The present invention relates to an apparatus with a hydraulic system. The present invention also relates to an apparatus with a hydraulic system having the improved ride control system. More particularly, this present invention also relates to a method and apparatus for dampening the shocks in a construction ind...

A downstream flow hydraulic control system to control discharge flow of a variable displacement pump in earthmoving equipment is provided. In neutral condition, whole hydraulic fluid circulated through neutral channel and downstream pressure sensor observes high pressure across the hydraulic fluid line and sends out...

AN ATTACHMENT ASSEMBLY AND A METHOD OF GRIPPING AND LIFTING PIPE THEREOF FOR THE PICK AND CARRY CRANES An attachment assembly and a method of gripping and lifting pipe thereof for the pick and carry cranes comprising an attachment assembly working on the principle of balancing of centre of gravity, characteriz...

An automotive headlamp control and indication system for earthmoving or construction equipment comprises a headlamp switch, a programmable relay, a NO/NC relay, a display unit, a head lamp relay and head lamp, the system enables headlamps to remain on even after ignition switch of vehicle turns off based on operator...

An improved energy management and hydraulic control system in an earthmoving or construction equipment comprises a hydraulic fluid reservoir, primary hydraulic pump, auxiliary pump, pressure relief valve or hydraulic fluid control valve, hydraulic fluid pressure sensing unit, ECU, hydraulic fluid return line etc. Pr...

The spring based reducing valve is installed on the hydraulic fluid line or the neural channel between the upstream pressure sensor and the control valve. The reducing valve restricts an excess hydraulic flow to enter into the control valve. When the spool of the control valve starts moving then a work port of the c...

A self-adjusting oil strainer for an engine lubrication system comprising of a first plunger, a second plunger and a strainer inserted into a barrel and placed in a lubrication oil pan. One end of an oil pipe connected to a lubrication oil pump while other end is connected to the barrel. Multiple lubrication oil inp...

An improved combined charge pump comprises of (1) is Pump (2) is Steering Valve without Priority, (3) is Transmission Filter (4) is Main Shaft Lubrication orifice (5) is Main Line pressure maintenance valve (6) is Converter relief Valve (7) is Converter pressure maintenance valve, (8) is Torque Converter (9) is cool...

An improved drive line for pick and carry type cranes comprising the reduction gear box mounted in front of the rear axle and shaft 2 is completely eliminated and the input from the reduction gear box is put directly into the rear axle.

The present invention is relates to an anti-spill mechanism used to maintain material handled by a bucket in an earthmoving equipment. It includes connecting link rods (5 & 8), a rotating plate (11), a follower plate (10), a control lever (20), an engaging means (15). When bucket (1) scoop the material and loader ar...

An efficient power management system installed in an engine driven machine comprising of: ? At least one primary pump unit (6) for pumping hydraulic fluid from a hydraulic tank (9); ? At least one auxiliary pump unit (7) for pumping hydraulic fluid from the hydraulic tank (9); ? At least one internal combusti...

A loader-excavator for alternate use with a loader bucket in a loader mode and an excavator bucket in excavation mode, the loader-excavator comprising: a) a mobile frame powered for forward and rearward movement; b) a main boom connected to the frame at a first pivot for movement between a retracted position and a...

The present invention relates to an unique concept of rough terrain simulation on concrete test track especially for the variety of wheeled type off-road and construction machines with machine sizes ranging from smaller to larger having different tyre sizes and foot prints to provide a mean for accelerated validatio...

A linkage mechanism for a grapple attachment is disclosed. The grapple attachment includes an upper jaw 11 and a lower jaw 12 connected to each other with a connecting pin 12. The upper jaw 11 is mounted on the arm 19 of excavator with a pivot pin 14. The lower jaw 12 is connected to the hydraulic cylinder 18 with a...

A modified hydraulic control system to control discharge flow of a variable displacement pump in earthmoving equipment when electronic system get damaged or failed to work normally is provided. When the electrical system gets damaged then hydraulic pump automatically goes to full stroke. The present invention includ...

