low speed wind tunnel. This novel te...

This invention relates to aircraft landing phenomenon. The devise which is installed on the aircraft shock absorber, helps in detecting "hard Landing". Landing gear shock absorbers are designed to absorb the aircraft vertical kinetic energies with controlled landing reactions at the time of landing. Landing gear & a...

The arrestor hook actuation schematic is a simple and reliable electrical-hydraulic system circuit which can be used in Navy aircraft operated on ship deck. All fighter aircraft which are operated on the ship are required to land on deck and these aircraft are equipped with a very reliable and fail safe arrestor ho...

A mechanical system is needed to facilitate locking of the canopy of the aircraft in opened and closed positions. The system-should also ensure that the canopy does not get opened unintentionally due to vibration during fight. The system requires safety features which ensures partial locking is not stable. Also need...

Nose bobbing is generally observed phenomenon during aircraft taxi over rough runway surfaces. There are multitudes of reasons for this phenomenon. However, nose landing gear stiffness & damping characteristics is generally considered the main contributing factor. During taxi of an aircraft the commonly encountered ...

The earlier aircrafts which were designed and developed by Aircraft Research & Design Centre had employed the power supply unit, shorting links, Digital multimeter, Mechanical interface test unit which contains switches, sockets and LED indicators were used to check the following: 1. Temperature sensors 2. Hydraul...

Dual Redundant In-flight Egress system (IES) of Canopy severance for Fighter Aircraft employs two rows of Shaped MDC pasted on canopy bubble of fighter aircraft which will sever the canopy bubble when pilot pulls the ejection handle. MDC fires and severs the canopy bubble thus providing an unobstructed path for the ...

Abstract Rain water tightness on aircraft has to be achieved according to the standard ADS-36.2. Rain Water tightness testing is done on the aircraft to check for the entry of Rain water into to the water tight areas of the aircraft. For the Inspection, Maintenance and Replacement of the LRUs and other Systems, eit...

It is an aircraft structural design used for transferring Engine truss mount loads through Longerons(primary moment resisting member) to the fuselage structure of a turboprop trainer aircraft. The improved design has the minimum weight with no extra parts and eliminates the tooling time and cost required to form the...

Sandwich composite parts like doors/covers are used in the fighter aircrafts because of excellent bending stiffness to weight ratio. These door/covers opened & closed in Replacement of the LRUs and other Systems, either periodically or daily inspection as part of the maintenance procedure. Majority of them are inter...

This invention relates to improved Anti skid control unit used in brake system of Jaguar military Aircraft. Servicing / maintenance of the imported Anti skid Control unit was taking considerable time due to obsolescence of the components affecting the serviceability of the fleet. Thus in accordance with the inventio...

This invention relates to development ofimproved new coaxial cable F400 used in various systems of military aircraft. There was a urgent need to develop these cables as the lead time to procure RG400u would have affected production. The development was made to the latest military requirement with increased serviceab...

This is relates to the invention of module tester involving with improved design to cater the testing and servicing of various Modules used in Voltage Regulator of Jaguar aircraft. Module Tester is a fourth line bench level tester. The design was primarily made keeping in mind the obsolescence issues of various comp...

LCA Tejas Centre fuselage Assembly is built using one single Jig This Assembly consists 809 fabricated parts which includes Machine Parts, Sheet Metal parts & CFC parts. Present cycle time required for assembly of Centre Fuselage is 150 days approximately. To reduce build cycle time and enhance the rate on producti...

Aircraft building involves many challenges right from detail part fabrication to final assembly and testing due to the complexity involved in the design requirements. Presently majority of the system pipe lines for combat aircraft are fabricated through manual pipe bending and welding process resulting in poor quali...

ABSTRACT OF THE INVENTION The present invention is a method for missile simulation in Air Combat Simulator used for training pilots. It allows the generation of missile models having different thrust and weight characteristics, drag characteristics and guidance and seeker characteristics. It enables pilots to use d...

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ABSTRACT Refer Figure 1 This invention relates to the method for generation of Mini Flight Director Symbol for the Head up Display for enhanced navigation and guidance information to pilot of fighter aircraft. The Mini Flight Director symbol is generated using the destination waypoint coordinates available in missi...

Military aircraft are equipped with variety of sensors. This invention provides a unique way of fusing ground moving object tracks as observed from radar and IRST sensor. Radar is having better range accuracies and IRST is having good angular accuracies. Based on the sensor measurements, the ground moving objects st...

Accordingly, the description of the present invention is to be considered as illustrative only and is for the purpose of teaching those skilled in the art of the best mode of carrying out the invention. The details may be varied substantially without departing from the spirit of the invention, and exclusive use of a...

The Tape Cleaning Machine is a compact machine for the cleaning of magnetic tape having tape adjustment features during cleaning operation . During the operation, the magnetic Tape records / reproduces information, passes over different rollers and two magnetic heads. Due to this, after prolonged use, scratches and ...

Inconel and Stainless steel are among the very important materials in aircraft industry that we use on regular basis for High strength & corrosion resistance at high temperature regions. These materials with the above said characteristics find its application basically in the areas of Environmental Control System (E...

The harmonization of an inertial sensor unit, i.e. inertial measurement unit (IMU) or attitude & heading reference unit (AHRU) is required to be performed as part of the unit"s installation on aircraft (or carrier). The platform, on which the inertial sensor unit is mounted, needs to be harmonized with respect to ca...

Abstract of the Invention Helicopter rotor and transmission system"s main task is to provide sufficient torque and lift for lifting the rotorcraft. The torque generated in counter to the rotor torque direction needs to be arrested to have effective torque. A Composite torque plate provides an anti torque arrangemen...

The present invention relates to aircraft navigation, and in particular it relates to a method for acquiring obliquely the position of a ground target. The Flight Management Computer (FMC) (4) takes the present position and attitude angles from INGPS (2) and obtains the deflection of fixing cross on HUD(5), which re...

The present invention is a method for Real Time Training of Air-to-Ground weapon aiming with on-board Weapon Aiming Computer and Weapon Control System (WCS) of a combat aircraft. This present invention enables real time weapon selection, validation of weapon configuration, aiming and delivery of weapon to a pre-defi...

The present invention is a method to modify the time schedule of the automatic Flight plan navigation of an Aircraft during the flight. The present method provides facility to enter time delay/ advance in the time schedule of the active flight plan during flight. The Flight plans including time schedule for the flig...

