A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan section including a fan rotatable about an axis and a speed reduction device in communication with the fan. The speed reduction device includes a planetary fan drive gear system with a planet gear ...

An integrated system for monitoring a deployed product on a movable platform, gathering data about the deployed product, and disseminating the data about the deployed product is disclosed. The system includes a server located on the movable platform capable of communication with the server from a remote location. Th...

The system (10) controls at least one of a pressure of the reactant streams (16A 16B) within at least one of an anode flow field (28) and a cathode flow field (36) a flow rate of the reactant streams (16A 16B) flowing through the anode and/or cathode flow fields (26 28) a temperature of a coolant fluid passing throu...

AN ELECTRODE FOR AN ELECTROCHEMICAL CELL INCLUDES PLATINUM CATALYSTS CARBON SUPPORT PARTICLES AND AN IONOMER. THE CARBON SUPPORT PARTICLES SUPPORT THE PLATINUM CATALYSTS AND THE IONOMER CONNECTS THE PLATINUM CATALYSTS. THE ELECTRODE HAS A PLATINUM LOADING LESS THAN ABOUT 0.2 MG/CM AND AN IONOMER TO CARBON RATIO BETW...

o & o A fuel system includes a fuel deoxygenator for removing oxygen from a liquid fuel. A vaporizer is in fluid communication with the fuel deoxygenator. The vaporizer vaporizes at least a portion of the liquid fuel to produce vaporized fuel. At least a portion of the vaporized fuel pre-mixes with oxidizer t...

A method of manufacturing a plate for a fuel cell includes the steps of providing flow channels in a fuel cell plate. Multiple fuel cell plates are joined into a cell stack assembly. A blocking plate is affixed to the fuel cell plate and at least partially obstructs the flow channels. The blocking plate is affixed t...

A fuel cell includes first and second flow field plates and an anode electrode and a cathode electrode between the flow field plates. A polymer electrolyte membrane (PEM) is arranged between the electrodes. At least one of the flow field plates influences at least in part an in plane anisotropic physical condition o...

A turbine engine resonator comprising a panel and a vessel. The panel is along a flow path within the engine and has an aperture. The vessel has a mounting flange secured to the panel.The flange has an aperture mated to the aperture of the panel. The vessel has a body secured to the mounting flange with an interior ...

A GAS TURBINE ENGINE INCLUDES A FLEX MOUNT FOR A FAN DRIVE GEAR SYSTEM. A VERY HIGH SPEED FAN DRIVE TURBINE DRIVES THE FAN DRIVE GEAR SYSTEM.

A gas turbine engine includes a flex mount for a Fan Drive Gear System defined by a lateral and transverse stiffness relationship. Epicyclic gearboxes with planetary or star gear trains may be used in gas turbine engines for their compact designs and efficient high gear reduction capabilities. Planetary and star gea...

A flow battery includes an electrochemical cell that has a first electrode, a second electrode spaced apart from the first electrode, and a separator layer arranged between the first electrode and the second electrode. The separator layer is formed of a polymer that has a polymer backbone with cyclic groups that ...

A gas turbine engine according to an exemplary aspect of the present disclosure includes a gear train defined along an engine centeriine axis and a spool along said engine centeriine axis which drives the gear train the spool includes a low stage count low pressure turbine. In a further non limiting embodiment of an...

A fan drive gear system for a gas turbine engine includes a gear system that provides a speed reduction between a fan drive turbine and a fan and a mount flexibly supporting portions of the gear system. A lubrication system supporting the fan drive gear system provides lubricant to the gear system and removes therma...

A gas turbine engine includes a fan section a gear arrangement configured to drive the fan section a compressor section and a turbine section. The compressor section includes a low pressure compressor section and a high pressure compressor section. The turbine section is configured to drive compressor section and th...

A gas turbine engine according to an exemplary aspect of the present disclosure includes among other things a fan section including a fan rotatable about an axis and a speed reduction device in communication with the fan. The speed reduction device includes a star drive gear system with a star gear ratio of at least...

