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Method of manufacturing fuel cell based power generator
A method includes assembling a top portion of a proton exchange membrane fuel cell based power generator that includes an anode cover, fuel cell, top portion of...
Fuel cell based power generator
A power generator is formed with a container adapted to hold a hydrogen generating fuel. A valve assembly has a valve plate with a border less than a border of...
Luminaire having a two-way waveguide
A luminaire includes a waveguide having first and second opposing ends and first and second opposing sides between the first and second ends. The waveguide is...
Method for vertical takeoff from and landing on inclined surfaces
Takeoff and landing modes are added to a flight control system of a Vertical Take-Off and Landing (VTOL) Unmanned Air Vehicle (UAV). The takeoff and landing...
Ram door assemblies
A ram door assembly is provided for an intake opening of an intake duct of an auxiliary power unit of an aircraft. The ram door assembly includes a ram door...
AFT inlet duct mounted door actuator
An inlet door system including an aft inlet duct mounted door actuator providing RAM air to an auxiliary power unit (APU) contained within an aircraft is...
A pressure reducer for fluid lines, with a sealing piston (70, 110) as stop element, with an equalization piston (20a, 190) as a means for pressure...
Adaptive intelligent circulation control methods and systems
Adaptive intelligent circulation control methods and systems are used to help increase the comfort and/or reduce energy usage and equipment wear. In one...
Plunged hole arrangement for annular rich-quench-lean gas turbine
A combustor may include an outer liner having a first row and a second row of circumferentially distributed air admission holes. The second row of the outer...
System for enhancing a vehicle operator's orientation and ability to
A system for enhancing a vehicle operator's orientation and ability to navigate a vehicle includes, but is not limited to, a display unit, a data storage unit,...
System and method for displaying protected airspace associated with a
projected trajectory of aircraft in a...
A display system and method for a display, in real-time, of a confidence display, displaying the protected airspace associated with a projected trajectory of a...
Flare characterization and control system
A video analytics system for characterization of a flare. A video of a flare may be taken for obtaining information so as to appropriately control the flare in...
A sealing system includes two fittings, a compliant member, and a spring. The first fitting has two ends, a first cavity, and a first channel. The first channel...
Shapable resin compositions
The present invention provides processes for the extrusion of a shapable resin-containing composition as a foam, wherein said composition comprises at least one...
Time-delayed activation of zeolite heating
The invention relates to zeolite particles which are at least partially coated with a coating that is capable of delaying the release of heat from the zeolite...
Components, turbochargers, and methods of forming the components
Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is...
Compressor impellers, compressor sections including the compressor
impellers, and methods of manufacturing
Compressor impellers, compressor sections, and methods of manufacturing compressor impellers and cooling the compressor impellers are provided. In an...
Hybrid strut comprising metal and composite portions
A strut (18, 50) includes a fiber-reinforced, elongate composite body (36, 54) and has first and second ends and a metal and/or tubular support (20, 52) at...
Gimbal assembly including flexible substrate wiring harnesses
A gimbal assembly includes a gimbal mechanism, an electrical connector, and a flexible substrate. The gimbal mechanism is configured to rotate about a first...
External key to provide protection to devices
An external key device including a test access port connector adapted to mate with a test access port, a test equipment connector adapted to communicatively...
System, apparatus and method for granting access to a shared
Systems, apparatuses and methods for timing access to a shared communications bus by a plurality of devices. Each of a plurality of nodes is successively...
Ground proximity sensor
An unmanned aerial vehicle comprises a housing, a rotor that is rotated to propel the housing, a pressure sensor that generates a signal indicative of an air...
Regulation control for variable frequency generators
A variable frequency generator regulation control circuit and method for controlling open loop gain under changing generator speed conditions employing a high...
Active pilot inceptor with self warm-up
An active pilot inceptor system includes a pilot inceptor, a multi-phase motor, and a motor control. The pilot inceptor is configured to receive user input and...
Wound field electrical machine flat braided wire main rotor crossover
A high speed aircraft generator may utilize a prefabricated crossover subassembly to interconnect field coils. The crossover may include two attachment leads...