Military aircraft are equipped with variety of weapons. This invention provides a novel methodology of weapon aiming during the turning phase of aircraft. The Weapon Aiming System employing this methodology interacts with sensor like INS for the attitudinal information, ballistic computer module for forward throw in...

This invention provides a system and method to validate the weapon configuration of the Weapon Control System for fighter aircraft. The invention provides indication to the pilot of the valid or invalid configuration selection to perform weapon aiming. The weapon configuration is validated by a two layer concept whe...

ABSTRACT The present invention relates to Avionics databus communication between various onboard systems. In particular, it relates to a method of scheduling Mil1553B aperiodic messages for the exchange of data and information by the Bus Controller with the other Remote terminals. The present invention provides an...

This invention provides a system and method for real time computation of horizontal range by the Weapon Aiming System 100 for level toss bombing for air-to-surface unguided weapon during continuously computed Release Point (CCRP) from fighter aircraft taking into account the increase in the height and along distance...

This invention provides a method for the in-flight correction of the Barometric Altitude of an aircraft using pilot inputs from the hand controller, based on cues displayed on a Head Up Display (HUD). For accurately carrying out Aircraft missions, the height of aircraft above the ground and sea-level is to be calcul...

ABSTRACT OF THE INVENTION Training for pilots involve a familiarization with aircraft cockpit control and display systems and system functionalities during various mission scenarios. This is usually achieved by means of ground based simulators. However, the simulators are available at limited locations and not at a...

EMC (Electromagnetic compatibility) Noise Reduction In Aircraft's K Type Thermocouple Sensor Measurement technique can be utilized in any type of aircrafts where Thermocouple (K type) is being used and an effective measuring circuit of acquisition of signals of thermocouple is being used.

DBAU includes an aerodynamically shaped container that houses various electronic modules including antenna. The DBAU design ensures it will slow down to a known terminal velocity and survive ground impact after ejection from vehicle. It also floats on water indefinately.

After a crash happened, the prime concern is to search the recorder unit from the  wreckage and post data analysis. During crash an aircraft faces severe environmental  conditions like high temperature fire, low temperature, impact shock etc. This  procedure helps us to read back information successfully from memory...

The external interface is a digital bridge between data processing device and NAND based nonvolatile memory. It accepts any general purpose memory control cycles and generates the digital fabric to access NAND flash memory device.

There is no inbuilt capability in present Milking and Analysis Equipment for report generation. So for making non editable report in milking/Analysis Equipment a new extension is developed for making non editable report that is specialized on "Report View" and “Printing Feature”.

Deep Sea Pressure Test facility developed for testing of Protected Memory Module (PMM) of Solid State Flight Data Recorder (SSFDR) for aircraft. As per International standards (EUROCAE ED 112 or TSO- C124 (a)) for SSFDR, a pressure of 600 bar (equivalent to 6km deep sea Pressure) is required for qualification of PMM...

A Vibration Fixture is used for holding a test piece for applying three equal vibration forces which extend along three mutually-orthogonal axes so that each of the forces extends parallel to a corresponding respective one of three mutually-orthogonal axes of the test piece. It comprises feature that are suitable fo...

This invention has to do with forming roller and the technique to fabricate the component of tubular section having frustum of cone, Round shape etc. More particularly, the invention is concerned with forming tool which are suited to high speed, low cost forming of thin tubes in symmetrical shapes and with the use o...

Pilot Control Unit (PCU) is a Human Machine Interface (HMI) of Automatic Flight Control System (AFCS) for the helicopter. It provides interface between Crew and Automatic Flight Control Computer for Flight Control System operation. PCU has Push buttons, AMLCD display and hot keys with NVG compatible LED back lightin...

The module shall generate cockpit instrument panel window consisting of Cockpit Instruments present in the Aircraft. The cockpit Instruments are typical virtual replacement of the aircraft cockpit Instruments and the measurement values and limits are the same.Flight Path reconstruction is performed on the basis of L...

SSFDR is designed to record Aircraft Data & Audio during flight for crash or incident investigation. DRU download the entire flight data through the USB/Ethernet interface to SSFDR. It shall also enable the analysis of data in both graphical and tabular analysis. Raw and engineering data both can be viewed during ta...

Present invention refers to energy storage and release device made of cold drawn steel wire for ejection of aerodynamically shaped Airfoil enclosure that houses various electronic modules, having a deflection of 60mm to 65mm.

During the process of signal conditioning and digitizing, the analog signals gets affected by the inherent tolerances of electronic components, used for scaling the analog signals. In order to address inherent tolerance in the electronic components, used for scaling the analog inputs, certain correction factors are ...

This invention has to do with vibration fixtures. More particularly, the invention is concerned with vibration fixtures which are suited to high speed, low cost testing of IFU of Jaguar aircraft, and with the use of less skilled workman for maximum productivity and economical processing. It is a feature of the inven...

Milling fixture for the holding and supporting the casting during machining. The present invention relates work supporting device for milling machine. Milling fixture of the present invention has the unique feature of supporting and positioning of work piece with respect to reference face of milling fixture at desig...

Equipment for generation of 3400 ‘g’ Impact for 6.5mili second is based on a chemical reaction, which converts the original material namely, the explosive into gaseous product at very high temperature and pressure in relatively short time. The radiating pressure wave propagate in the radial direction as a compressiv...

A cockpit voice flight data recording system (CVFDR) including a Data retrieval unit (DRU) and control unit. The CVFDR has different interface ports for communicating with one or more external aircraft instrumentation subsystems. The system includes two digital communication bus coupled interface ports and arranged ...

The Power supply unit is a DC to DC converter which accept +27V DC input and provides +24V DC as outputs. The DC to DC converter is assembled in a Radiator plate and further assembled in the Power supply unit . The developed Radiator plate performs the function of Heat Sink in Power supply unit and dissipates the he...

A download, upload, analysis and display device for post event data related to vehicle maintenance. The invention extract meaningful data from processor based system supporting digital interfaces, analyze it further and convert it to the form that can be displayed to generate simplified information to the ground sup...

After downloading various types of data from flight data recorder, analysis is performed and presented in various forms. This method helps in synchronizing the audio data (of selected channel) with various critical recorded parameters, which could be of great help in case of post data analysis. ...