An exemplary method includes of operating a fuel cell at a first power output level that includes a plurality of operation parameters. Each operation parameter has a value to satisfy a first power demand. A change between the first power demand and a second power demand is determined. At least a first one of the ope...

An electrochemical device includes a plurality of electrode assemblies that define a plurality of electrochemically active areas. A non- electrically conductive manifold includes a common manifold passage and a plurality of branch passages that extend , respectively ,between the electrochemically active areas and th...

A flow battery includes at least one cell that has a first electrode , a second electrode spaced apart from the first electrode and an electrolyte separator layer that is arranged between the first electrode and the second electrode. A storage portion is fluidly connected with the at least one cell. At least one liq...

A flow battery includes a first liquid-porous electrode, a second liquid-porous electrode spaced apart from the first liquid-porous electrode, and an ion-exchange membrane arranged between the first liquid-porous electrode and the second liquid-porous electrode. First and second flow fields are adjacent to the respe...

A geared architecture with a flex mount for a Fan Drive Gear System defined by a transverse stiffness relatonship.

A power balancing assembly according to an exemplary aspect of the present disclosure includes among other things at least one sensor operable to detect a first electrical parameter and a second electrical parameter relating to a first portion of a power grid. An energy storage device is coupled to a second portion ...

A fan drive gear system for a gas turbine engine includes a gear system that provides a speed reduction between a fan drive turbine and a fan and a mount flexibly supporting portions of the gear system. A lubrication system supporting the fan drive gear system provides lubricant to the gear system and removes the...

A flow battery includes a membrane having a thickness of less than approximately one hundred twenty five micrometers; and a solution having a reversible redox couple reactant, wherein the solution wets the membrane.

A method of forming a catalyst material includes coating agglomerates of catalyst support particles with an ionomer material. After coating the agglomerates of catalyst support particles a catalyst metal precursor is deposited by chemical infiltration onto peripheral surfaces of the agglomerates of catalyst support ...

A flow battery includes a cell that has a first electrode , a second electrode spaced apart from the first electrode and an electrolyte separator layer arranged between the first electrode and the second electrode. A supply/storage system is external of the at least one cell and includes first and second vessels tha...

A method is provided for mitigating hydrogen evolution within a flow battery system that includes a plurality of flow battery cells, a power converter and an electrochemical cell. The method includes providing hydrogen generated by the hydrogen evolution within the flow battery system to the electrochemical cell. ...

A flow battery includes an electrode operable to be wet by a solution having a reversible redox couple reactant. In one embodiment the electrode can have plurality of micro and macro pores wherein the macro pores have a size at least one order of magnitude greater than a size of the micro pores. In another embodimen...

The invention validates propulsion data used in engine performance diagnostics based on heuristic knowledge of the physical relationships between engine parameters. The method identifies data anomalies, reduces overall scatter, and allows for the detection of true engine fault events. The method uses persistency to ...

A bearing plate assembly for a turbine engine fuel injector includes a bearing plate 30, with an opening 80 bordered by a race 82. A swivel ball 90 nests inside the race and is rotatable relative thereto. A lock, which may be a tip bushing 108 resists disengagement of the swivel ball from the race. A fuel inje...

An outer seal assembly of a turbine rotor stage is secured within a circumferential groove of the turbine casing in such a manner as to both fix the outer seal assembly in its installed position and also provide for sealing around its outer periphery so as to thereby prevent the leakage of cooling air therearou...

A tangential entry premixing fuel injector (10) for a gas turbine engine combustor includes a pair of offset scrolls (18) whose ends define a pair of entry slots (36) for admitting primary combustion air tangentially into a mixing chamber (28) bounded by the scrolls (18) and by longitudinally spaced endplates (14, 1...

A corrosion resistant article includes an aluminum substrate having greater than 0.25 wt% zinc, and a protective coating on the aluminum substrate. The protective coating includes a non-tungstate anodic corrosion inhibitor and a cathodic corrosion inhibitor.