Improved suction strainer with detachable magnets the hydraulic fluid filtration system comprising the filter body (101) and the pocket (102) or housing to embed the magnetic bar inside it, and the instant system comprising three of such magnetic housings, the magnet bar (103) is inserted in the housing (102); these...

A GRAPPLE ATTACHMENT FOR GRABBING, HOLDING AND MANIPULATING AN ELONGATED OBJECT A grapple attachment for grabbing, holding and manipulating an elongated object is disclosed. The grapple attachment is provided with detachable and lockable pivot pins which further help to mount the grapple attachment on a vehicle. Th...

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ENGINE SHUT OFF SYSTEM AND METHOD THEREOF Engine shut off system and method thereof comprising an engine shut off/shut down/closing/turn down/switch off system (100) is configured to shut down the IC engine (105) when fuel level is low, engine shut down condition is achieved by de-energizing the Engine Shut-Of...

The present invention relates to a method for dampening the shocks with an apparatus having automatic ride control system. More particularly the present invention relates to an apparatus with a hydraulic system which have the improved ride control system. Still more particularly, this present invention also rela...

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APPARATUS WITH A HYDRAULIC SYSTEM HAVING IMPROVED RIDE CONTROL SYSTEM AND METHOD FOR DAMPENING THE SHOCKS USING PRESSURE SWITCH METHOD Apparatus with a hydraulic system having improved ride control system and method for dampening the shocks using pressure switch method comprises the ride control system soleno...

ENGINE RE-START PREVENTION SYSTEM AND METHOD THEREOF Engine re-start prevention system and method thereof comprising a system (100) that prevents engine starting when fuel level/supply is low, wherein, a neutral start relay/electrical switch (105) is de-energized when the fuel level/supply is low, the low leve...

The present invention is related to an operator control assembly for a backhoe loader to operate four services with only three spool loader valve. The three spool loader valve controls four different services of the machine. The first spool of the three spool control valve controls the hydraulic cylinder used for ri...

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Efficient Application of Time Division Multiple Access (TDMA) on RF Module using HT12E address lines Efficient application of Time Division Multiple Access (TDMA) on RF Module using HT12E address lines comprises of address lines of HT12E encoder connected to an RF transmitter, TDMA to the RF module and contro...

A smooth jerk-free improved lever operated steering system for a pick and carry crane wherein flow is controlled prior to the control valve increasing the efficiency of the hydraulic system by separating steering oil flow and facilitating the use of excess oil for other operation during steering. The steering syste...

AN EFFICIENT BOOM FOR PICK AND CARRY HYDRAULIC MOBILE CRANE An efficient boom for pick and carry hydraulic mobile crane comprises a boom assembly for pick and carry type mobile hydraulic crane, single profile plates with pivot holes fixed on a double plate mounted on front bottom of outer main boom of crane f...

An improved Compact Yoke Structure on Mobile Crane Machine An improved Compact Yoke Structure on Mobile Crane Machine comprises of steel profiled plates welded to form an integrated fabricated structure consisting of the top beam and four side members along with gussets to strengthen joints of top beam and sid...

REMOTE CONTROL VALVE LINKAGE MECHANISM FOR PICK & CARRY TYPE OF MOBILE HYDRAULIC CRANES Remote control valve linkage mechanism for pick & carry type of mobile hydraulic cranes mounting of hydraulic main control valve with its ports facing front of machine at central location on bulkhead area outside of operator ...

AN IMPROVED MODULAR GEAR SIDFT SYSTEM An improved modular gear shift system having electro-hydraulic controlled shift mechanism adapted for the effortless gear shifting in an earth moving machine like back hoe loader: said mechanism involving gear selection through electrical switch and programmed electronic c...