Aircraft has a main power supply for providing electrical power to various LRUs. In case main power supply is absent, Energy Storage cell is able to provide power supply for driving some of LRUs related to Flight Data Recorder. Backup PCB is the back bone of Energy Storage Cell. Backup PCB is a device or ...

This invention relates to a fixture and more particularly to a fixture for holding a hollow casting in a milling machine and supporting the walls of the casting thereof while the casting is being machined to a predetermined shape and size. It is an object of the present invention to provide a fixture for holding ...

The process of oil impregnation of ball cages is a customized process and it is done for providing life-long lubrication to bearing assembly of Gyroscope. This specialized process ensures very low frictional torque through requisite absorption of lubricant oil inside the porous material of cages so that there is no ...

Analog & Synchro Acquisition Module is a electronic board used in Data Acquisition System (DAS) of Flight Data Recorder. This module receives multiple Analog Signal and Synchro signal representative of various aircraft parameters. A single address command from the flight data recorder central processing unit (CPU) c...

This check apparatus is a blueprint for verification and authentication of different electrical signals & logical parameter of Video amplifier. The electronics device under analysis is preferred to achieve automatic & simultaneous adjustment of amplification in several number of analog channels. ...

Auto Stabilizer Test Set is complete test facility for Testing of Auto Stabilizer Unit. This unit provides automatic stabilization of Aircraft during Manuveres/Firing/ Flying etc especially at Low altitude.

The present invention converts the standard binary & loader file generated from compilation of code into acceptable formats which can be programmed inside the electronic module through RS-232 interface.

The Canopy roller bracket depicted is a critical component (i.e. a Class A part) used in the opening & closing of the canopy of aircraft. It consists of three holes which have very close tolerance. JIG BORING (CNC) machines had to be employed for the drilling operation which required very high precision due to its c...

Control & Indication Unit (CIU) is a passive unit. This unit provides junction between Data Acquisition Unit (DAU), Recorder Unit (RU) and External Milking Units. An external milking unit downloads data from DAU or RU through this unit. It also indicates the health of both DAU & RU through LED’s. ...

The Audio module is based on SHARC ADSP Processor, a 32 -bit floating point Digital signal processor operating at high frequency. The module consists of on-board FLASH EPROM and Static RAM for code and data respectively. It is also equipped with Dual Port RAM which would be used for inter processor communication. Th...

This invention relates to a shaping tool and more particularly to a bending tool for holding a sheet metal based job while the sheet is bent to predetermined shape and size. It is an object of present invention to provide a fixture for holding a metal sheet and supporting the surface thereof to maintain the precise...

A Flight Data Acquisition Unit (FDAU) for use in an aircraft flight data recorder receives multiple analog and discrete signals representative of various aircraft parameters. A single address command from the flight data recorder central processing unit (CPU) causes a first multiplexer to select a set of analog sign...

Frequency acquisition and processing plays most important role for recording of Engine parameters of any of the aircraft. After completion of a flight all critical parameters are analyzed in Ground Equipment, if any random deviation is found during acquisition of frequency (Engine RPM) this will show the Engine heal...

The earlier Milking and Analysis Equipment was having a feature of performing fixed type analysis of ARINC-429 parameters. The present limitation is overcome by implementation of Configurable field of ARINC-429 in Dynamic Data File analysis tool of ARINC-429 Parameters.

This invention relates to a fixture and more particularly to a fixture for holding a round bar in a Jig grinding machine and supporting the round bar thereof while the round bar is being machined to a predetermined shape and size. It is an object of the present invention to provide a fixture for holding a round b...

Fixture for plate Mother board used for assembly of multi-layer mother board PCB of a unit. It makes easier the mother board PCB assembly by easy rotations (360° rotation) and parallel working on top and bottom layer of PCB.

The present invention is specifically fabricated for making the wire loom to electrically connect the two Electronic Cards used for generating the output command signals. This board makes the wire loom making process independent from the Electronic cards making process.

The graphic processing device accepts data inputs from any data processing device and generates the graphical and alpha-numeric diplay information for display equipments. It is desinged around the concept of flexible and customisable digital graphic processing.

BOX Wrench for Control Card is a facility for removal of the Screw of the Connector during assembly in electronic board. It makes convenient and easier the assembly of connector in electronics PCB where screw in connector needs to be removed before assembly in board.

The special Fixture is designed for holding the cylindrical components to maintain geometrical parameters as well as dimensions with respect to center line of the job. This fixture is used on milling machine as well as on Jig grinding machine or similar type of other machines. Same type of application is used in oth...

Sheet metal forming is one of the major process used in aeronautical industries, sheet metal forming includes stretch forming, rubber press forming and hand forming for aeronautical applications. The practical difficulties faced and rectification carried using improved tooling techniques to achieve the required cont...

This is a system for managing the various types of vehicle related details. The system facilitate the user for reading of existing vehicle related details and feeding of the new details, if any, alteration is done to the vehicle related details like part number during maintenance and overhaul of the vehicle. ...

This invention relates to a turning fixture for holding a special shape component for turning operation in lathe machine and thereby performs turning operation on the component. Object of the present invention is to provide a fixture for holding a special shape component and supporting the job thereof to maintain...

Abstract This Invention of repair scheme is used in deep penetrating fighter aircraft. The repair scheme is used in cockpit canopy stowage handle holding knob. The Knob is situated in cockpit canopy handle which is used to operate opening and closing of canopy. The canopy stowage handle button is pasted in its posi...

The present invention of fixing the Plates over the isolated foundation is advantageous where surface area of the conventional foundation is less compare to surface area required for mounting the revolving tables or any other object. It also provides the better stability to initial alignment and surface leveling of ...

The present invention provide Complete functionality check (Active/Passive) and Programming of CPLD before final assembly into PCB. This socket reduces the diagnosis and repair time of electronic cards which leads to improved productivity and quality of the product.

ABSTRACT To invent / design a compact and portable system for testing the Main Rotor Tracker sensor on ground and establish its functionality before installing it on the Helicopter to carry out rotor track and balance flights. Tracking and balancing process requires many flights to be carried out. Many a time the t...

Vacuum impregnation system is a customized combination of various chambers, vacuum pump, pressure line and pirani gauge. This setup is used for impregnation of magnetic coils with utmost quality and realiblity with or without help of pressure generated by varnish. This system is easy to make, operate and maintained ...