Sesquiterpene stabilized compositions
Provided is a composition comprising (a) at least one halogenated compound selected from the group consisting of C.sub.3-C.sub.5 hydrofluoroolefin, CF.sub.3I,...
Ballistic resistant composite article having improved matrix system
An impact resistant rigid composite article comprising a fibrous layer comprising a network of filaments dispersed in a rigid matrix comprising one or more...
Method and system for packaging and mounting surface acoustic wave sensor
elements to a flex plate
A method and system for packaging and mounting a sensor to a flex plate for use in sensing, for example, torque. In some instances, a SAW sense die can be...
Pocket for a pair of pants
Particulate matter sensor calibration
A system includes a filter, a sensor, a processor, and a memory. The filter can be coupled to an engine exhaust and can operate in an accumulating mode during...
Methods and systems for determining a received signal frequency
A system and method for determining a received signal frequency by sampling the received signal at a rate less than twice a predefined nyquist rate. The system...
Vehicle management system
A system for controlling a fleet of vehicles includes a plurality of detection units and a control unit. Each detection unit is configured to at least...
Hybrid topology ethernet architecture
A distributed control system comprises a first network section comprising one or more control nodes containing control logic operable to perform control...
A logarithmic amplifier produces a logarithmic output signal as a function of an input signal. The amplifier comprises a reference signal, first and second...
Discrete stress isolator attachment structures for MEMS sensor packages
A discrete stress isolation apparatus for a Micro Electro-Mechanical System (MEMS) inertial sensor device having a mechanism die and a package. A capacitive...
Hydrogenation process for fluorocarbons
Disclosed is a process and apparatus for the catalytic hydrogenation of fluoroolefins to fluorocarbons where the reaction is carried out in a multi-tube shell...
Gas analyzer cassette system
A highly sensitive fluid composition analyzer where a fluid may be placed in contact with a very small area on a material sensitized to change color in the...
Dual mode compensation for variable displacement pump fluid metering
A system and method is provided for controlling a variable displacement piston pump that supplies fluid to one or more loads. If fluid is being supplied through...
Hybrid power for ducted fan unmanned aerial systems
A propulsion system for a vertical take-off and landing ducted fan aerial vehicle is provided, the propulsion system comprising an internal combustion engine,...
Torque pads for aircraft brake systems and aircraft brake system including
An aircraft brake system (42) includes a torque tube (44), a plurality of spaced stators (48) mounted on the torque tube (44), a wheel (40) surrounding the...
Rotor assembly including strain relief feature
A rotor assembly is provided for deployment within the inner gimbal assembly of a control moment gyroscope (CMG). In one embodiment, the rotor assembly includes...
Quench jet arrangement for annular rich-quench-lean gas turbine combustors
An outer liner of a combustor of a gas turbine engine includes a plurality of liner regions arranged adjacent one another and separated by boundary lines; and a...
Transition scrolls for use in turbine engine assemblies
An engine assembly includes a combustor having a combustion chamber in which an air and fuel mixture is combusted to produce combustion gases. The engine...
Hybrid electrical/mechanical turbine engine fuel supply system
A turbine engine fuel supply system includes a priority flow line, a plurality of secondary fuel loads, an electric fuel metering pump, and a ...
Systems and methods for event based execution of fieldbus process control
Systems (200, 230, 240) and methods (400) for event based execution of a Fieldbus process control strategy (FPCS) for simulation of an industrial process at...
Method and apparatus for improving pilot situational awareness during
flare to touchdown
A system and method for selectively alerting a pilot of an aircraft about distance remaining to the end of a runway. A position of the aircraft is received. A...
Method and apparatus for data download from a mobile vehicle
A method and apparatus are provided for autonomous data download. The method includes the steps of navigating an autonomous data download device to a first data...
Method for mitigating negative sequence effect resulting from
non-symmetrical short circuit failure of...
A drive system for a multi-phase electric machine with a permanent magnet rotor, the drive system may comprise conduction paths for each phase. Detectors on...
System for establishing references for multi-image stitching
An imaging system for generating multiple images includes a first imaging device and a second imaging device. The first imaging device includes a sensor and has...
Motor current based air circuit obstruction detection
A method for determining an obstruction in an air circuit, the air circuit having a fan and a motor that drives the fan, includes the steps of obtaining a load...