ENERGY EFFICIENT TWO SECTIONS /TWO DIFFERENTLY MOUNTED POSITIVE DISPLACEMENT PUMP AND HYDRAULIC SYSTEM Energy efficient two sections /two differently mounted positive displacement pump and hydraulic system having a control system which dumps the oil at low pressure in neutral circuit, which also by-passes the...

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AN IMPROVED ROPE ATTACHMENT ON EXTENSION BOOM FOR PICK AND CARRY TYPE CRANE An improved rope attachment on extension boom for pick and carry type crane attachment and routing arrangement related to a crane boom assembly comprising of a fixed outer boom with at least two or more extension booms, (a) the first ...

AN IMPROVED SUCTION STRAINER FITTED WITH MAGNETS TO CAPTURE THE FERROUSDIRT CONTAMINATION IN CONSTRUCTION INDUSTRY An improved suction strainer fitted with magnets to capture the ferrous dirt contamination in construction industry by providing a pocket formed by magnetic ring and non-magnetic washer, the said fi...

A NOVEL ADJUSTABLE JIB EXTENSION ATTACHMENT ON BOOM FOR PICK AND CARRY TYPE CRANE A adjustable jib extension attachment on boom for pick and carry type crane boom assembly comprising of a fixed outer boom and with at least one or more extension booms, the first extension boom being extended telescopically with...

IMPROVED CABIN VISIBILITY FOR PICK AND CARRY TYPE CRANE Improved cabin visibility for pick and carry type crane with a layout wherein the cab is located behind the boom mounting and front wheels, a mirror being placed inside the cabin on its left side suitably mounted on the bracket mounting and facing the winds...

AN IMPROVED TELESCOPIC BOOM ASSEMBLY FOR PICK AND CARRY TYPE CRANES An improved telescopic boom assembly for pick and carry type cranes comprising of a fixed outer boom and with at least one or more extension booms, wherein the first extension boom being extended telescopically by means of a hydraulic cylinder a...

Steering wheel assembly in a vibratory tandem compactor providing electronic circuit and computer code for controlling the steering wheel assembly, implementing the steering wheel assembly in a device, and operating the steering wheel assembly, the electronic circuit and the computer code, both stand alone and in co...

Drive Lever Mechanism in a Vibratory Tandem Compactor comprising GA drive lever, WA drive lever box, WA linkage, WA drive lever, WA box cover, spring, Clamping plate, Set screw M5x20, Bushing, sleeve M16X10, sleeve M12X10, Pivot pin, Washer plain M12, Nut M12 hex Self lock, Washer plain M16, Spring 28X12,2X1,5; Clam...

An improved hydrostatic parallel series propulsion system is combination of: (i)   parallel flow system used in work mode and attain gradeabilty at low speed; (iv)  series flow by switching the conversion valve for high speed travel applications characterized in that (1) is a piston pump, (2) is a parallel series ...

An automated piston ring installation system onto piston assembly comprises piston assembly loading station, sensing unit to measure piston diameter, pinion type pneumatic gripper, servo motor operated mandrel, sensing unit to identify piston ring diameter, control unit and piston assembly unloading station. Piston ...

An air pressure vent valve assembly for preventing increase of air pressure in an operator cabin or interior compartment of an automotive vehicle comprising a flap for opening and closing the valve assembly based on air pressure difference between the air pressure inside the operator cabin or interior compartment an...

Extensible Boom with Self Load Leveling on a Mobile Crane Machine Extensible Boom with Self Load Leveling on a Mobile Crane Machine provided at front end of the extension boom member wherein the hook block is suspended with pulley and rope starting from winch drum and then being routed to a tilt compensation p...

The present invention relates to 4 stage telescopic boom crane assembly with semi automatic quick open extension and modular assembly of 3 & 4 stage variant of crane boom.

A method for controlling an engine stall of a utility vehicle by self-regulating the hydraulic pressure of a travel pump, a vibration pump and an engine speed. The invention comprises three sensing units for estimating real time values of the engine speed, the vibration pump pressure and the travel pump pressure and...