The Aircraft brake functions by virtue of the conversion of the kinetic energy of the moving aircraft to heat energy and the absorption and subsequent dissipation of the same by the heat sink (Heat pack) Aircraft brake unit consists of heat pack assembly where friction brake discs are assembled, which are operated ...

ABSTRACT Spar is one of the major components for building aircraft Nose Box with many ICY requirements. It is = 5.0 m in length having varying section with variable contour on outer and inner surface along with specified number of tooling holes with a specified close tolerance diameter. The present method has been ...

Cambering tool pertains to shaping, bending and cutting of pins of integrated circuits for mounting the integrated circuits on printed circuit boards. It provides the desired shape to pins of integrated circuits so that these may be fixed on printed circuit boards and any damage during vibration and change in climat...

Title of the invention: , Static Strength Test Rig (SSTR) for structural testing of airframes of ship borne aircrafts Abstract One of the mandatory requirements for final certification of any aircraft under development is the assessment of the structural integrity of its airframe. A Static Strength Test Rig (SST...

SSFDR records the critical Aircraft parameters during flight coming from different aircraft sensors and from various interfaces.Different analog sensors generate different voltage with respect to physical location of parameters.In case of SSFDR trapped in an infinite loop due to any reasons, the system with watchdog...

Aircraft Parallelism is similar to wheel alignment of automobiles the Main undercarriage legs are adjusted for camber angle and parallelism. The nose leg is adjusted for caster, camber angle and parallelism. The nose undercarriage parallelism is not adjustable. The main under carriage parallelism is adjustable and w...

The invention specifically comprises an improved fixture which facilitates system configuration of the mechanical & electrical subassemblies and the computer interface requirement of the 2 axis motion simulator.

ABSTRACT .LCA Tejas aircraft consists of 8 mounting points of wing to the fuselage structure using bolts. While aligning these mounting points, the pre drilled holes of root fittings (wing pick up) and fuselage pick up are to be bored and finished in line in the main assembly coupling jig to achieve interchangeabil...

In order to enable convenient ingress and egress of the passenger/cargo into helicopters, it is imperative to provide wide cabin entry. In general, sliding doors are the prime option for wider entrance due to its versatility of construction in large sizes. Sliding doors require two or three long sliding rails to op...

Printed circuit boards are the main building block of electronic system. Resistances are one of the main components used in printed circuit board assembly. Placing resistances with proper length of the leg is important for assembly. This resistance bending tool invented helps in this purpose by providing the easy wa...

The invention specifically comprises a method for storing the CVFDR"s self error bit informations,with the help of Power PC processor,which can be used in case of the CVFDR is not able to record any aircraft data due to some fault in the CVFDR. However the CVFDR always records self bit information even if the record...

A screen printing device (Tool) is used for screen printing of parts. Tool is having the facility of holding the parts and screen together. Screen printing is done while Mounting the screen on the top end part and components is placed on the base of the device. This is universal type of screen printing tool. The scr...

The In-Flight Refueling (IFR) Light is to be installed on the airframe of the Aircraft and its function is that it is switched on whenever In-flight refueling is in progress. The IFR Light is attached to the airframe with the help of rivets which are permanent fasteners. The position of the IFR Light is extremely i...

Work holding fixture is used to hold the work piece for machining to neutralize the effect of cutting force generates during machining. To achieve this, work piece is attached to the fixture by the rigid clamping. The fixture should also be adapted to use with standard type of machining centre. ...

The Present Invention relates generally to spot welding and particularly to a novel device for guiding the electrodes, concentrating the heat at the point of the weld, as dissipating heat that is conducted to other areas of the work pieces. A spot welding fixture with electrodes is use to hold the work pieces to...

This special tool is designed as locator, drill template and dummy LRU for system cleaning. The conventional layout method requires lot of tool change and time consuming. New concept is a onetime solution for multiple stages of work.

Flight Data Recorder (FDR) has been designed to investigate the causes of crash. The FDR consists of a data acquisition & recording unit. Further the concept of placing an audio & visual warning system inside the Control panel of FDR that helps the pilot/ground crew to ensure the serviceability of FDR. Presently the...

All the aircraft data and cockpit voice are stored in the protected memory module of the Flight Data Recording system. Data retrieval and its analysis is the main purpose after crash and accident of an Aircraft. Flash ICs are used as a storage medium of the memory module. Safe and successful removal of the Flash ICs...

The said apparatus used to mount sub zero level cooling arrangement without harming the device. Further, the said apparatus dampen vibrations generated by cooling arrangement.

A multilayer fixture for heat treating furnace is disclosed formed in a rectangular frame network structure composed of multilayer light weight rectangular shape plates. Rectangular shaped plates are arranged vertically in four upright bars. Rectangular plates are used to adapt and support the thin walled rectangula...

Abstract One of the major and obvious problems of dual intake system for a single engine is flowasymmetry. Same may result in excess of the pressure loss, distortion and the swirl. Altogether, they influence the engine performance and the engine life to a great extent. In order to address this issue a study was con...

The said fixture for handling of test equipment for thermal chamber is assembled structure of bracket, adjustable & fixed rod , which in combination act as a holding & fixing stand for test piece whose height can be adjusted according to port hole position in Climatic Chamber.

The turn tables and thermal chambers need to be meridian/north aligned for carrying out the functional checks of the Navigational System such as Attitude and Heading Reference system (AHRS) since said systems contains inertial sensors like gyroscopes and accelerometers. The turn tables and thermal chambers are north...

Verification of ARINC429 data avilable in buffer through RS422 data bus in Realterm. On transmitting the data from the test equipment, the data are stored in buffer and the same data are transmitted on the RS422 channel to ensure the data loss of ARINC429.

Generally, cylindrical components can be hold in chucks, collets to perform operations like turning, milling, grinding etc. For performing machining in components where length to diameter ratio is large, holding of component is one of the major constraints. This invention addresses aforesaid problem in a simple and...

A Loom Fixture used for assembly of chassis loom, which provides proper routing and electrical connection.It is handly and lightweight structure.

Modern Aircraft design is dynamically unstable in nature. To keep the aircraft in stable in the air, automatic flight control systems are used.The control systems architecture basically has several flight control computers to monitor and control the pitch roll and yaw motion of the aircraft. Feedback based mechanish...

Earlier the duct assembly which was removing by using handmade tool by which the collar of duct assembly was getting rejected due to damage while removing the alternator from fighter aircraft. Present Method of removing the Alternator cooling duct assembly by using invention i.e., Tool, the process is very simple a...