A common database is used to store data relating to both three-dimensional graphics models and logistical management information for a part. A selected customer standard dictates the data input and output from the database. The database can be used to create three-dimensional simulations and link text from the logis...

A turbine blade damper seal assembly includes a seal and a damper that both abut a radially outermost non-gas path surface. The seal is fabricated from a plastically deformable material and nests within a recess of the damper. The damper is fabricated from a rigid material that absorbs vibrational energy generated d...

An end-user keyword claiming search of electronic content stored within a distributed system is performed by allowing end-users within the distributed system to claim keywords and assodate content with the claimed keywords (12-20). A keyword search matching a claimed keyword results in content associated with the cl...

A two-phased search of electronic content stored within a computer system or network Is performed by recognizing patterns within the search terms provided by a user in a first phase (14). Based on recognized patterns within the search terms, specific sub-collections are selected (20) for searching. The selected sub-...

Putty-like gap-filling compounds for insulation that can be utilized at temperatures from about -420°F (-250°C) up to about 500°F (260°C) are described herein. Embodiments of these compounds contain about 25-50 volume percent base material, about 50-75 volume percent microspheres, and about 0.1-0.3 volume percent ca...

An exhaust nozzle assembly provides fluidic thrust vectoring of the primary stream to enhance aircraft maneuverability. The exhaust nozzle assembly includes a cooling air passage that supplies cooling air to a plurality of cooling holes that generate an insulating layer of air. A vector slot injects cooling a...

A process and a system for delivering a propellant combination to a rocket engine is described. The process comprises the steps of providing a flow of a hydrocarbon propellant fuel, raising the pressure of the hydrocarbon propellant fuel, cracking the hydrocarbon propellant fuel in a cracker, introducing the cracked...

A gas turbine engine swirler/nozzle apparatus has a swirler having a central axis and a nozzle. The nozzle has an outlet end with a plurality of outlets about said axis and having an asymmetry about said axis. The apparatus may be formed as a reengineering of a baseline apparatus having a symmetric nozzle. ...

A fluid mixer for mixing two fluid streams 40, 42 includes a set of main lobes 26 defining alternating primary and secondary main chutes 30, 32, one or more auxiliary lobes 28 intermediate two of the main lobes, and an auxiliary fluid capture duct 62. The auxiliary lobes are defined, at least in part, by the dischar...

A variable vane assembly includes a sync ring mechanism for synchronously rotating an array of variable vanes. The variable vane assembly comprises a drive vane, a synch ring, a vane arm and a plurality of follower vanes and follower arms. An inner diameter end of the drive vane rotates in an inner diameter vane shr...

A variable vane actuation mechanism is comprised of a first drive vane arm and a second drive vane arm for driving a first variable vane array and a second variable vane array, respectively, of a stator vane section of a gas turbine engine, The first drive vane arm and second drive vane arm are connected to each ...

The present invention comprises an inner diameter vane shroud that accommodates a mechanism for synchronously rotating an array of varir.ble vanes. Particularly, the invention comprises an inner diameter vane shroud 'iat has a gear channel that runs circumferentially through the vane shroud. An array of variable ...

An inner diameter vane shroud for use in a gas turbine engine is comprised of lightweight cast forward and aft shroud components. The forward and aft shroud components are made with an investment casting technique that creates a hollow cavity that runs in a circumferential direction through each component. Th...

A method of operating an organic rankinc cycle system wherein a liquid refrigerant is circulated to an evaporator where heat is introduced to the refrigerant to convert il to vapor. The vapor is then passed through a turbine, wiih the resulting cooled vapor then passing through a condenser for condensing the vapor t...

A nozzle system includes a multitude of circumferentially distributed convergent flaps, divergent flaps and inter-flap seals which circumscribe an engine centerline and define the radial outer boundary of an exhaust gas path. Each divergent flap includes longitudinal sides having a set of extension which are l...