This invention relates to create a fixed object, mostly called as fixture for holding a work piece for a machining operation. This object securely locates (position in a specific location or orientation) and supports the work, ensuring that work piece produced using the fixed object will maintain conformity and inte...

Title: Retractable Landing aid for Mini/Micro UAV UAVs have different landing aids depending on the class of the aircraft. The Micro / Mini UAVs often do not have any landing aid and makes landing on its belly on ground. While the bigger ones like MALE and HALE UAV (including UCAVs) use conventional retractable l...

The power supply module is a sub-assembly of Flight Data Acquisition Unit (FDAU). Its function is to convert an aircraft 28V DC supply into four outputs, which are independently short circuit protected and jointly isolated from input. The nominal values of the four outputs are +5V (1.2A), +15V (0.4A), -15V (0.34A), ...

This invention relates to the development of new Cockpit Temperature Sensor used for Jaguar Aircraft. The CTS consists of one front plate and base cover made Aerospace grade material. Front plate consist of thermistor sensor positioned in a cylindrical stem and base cover has one PCB with processing electronics cir...

The Test equipment requires simulation of dynamic data for testing of dynamic Flight Data Recorders. The dynamicity of data simulation controlled by changing the sampling rate of direct sensor data and by masking enabling / disabling of the direct digital bus data (MIL 1553B & ARINC 429) in Setup & Configuration fil...

The most modern aircrafts are powered by turbine engine. Turbine engine generates the thrust by combusting the compressed air and fuel mixture in the combustion chamber. The compression efficiency relies on the compressor section. The compressor provides the sufficient amount of high pressure air. In addition to thi...

The Toroid is supplied with 115 V, 400 Hz , Single Phase Supply. The outputs of the Toroid are rectified, smoothed and stabilized to supply the restrictors and the DC supply rails of the system. The Toroid are assembled which requires specialized skill to assemble because the space inside the core is less and number...

Title of the invention: Multi axis weather proof camera housing and its installation A multi-axis weather proof camera housing scheme is designed and installed on fixed wing and rotary wing aircraft. This camera housing, along with suitable camera, when installed on an aircraft at pre-determined location, can be u...

A Servo tray is used to take the inputs like X- axis and Y- axis current sources and provides X–axis and Y--axis outputs to the Channel Card X and Y as Pickoff X and Pickoff Y. The Channel cards demodulate the signal from the Gyro and the outputs are filtered.

A detachable mounting Bracket/Fixture for thermal chamber has been developed. The said detachable Bracket/Fixture has the ventilation module (air blower) which circulates inside air of Thermal chamber into Unit under Test (UUT) for maintaining uniform temperature environment inside the UUT. The said detachable Brack...

Angle fixing tool is basically used for setting one component at fixed angle mounted on a cylindrical helical or straight cut component during laser welding assembly. Briefly, the present invention is small and easy to use and saves approximately 90% of time consumed.

Test Equipment (TE) has been made up with complete hardware in a 19” rack mountable Enclosure having the facility to monitor all the parameters on front panel. USB based Controller Chassis along with associated interface electronics are placed inside the enclosure of the test equipment. It is used to generate variou...

This system is automated thermal stabilization equipment which works in closed loop. It controls the heating temperature of the casing of sensors like Gyro & Accelero under test.

The said Contactor based temperature controller consist of temperature indicator, electrcal contactor and electrical oven. This complete setup is used to control the temperature automatically inside the electrical oven.Electrical contactor switch On/Off the oven as per set temperature.

A method and apparatus for laser beam welding. The present improved invention is a fixture that holds and positions the thin sheet metal work pieces at a particular accurate angle during welding and holding of one work piece that rotates easily between two welded work pieces after laser beam welding. ...

Analysis of Aircraft parameters requires identifiers and sync words for differentiating recorded data at different time frames and for facilitating the downloading of data stored in the memory. These data are internally generated and are recorded in the memory in the specific format with the aircraft data acquired f...

Sandwich composite parts like doors / covers are used in the fighter" aircrafts because of excellent bending stiffness to weight ratio. These door/cover opened & closed in replacement of the LRU"s and other systems, either periodically or daily inspection as part of the maintenance procedure. Majority of them are in...

Milling fixture is used to hold the work piece for milling in a manner to ensure that the work piece is properly positioned through butting & rigidly clamped on the fixture so that all the required parameters & dimensions are achieved, within tolerances, as per Machining drawing of work piece, during milling. Clampi...

LCA-TEJAS is a light weight, digital fly by wire aircraft with complex harness technology. Loom equipping on the aircraft becomes cumbersome where different cross functional teams work simultaneously. Hence the need for loom integration was felt. A detail study on the loom routing path including length and branching...

ABSTRACT This invention is intended for the bushes used in LCA Aircraft. Most of the bushes.are pressed in to the Structural frames or brackets with shrink fit during sub-assembly stage or aircraft build stage. This causes shrinkage of Inner Diameter (ID) of the bushes and leads to non-entry of mating part (Bolts, ...

Data Acquisition Processor Module with multiple Communication Interfaces is the core module of FDR, whose job is to supervise or control the functions of other modules, has extensive built-in-test facility for system health monitoring, data acquisition, processing and storing it into protected memory module. This mo...

A back plane has been designed for the Analog Video signal interfacing and its processing. RGB and Y/C analog video signals is fed to different Cards for further processing via backplane. This backplane has been uniquely designed where Protected Memory Module is connected to the same back plane with a dedicated conn...

This invention is related to the component video signal switching to the display unit through video interface stages.There are video interface Ics which convert the video signals into suitable switching format energized by unbalanced dual power supply.

A critical parameter recorder unit contains crash protected memory module (CPMM) in which only selected parameters are stored which are mainly needed for crash analysis. It is not get separated in the event of crash. The system includes two digital communication bus coupled interface ports (ARINC-717 and ARINC-429) ...

A Process Architecture for Increased Parameterization in the Solid Modeling and Design of Aircraft Wing and Empennage structural assemblies and parts. Abstract Design involves human effort, often demanding the incorporation of changes. So this human effort plus the changes result in another considerable effort. Bu...

Flight Data Recorder (FDR) is designed to record the aircraft vital parameters into flash memories which have to be downloaded with specific ground stations for investigation & analysis. The present invention is directed towards acquisition module which has the inherent capability to acquire data on standard MIL-STD...

The invention specifically comprises an improved fixture with few mechanical work pieces required for the slotting operation .The fixture ensures availability of optimum working space on the holding block for mounting of fixture work piece. It is a holding device which mainly consists of following type of parts i...

Abstract The Aircraft Oxygen System LRUs are tested for various parameters during a base repair or Reconditioning. The tests include Charging of Cylinders, leak test of components, reduced r pressure test flow test and pressure drop tests. This test rig is designed to test the Oxygen components of various Aircra...

BOX Wrench is a facility for Holding the head of Screw of the Connector during assembly in electronic board. It makes convinient and easier the assmebly of connector in electronic board PCB.

The five different type of Fixtures are specifically developed for filling of sealants/compounds upto the acceptable level on the Electronic Cards.

We Claim: Method to carry out the serviceable tests on Rudder Pedal assemblies (LH and RH) and Adjusting Box Assembly by the use of testing fixture. Method performed to mounting the Rudder Pedal assemblies LH and RH on Fixture during testing operation. Method performed to mount the Adjusting Box Assembly and Fl...

Mould sealing agent/paste is used to seal the two sand mould haves while assembling moulds with core. Sealing paste is applied on peripheral edges of lower mould (drag) and upper mould (cope) is assembled with bottom mould. In between the parting lines of top and bottom mould there is chance,of minor gap due to impe...

The present invention helps in simulation, monitoring of recorded data & providing the Go-No Go display/signal to verify the serviceability of the equipment.

The designed electronic circuit of IR Laser Source Equipment is a IR LASER Radiant source for optical alignment & tuning test bench of Laser Trans-receiver section of any type of Laser Range Finder Article.

ABSTRACT: The new installation scheme is designed and developed for testing, on Ground Test Vehicle. It contains combination of units and unit supports (Brackets) as an assembly, installed on Rotary Hub Plate of helicopter. The unit consists of battery, the main system, transmitter and antenna. The battery suppl...

Data Recorder Unit (DRU) records the frame containing the information of direct parameters (Analog parameter, Synchro parameter, discrete parameter & Frequency parameter) and MIL-STD-1553B data acquired by the Flight Data Acquisition Unit (FDAU) along with audio data, which is digitized by the DRU itself. The Record...

Fighter aircraft pilots-need regular breathing oxygen supply to breath normally, in high altitudes. Gaseous cylinders are used to store the oxygen required during the flight. The Cylinders used in aircraft needs to be charged with Gaseous oxygen, The test set was designed and developed, to carry out oxygen charging...

In order to transfer the pilot inputs to the Main Rotor, design of kinematics for Main rotor controls with introduction of a lever in between MRA and NRSP helps in: • Reducing the lower flight control loads • Reducing out stroke of Main Rotor Actuator • Reducing weight of the Main Rotor Actuator • Simplifies the...

Frequency & Discrete Acquisition Module (FDAM) is a electronic board used in Flight Data Acquisition System (FDAS) of Flight Data Recorder. This module receives multiple Frequency Signal and Discrete signal representative of various aircraft parameters. The discrete part of the module accept up to twenty separate is...

Flexi Rigid backend architecture is the system which does the communication interface for various electronic signals for processing. It also does the EMI filteration and provide ripple free power supply to signal processing system by catering various electronic components in optimum space. ...

The Data Acquisition Unit (DAU) acquires different types of sensor data from the aircraft, processes them and stores them in the Memory module. It encodes the data according to ARINC 717 Harvard Bi-phase standard and sends the selected data serially to the Recorder Unit (RU). The Memory module is capable of storing ...

Data Processing & Recording Module (DPRM) is the core of the Data Recording Unit (DRU). The DPRM are based on Powerful 32-bit Motorola Micro-controller QUICC based system. This is the main processor on which the application runs. It operates at 25 MHz. The module consists of on board memory of FLASH EPROM and Static...

Ground Replay Equipment is used for downloading the data from SSFDR and represent it in graphical and tabular form. It also carries Audio Analysis,Quick Analysis of data and Excel Generation of certain parameters and aids in monitoring the health of aircraft.

A Tool for discharging the Fire Extinguishant of Fire Extinguisher comprises a cylindrical shaped body made of Brass, with provision of outlet of Fire Extinguishant to cylinder. With the help of this discharging tool, the Fire Extinguishant available in the Fire Extinguisher can be safely transferred to the cylinder...

The glue filling apparatus is assembled structure of lever, cylinder, piston & nozzle which in combination act as a glue filling gun & provide glue through its nozzle on required test piece with high accuracy.

A passive fuel flow proportioner integrated in the fuel transfer system with multiple fuel tanks of different capacities, disposed at different locations away from aircraft center of gravity, which ensures continual and automatic fuel transfer from transferring tanks, the transfer rate commensurate with the fuel bur...

The present paper relates to Light Utility Helicopter (LUH) Main Gear Box (MGB) Load Test (LT) Automation Tool using GUI software which is user friendly and facilitates to acquire the data and control the parameters to simulate flight condition loads on helicopter Main Gear Box (MGB) during the testing of MGB on gro...

This invention relates to a fixture and more particularly to a fixture to hold a turning casting job in turning machine and supporting the length of the casting thereof while the casting job is being turned to a predetermined shape and size. It is an object of the present invention to provide a fixture for holding...

Interface Card contains Audio Board Interface Connector, Harvard Bi-phase Receiver circuit, RS-422 Channel. The Audio Module interfaced on the audio board interface connector. RS-422 channel is used for Replay & recording on PMM and it is controlled by Micro-controller. Apart from it, filtered inputs from Filter Pla...

This Safety Cap comprises a unitary shell made of a rigid, light weight and impact resistance plastic material and forming a dome shaped body to fit the Sensor"s head. A Thin parchment paper is placed in between the Sensor and the Safety Cap to provide frictionless non sticky intermediary. This Safety Cap ensures th...

ABSTRACT Shear pin of brake parachute system is a critical component for flight critical safety .It is a failsafe device. In the event, an excessive load is imposed upon the release mechanism after the parachute has been deployed, the shear pin located in the release mechanism should fail and instantaneously jettis...

ABSTRACT The spars used in the LCA-Tejas aircraft are fabricated by Composite Fiber carbon (CFC) material .pitch accuracy is required among the holes of the spars and Wing skin for carrying out riveting operation to assemble both spar and wing skin. Our invention describes the economical solution for this activity....