A web based data collaboration tool includes a dynamic international collaborative environment in which system partners, including customers, technology partners and suppliers, can exchange information between one another in a truly collaborative environment. The web based data collaboration tool includes unique "fi...

A cooling liner having a liner hot sheet formed as a relatively thick iso-grid structure having iso-grid ribs, which extend from a surface between the ribs. A multitude of metering sheets are mounted directly to the liner hot sheet surface. Each metering sheet is mounted to the iso-grid to define a multitude ...

A gas turbine engine generally includes a compressor, a combustor, and a turbine. The turbine can include an integrated manifold comprising a plenum defined by a manifold disposed in connection with a divider plate and opposite a shielding plate comprising a plurality of apertures. The integrated manifold also inclu...

A method for repairing a turbine engine component is provided. The method broadly comprises the steps of providing a turbine engine component having an airfoil portion, applying a coating to the airfoil portion, and restoring a tip portion, a chord, and surfaces of the airfoil portion to original dimensions in a sin...

An isolation method and system is described for distinguishing between turbine case cooling (TCC) and high pressure turbine (HPT) performance faults. A trend is observed in gas path parameter data during cruise and a resulting percent Δ signature across the shift in the gas path parameters is assignable to eith...

A two-axis solar tracker is capable of withstanding extreme weather conditions. The solar tracker includes a solar array, a frame, a base, a pivot frame, and a first and second actuator. The solar array is mounted to the frame and captures sunlight. The base is pivotally connected to the frame and defines a pivot ax...

A nozzle system includes a multitude of circumferentially distributed divergent seals that circumscribe an engine centerline. Each divergent seal includes an interface between a forward seal bridge bracket and an aft seal bridge bracket with a forward bridge support and an aft bridge support which provides axial and...

An impeller includes first and second impeller portions that are secured to" one another. An interior cavity is formed between the first and second portions. The first impeller portion supports multiple blades. The first and second impeller portions respectively include first and second surfaces that are secured to ...

A thermally managed solar cell system (10a, 10b, 10c, 10d) includes a photovoltaic cell (12, 102a, 102b, 202a, 202b) for generating electricity and heat. The system (10a, 10b, 10c, 10d) includes a housing (16), a base (18), and a heat removal device (20, 36, 40, 44, 100, 200, 300). The housing (16) surrounds the sol...

A system (10, 10), program instructions or method for maintaining a deployed product (30, 20) having at least one component, as well as training of the maintenance workers, is provided. The system (10, 10) has a microserver (30, 300, a sensor and an electronic device (40,40). The microserver (30,30) is integral wit...

The present invention relates to an integrated system (10) for monitoring a deployed product on a movable platform (14), gathering data about the deployed product, and disseminating the data about the deployed product. The system (10) comprises a server (12) located on the movable platform (14) capable of commun...

An apparatus is provided for cleaning one or more surfaces within a vessel having a vessel wall separating a vessel exterior from a vessel interior and having a wall aperture. The apparatus has at least one elongate conduit having an upstream first end and a downstream second end and positioned to direct a Shockw...

A coating composition includes a conductive polymer including at least one of the following: a single conductive polymer, a dual strand conductive polymer, a combination of a single conductive polymer and a dual strand conductive polymer or an organic-inorganic hybrid composite.

A method and system is described that estimates gas turbine engine module performance changes from gas path measurement data using a linear predictor-corrector estimation process. A measurement configuration matrix Mc and a fault configuration Fc matrix are assembled. The configuration matrices Mc and Fc are us...

A method and control for predicting the remaining useful life of an airfoil for a gas turbine engine includes the steps of monitoring conditions of the blade such as flutter, leaning, etc. A measured amount of deflection of the airfoil is compared to tabulated data to predict an expected crack length which is likely...

A cooling passageway for use in an airfoil portion of a turbine engine component having a pressure side wall and a suction side wall is provided. The cooling passageway comprises a serpentine flow passageway through which a cooling fluid flows. The passageway has an inlet through which cooling fluid is introduced in...