The manual optical bench Plate Assembly is a support assembly for holding the optical UUT (Unit Under Test) Stand and Light intensity measuring device support Stand together.

This invention relates to “Fixed Bed” for holding a work piece to measure Concentricity Error of “Equipped motor torque coil” with help of Horizontal Profile Projector. This bed securely locates (position in a specific location or orientation) and supports the work, ensuring that measurement made using this fixed b...

Abstract of the Invention Composites manufacturing involves usage of prepregs with vacuum bagging method and subsequent curing in autoclave. Getting composites parts cured in autoclave has influence on the structural performance. The cure cycle has a significant role in getting the defect free part. When the large ...

The disclosure relates to the method of recording and storing FDR health even in absence of digital data. The FDR has capability to record aircraft and audio data continuously. The FDR has different interface ports for communicating with one or more external aircraft instrumentation subsystems. The system includes...

Aircraft has various systems called as Line Replacable Unit (LRU). Each LRU has dedicated processor and conditioning modules to aquire and processes various signals in discrete, analog, frequency and digital formats.For these modules to communicate with each other a backplane is required. Due to compact space and ...

A Spring Testing Tool is a manually operating mechanical tool which is designed to be used for carrying out Load Test in compression for coiled springs.The measurement of axial deflection/compression of the spring is done by application of load and measurement of deflection directly on the graduated scale. Length of...

The utility model provides a RS422-RS232 communication interface conversion device.It comprises RS422 interface, relay unit and RS232 interface, which are in series connection.The relay unit includes transmission relay subunit and receiving relay subunit. The transmission relay subunit partially comprises optocouple...

Sleeve cutting apparatus is an assembly of bracket, handle, stopper, blade, spring, support & axle screw which in combination act as a sleeve cutting machine for different diameter of sleeves. Further, the said apparatus is able to adjust the length of sleeve according to use.

This invention relates to a drilling fixture for holding a component for drilling operation on drilling machine and thereby facilitating multiple holes in a component.  Object of the present invention is to provide a drilling fixture for holding a component and supporting the job thereof to maintain the precise d...

The disclosure relates to the method of providing the backup to embedded system for small time period. For providing power backup ,hold up capacitor is required along with appropriate resistance . The system also includes DC-DC converter for generating the different level of voltages. The whole combination is used f...

The said Interface device generates continuous high current condition. More specifically, it supplements standard function generators for high current requirements.

Flight Data Recorder/Cockpit Voice Recorder (FDR/CVR) is designed to record the aircraft vital parameters for investigation during crash. Nowadays the data recorders are being utilized for the purpose of health usage monitoring apart from the normal usage for crash investigation. This has resulted in more focus on t...

The Capacitor Discharge welding utilizes a bank of capacitors charged to a preset value and then discharged through Gold or silver coated relay. This expensive relay has very short life span. In present invention, this expensive and short life relay is replaced with cheap and reliable solid state thyristor with a mo...

Magnetization/Demagnetization Test Equipment (MAG/DMAG Test Set) is used for the magnetization and demagnetization of the screw used in the mechanical sensors like gyrometer, accelerometers and other sensor applications.

An aircraft houses number of Electrical, Avionics and Mechanical LRUs. These LRUs are scattered on aircraft at different locations and are interconnected with electrical cable harness. While routing and securing of harness on the aircraft, a sufficient length of harness is to be left unsecured (drip loop) length at ...

A special spanner, for rotating a fastener having circular head with two numbers of protrusions on the periphery thereof and method of making same is disclosed. The special spanner is provided including a handle and at least one end extent coupled to an end of the handle. The end extent of special spanner includes f...

An Improved System and Method for high speed serial communication for Airborne platform  based on FPGA based digital logic to communicate from one node to another node initiated by master to transmit and receive serial data to/from slave devices in Airborne LRUs. This invention relates to high speed serial transmis...

This is a Hybrid cPCI Flexi-Rigid Complex Backplane and Front Block PCB of avionics Computer application that comprises two segments. First segment is Backplane segment and second segment is the Front Block PCB segment for Circular Connectors. Both of these segments are connected flexi PCB. First segment of 20 l...

The present invention is method for simulation of the airborne Passive Electronically Scanned Array (PESA) Radar of advanced fighter aircraft. This present invention provides virtual operation of the PESA Radar in all operating modes, detection of echoes, establishing track on targets, simulates Radar performance un...

This invention provides an improved method for the computation of impact point by the Weapon Aiming System 100 for the accurate release of air to surface unguided weapon from higher altitudes taking into account the drift of weapon due to the effect of winds encountered by the weapon during its travel through its ba...

A typical trainer aircraft carries close to 5-10 training sorties each day. After each flight a turnaround inspection has to be carried out and also in case certain exceedances/ observations are given by flight crew, the same needs to be analyzed manually in detail using the aircraft SSFDR(Solid State Flight Data Re...

ABSTRACT In a tandem seat trainer aircraft, pupil pilot is stationed in front cockpit and the instructor pilot is stationed in rear cockpit. The pupil pilot to be trained to fly the aircraft in a scenario wherein the control and display units in front cockpit are failed in any order. A scheme has been evolved and p...

This invented valve finds its applicability as fuel pick-ups coming in fuel transfer circuit in the civil aircrafts and military aircrafts which are having non pressurised fuel tanks. A new, economical, reliable and simple "Fuel Pick-up valve" has been invented using simple ball-gravity principle to allow fuel trans...

Effective fuel system is invented to have reduced number of components and piping by introducing innovative components and ideas to reduce cost and weight of the system without sacrificing any of the operational and maintenance performances and emergency redundancies in meeting requirements for military trainer airc...

In normal battery installation Lifting of battery in to the tray and removal was very cumbersome due to its weight. Securing of battery also involves lot of parts, because of this lot of time is wasted during battery installation /removal from the aircraft. By using sliding tray, assembling of battery in to battery ...

Aircraft refueling on ground is carried out using internal battery. Switch provided in Ground refueling panel has two positions- GROUND and FLIGHT. When switch is selected to "GROUND" position, Relays in the circuit get energized and Battery supply reaches Ground refueling panel. This activates the command for refue...

High speed cameras are important flight test instrument that helps in capturing the trajectory and separation characteristics of weapons released from fighter/trainer aircraft. Till date, high speed cameras are mounted externally with the help of brackets that can cater to single high speed camera mounting. The UNI...