A compressor disk for a turbine engine include blades mounted about the circumference. To assemble the blades onto the disk a lock assembly is inserted within a blade slot on the disk. A blade is assembled into the blade slot and sliders seals are inserted between the blade and the disk to limit air from entering th...

A gasifier injection module includes a two-stage slurry splitter and an injector face plate with a coolant system incorporated therein. The two-stage slurry splitter includes a main cavity into which a main slurry flow is provided. The main cavity includes a plurality of first stage flow dividers that divide the mai...

An integrated system for monitoring a deployed product on a movable platform, gathering data about the deployed product, and disseminating the data about the deployed product is disclosed. The system includes a server located on the movable platform capable of communication with the server from a remote location. ...

An inner diameter vane shroud of a variable vane assembly accommodates a synchronization mechanism for coordinating rotation of an array of variable vanes. The inner diameter vane shroud has a gear track that runs circumferentially through the vane shroud. An array of variable vanes is rotatably mounted in the vane ...

A split shroud system for a gas turbine engine having a pair of annular-shaped shrouds that each have an inner pocket; to form a pair of inner pockets. Each of the pair of pockets having liner parts that form a circle. Liner parts of one of the pair of pockets facing liner parts of the other of the pair of pockets t...

An active noise (or vibration) control system having an actuator 24 which provides an acoustic anti-noise signal in response to an drive signal (U), an error sensor 16 which senses the acoustic anti-noise signal from the actuator/ senses disturbance noise (d), and provides an error signal (e) indicative of a combi...

The invention is a tangential entry, premixing fuel injector (10) for the combustion chamber (30) of a turbine engine. The injector includes a pair of arcuate scrolls (18) defining the radially outer boundary of a mixing chamber (28) and a pair of air entry slots (36) for admitting a stream of primary combustion air...

A premixing fuel injector for an industrial gas turbine engine includes an axially extending centerbody (58) and a pair of radially offset scrolls (18) bounding a mixing chamber (24). The leading end (28) of each scroll cooperates with the trailing end (34) of the neighboring scroll to define an intake slot (42) for...

A tangential entry premixing fuel injector (10) for a gas turbine engine combustor includes a pair of offset scrolls (18) whose ends define a pair of entry slots (36) for admitting primary combustion air tangentially into a mixing chamber (28) bounded by the scrolls (18) and by longitudinally spaced endplates (14...

A method for manufacturing solid rocket motors comprises placing a mandrel (24) having at least one collapsible solid slot former (22) positioned thereon substantially centrally along the axis of a rocket case (18), casting uncured solid rocket propellant about the mandrel (24) and the collapsible solid slot former ...

ABSTRACT A premixing fuel injector for a turbine engine includes easily replaceable means for monitoring temperature or other conditions of interest in the interior of the injector. The fuel injector includes a guide conduit (70) that penetrates into the injector"s interior and has an externally accessible opening ...

A method of managing contrail formation of a gas turbine engine includes delivering an ultra-low sulfur fuel to a combustor of a gas turbine engine to limit an amount of sulfur byproduct produced in an exhaust of the gas turbine engine.

A supported catalyst is prepared by a process that includes establishing shell-removal conditions for a supported catalyst intermediate that includes capped nanoparticles of a catalyst material dispersed on a carbon support. The capped nanoparticles each include a platinum alloy core capped in an organic shell. The ...

A geared architecture with a flex mount for a Fan Drive Gear System defined by a lateral stiffness relatonship

The burning of fuel (e.g., coal) in industrial equipment generates an exhaust flow containing airborne particulate. The flow is passed through a rotary heat exchanger to preheat inlet air. The heat exchanger element is subject to fouling and is cleaned by a pulsed combustion device. The device is operated by introd...

An exit guide vane array for a turbine engine includes a set of guide vanes 28 having a solidity and defining fluid flow passages 74 with a chordwisely converging forward portion 80. The high solidity and convergent passage portion 80 resist fluid separation. The vanes may also cooperate with each other to restrict ...