In Aircraft, weight off wheel (WOW) signal is being used by many systems viz. Flight Control System, Mission Computer, Armament System, Brake System, etc. In order to carry out weight off wheel checks on ground of any of the system above, it is necessary to jack up the a/c. This activity required 2-3 hours of work a...

The Emergency source of electrical power in any fighter aircraft is the Battery. Most of the fighter aircraft are using Nickel-Cadmium battery as the Emergency source due to its good electrical characteristics. The only disadvantage of the Nickel-Cadmium battery is the thermal run away when the battery is kept in fl...

Design improvement is a continuous process in an Aerospace industry. Any improvement to an existing design is carried out to reduce its complexity or to reduce the time for production or to reduce the cost without affecting the quality. In this connection, a Co-Cured composite part was identified for implementing t...

Airbrake control surfaces are most commonly found in high performance military aircrafts as well as civilian aircrafts. Airbrake control surface plays significant role in retarding the aircraft, particularly when high rate of descent is required and its proper position indication deserves equal significance. In s...

This invention provides an integrated system for uploading, downloading and health diagnostic for Avionics systems. This invention defines a simple protocol for uploading, downloading and health diagnostic of data, software components and test results from avionics system consisting of multiple single board computer...

Refer Figure 1 Figure 1 This invention presents a system that provides the facility to upload and download data for different Line Replaceable Units (LRU) (105, 106, 107. etc.) in an aircraft in a unified package. The traditional method has been to use dedicated ground servicing equipment for different LRUs for da...

An Improved System and Method for access arbitration based on FPGA based digital logic to allow one intelligent processor based master to read/write common devices in embedded computer from the two or competing processor based cards.. This invention relates to arbitration amongst two or more processor cards competi...

The invention relates to the computation of planned position of own aircraft and group member aircrafts during formation flight on their respective predetermined flight plans without using any Communication Link. The "Aircraft Position Computation System" (101) (Refer figure-1) computes the planned position of its...

The dynamically tuned gyroscope (DTG) is the most common two degree of freedom gyroscope it is widely used in modern compact gyroscope. Basically three types of coils are used in DTG Gyro first is Torquer coil, second Stator coil and third Pickoff coil. The process of increasing number of turn more than 416 in torqu...

A Break-in-Box/Break-Out-Box is used for checking the Inter Face between the unit and the vehicle inputs. This unit is required for initial calibration of all the parameters on the vehicle during installation.

The Present Invention is a Blanking Tool. Tool has a pair of Plates, one of which supports a Punch and the other has a mating Die cavity. This is the Process by which work piece are Manufactured very rapidly from sheet metal. Its importance as a Production process may be judged from the fact that the out put of a si...

This invention relates to a cutting tool and more particularly to a dinking tool for the manufacturing of fiber glass sheet based gasket. It is an object of the present invention to provide a cutting tool that has significantly reduced the time required for producing a gasket as compared to conventional methods of ...

Fixture for the holding and supporting the work piece during machining. The present invention relates work supporting device for machine tools. Fixture of the present invention has the unique feature of supporting and positioning of work piece with respect to Dialling face fixture. Proper holding of the work piece ...

The Present invention of Holding Fixture & Electrodes for Spot welding of Work pieces at a Particular accurate position. After spot welding assembly dimensional accuracy is achieved. The Electrodes also constructed to suit the fixture and locate at the position where spot welding on the Work pieces is required. work...

The Cockpit Voice & Flight Data Recorder (CVFDR) acquires data from cockpit voice, discrete inputs, ARINC 717 and ARINC 429 channels from aircraft. The acquired data is stored in Flash memory. The stored parameters in FLASH memory are milked out through Ethernet 10/100 port. These parameters are used for post flight...

Fixture is used for holding the PCB jointed with flexible cable having non rectangular or odd shape for prodction through SMT line. The Fixture comprises feature that are suitable to provide base support & alignment as per SMT line production requiremet.

The invention specifically comprises an improved extraction tool with few M-components where minimal force is required to extract the printed circuit board from the unit. The tool ensures availability of maximum space on the printed circuit board for mounting of electrical components.

LCA Tejas Aircraft consists of 2 Nos of Adapter Assemblies which are fabricated by welding operation and same will be fasten with Bottom Skin of Wing Assembly to transfer fuel from Drop tank to Wing Assembly. Welding of Adapter assemblies parts were made without any proper jig arrangement. Due to that misalignment o...

ABSTRACT This invention presents a system employing a novel method to find the accuracy of height data, obtained from Radio Altimeter using DGPS. The system consists of a Data analysis system, Radio altimeter unit and DGPS system (DGPS airborne system, DGPS ground system). DGPS system consists of a ground station ...

The external interface is a digital bridge between data processing device and synchronous dynamic memory. It accepts any general purpose memory control cycle and generates the digital fabric to access any synchronous dynamic memory device.

A sub plate for the use with a CNC milling machine. The sub plate is constructed of generally a rectangular block of carbon steel having a top surface, a bottom surface and a forward Dialling edge. The bottom surface of the block is positioned to rest on the bed of the milling machine whereas the forward dialling ed...

The present invention relates fabrication of various electrical and electronics checks and analysis points grouping, filtering on basis of nature of signal & length from connecting points and tightening in form of a template which is to be used as harness fabrication panel of various electronics modules for connecti...

The repeated Cockpit mapping is avoided by effective cooling of the cabin. Previously the external cooling air trolley was supplying cool air more to equipment bay then to cabin. Hence an arrangement to divert cool air directly to cabin was required. So an adaptor was designed and developed which can be coupled trol...

The present invention relates to a cost effective method of ground based object acquisition and tracking by the computer module from an aircraft using on-board inertial sensor (INS) for mission control operations or reconnaissance in the absence or failure of primary tracking systems. The present invention provides...

"Implementation of 6S audit for Light Combat Aircraft through Software" is user friendly, menu-driven software which can be used for calculations and storage and retrieval of 6-S audit scores. It helps to compute the 6-S audit report within a short time, avoid conflict between auditor and zone responsible person dur...

Dynamic generation of Analog,Discrete,Tacho & ARINC-429 parameters will be used to simulate the critical testing of the Solid State Flight Data Recorder. Already recorded sortie file will be converted into engineering data with the help of calibration applied to encode the various parameters during recording. Once e...