A fuel cell system includes a fuel cell stack having an anode plate and a cathode plate arranged on opposing sides of a proton exchange membrane. Cooling channels are in thermal contact with at least one of the anode plate and the cathode plate and include an internal coolant passage. A pressure drop device is provi...

A modular fan inlet ice protection system includes a center ring, an outer ring and a plurality of struts. The struts are each coupled at a first end to the center ring, and at a second end to the outer ring. A plurality of shell members are each configured to be removably coupled to a corresponding strut. Moreover,...

The invention is a system and method for synchronizing an induction machine to an electrical grid (170). The em aodiment dcscribed is an ORC power plant having a motor-generator (150) in mechanical communication with a turbine (140). The motor-gcnerator (150) is operated with open windings (o.g., freewheeling) by d...

A high-lift airfoil embodying a combination of loading conventions in a single design specifically to reduce and control total pressure losses that occur in the flow channels between airfoils employed in turbomachinery applications is disclosed herein. The mixed-loading high-lift airfoil designs embody and exhibit t...

The burning of fuel(e.g.,coal)generates an exhaust flow containing particles. The flow is passed through a pulsed combustion agglomerator. The agglomerator is cyclically operated by introducing a fuel and oxidizer charge to at least one conduit,initiating combustion of the charge. The combustion generates a shock wa...

A flow battery includes at least one electrochemical cell that has a first electrode a second electrode spaced apart from the first electrode and a separator arranged between the first electrode and the second electrode. A first storage portion and a second storage portion are respectively fluidly connected with the...

An example system water balancing method includes exhausting water vapor from a system and varying the exhaust in a response to an amount of water available for use by the system.

A flow battery includes a liquid electrolyte that has an electrochemically active specie and a bipolar plate that has channels for receiving flow of the liquid electrolyte. A porous electrode is arranged immediately adjacent the bipolar plate. The porous electrode is catalytically active with regard to the liquid el...

A method for removing a surfactant from a palladium nanoparticle includes exposing the palladium nanoparticle to hydrogen and removing the surfactant from the palladium nanoparticle. A method includes synthesizing a palladium nanoparticle us ing a surfactant. The surfactant influences a geometric property of the p...

A gas turbine engine is utilized in combination with a gear reduction to reduce the speed of a fan relative to a low pressure turbine speed. The gas turbine engine is designed such that a blade count in the low pressure turbine multiplied by the speed of the low pressure turbine will result in operational noise that...

A flow battery includes a liquid electrolyte having an electrochemically active specie. A flow field plate includes a first flow field channel and a second flow field channel that is separated from the first flow field channel by a rib. There is a flow path for the liquid electrolyte to flow over the rib between the...

A method of maintaining health of a flow battery includes determining an average oxidation state of a common electrochemically active elemental specie in first and second fluid electrolytes on respectively a positive side and a negative side of an electrochemical cell of a flow battery and adjusting the average oxid...

A substrate includes a metal diamond-like-carbon coating composed of a first layer and second layer deposited thereupon and having a thickness of about 0.5 micrometer to 10 micrometers. The first layer is composed of a transition metal and includes a first surface and a second surface in contact with the substrate. ...

A composite vessel assembly includes a circumferentially continuous wall and an end cap. The wall includes a plurality of layers, and the end cap includes a plurality of steps. Each step of the plurality of steps is engaged to a respective layer of the plurality of layers.

A non-carcinogenic corrosion inhibiting additive includes an anodic corrosion inhibitor and a cathodic corrosioninhibitor.

The present invention discloses a method formodeling engine operation comprising the steps of: inputtinga first plurality of sensory data from a gas turbine engineinto a computer; partitioning a flight envelope into aplurality of sub-regions according to the steps of:

The present invention relates to an integrated system (10) for monitoring a deployed product on a movable platform (14), gathering data about the deployed product, and disseminating the data about the deployed product. The system (10) comprises a server (12) located on the movable platform (14) capable of co...