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Methods and systems for controlling a height of munition detonation
A unit is described that is configured to control detonation of a munition such that the munition is detonated at a desired altitude. The unit includes a radar...
Aircraft autorecovery systems and methods
Methods and systems for performing auto-recovery for an aircraft. An example system includes position and information systems, an automatic flight control...
Display methodology for encoding simultaneous absolute and relative
altitude terrain data
A display control device, having a processor structured for receiving terrain elevation information and samples of current position and altitude above ground...
Azeotrope-like compositions of tetrafluoropropene and pentafluoropropene
Provided are azeotrope-like compositions comprising tetrafluoropropene and pentafluoropropene and uses thereof, including use in refrigerant compositions,...
Sliding vane turbocharger with graduated vanes
A turbocharger having a variable geometry turbine inlet incorporating a cylindrical piston movable to vary the area of the inlet nozzle into the turbine. Vanes...
Hoop stress relief mechanism for gas turbine engines
A hoop stress relief mechanism is disclosed for use on a rotary body to relieve stress caused by both thermal and centrifugal forces. The mechanism may consist...
Turbomachine compressor scroll with load-carrying inlet vanes
A compressor scroll housing for use in conjunction with turbo-machinery, particularly applicable in aircraft. The scroll housing can include a plurality of...
Fluidic pulse generator system
A fluidic pulse generator system includes two fluidic diverter valves that are both controlled by a single fluidic pilot valve. The fluidic pilot valve and the...
Brake handle with integral position sensing switch
A brake handle for a train or other vehicle has a grip that may be grasped by a human operator, a shaft that is fastened to the grip, a hub that is fastened to...
Disposable fluid flow sensor
A disposable fluid flow sensor is disclosed herein, which generally includes a flow channel assembly comprising a flow channel tube in association with a...
Gas turbine engine electromechanical variable inlet guide vane actuation
An electromechanical inlet guide vane actuation system includes one or more electric motor driven actuators that are used to appropriately position the inlet...
Trainable, extensible, automated data-to-knowledge translator
A trainable, extensible, automated data-to-knowledge translator is described. One aspects of the present invention includes a computerized system having at least...
Principal component analysis based fault classification
Principal Component Analysis (PCA) is used to model a process, and clustering techniques are used to group excursions representative of events based on sensor...
Architectures of sensor networks for biological and chemical agent
detection and identification
A sensor network provides the ability to detect, classify and identify a diverse range of agents over a large area, such as a geographical region or building....
Security system with telephone controller
A combination telephone set (such as a cordless phone) and security system control device that has a first interface means for interfacing the control device...
Wavelength division multiplexing coupling device
An exemplary WDM coupling device may include optical fibers. The coupling device may also include region(s) having varying coefficients of thermal expansion....
Electromagnetic interference filter for an autotransformer
A filter system for attenuating electromagnetic interference (EMI) of an autotransformer-based rectification system that utilizes the leakage inductance of the...
Environmentally tuned circuit card assembly and method for manufacturing
A circuit card assembly and a method for manufacturing the circuit card assembly are disclosed. The circuit card assembly includes a printed wiring board with...
AC generator exciter rotor slip-ring test apparatus
A test apparatus assembly is provided for testing an AC generator having an exciter rotor mounted to a shaft. The apparatus includes an annular end bell, a...
Vertical die chip-on-board
Methods and apparatus for vertical chip-on-board sensor packages can comprise a vertical sensor circuit component comprising a first face, a second face, a...
Speed sensor for a power sensor module
A power sensor module suitable for automotive and other high volume applications combines speed sensing and torque sensing operations into a single unit. A...
Laser welding heat treat process
A method for providing a pre-welding heat treatment to a workpiece surface is described wherein the method includes the steps of: generating through a laser...
Performance and durability improvement in compressor structure design
An integral assembly that may improve control over thermal and mechanical behaviors of assembly structures during various transient operation conditions is...
Over center high deflection pressure energizing low leakage seal
A low leakage seal for separating two environments and contacting a component surface is provided. The seal includes a base and an annular rib. The annular rib...
Method and system for decoupling structural modes to provide consistent
control system performance
A method and system for calculating a control function for a structural system (10) that can be used to determine an appropriate control force to apply to an...
Aircraft brake actuator thermal insulator and tangential movement
An aircraft brake actuation system includes an actuator for selectively moving to a position that corresponds to a commanded brake force. A cap assembly is...
Lounge valve mounting housing and assembly
The present invention provides a lounge valve mounting housing and assembly. The housing and assembly are useful for directing air through ducts, and...
Fluidic diverter valve with a non-spherical shuttle element
A fluidic diverter valve for use in flight control systems that includes a non-spherical shuttle element disposed within a cavity formed in the valve housing. In...
Multi-action on multi-surface seal with turbine scroll retention method in
gas turbine engine
A gas turbine engine comprises a turbine scroll inside a combustor housing, discouragers with 90-degree bending angles, a radial nozzle contacting a forward...
Thrust reverser system electro-mechanical brake manual release mechanism
A manual release mechanism for a thrust reverser actuation system electromechanical brake includes a first release plate, a second release plate, at least two...
Flow divider and ecology valve
A fuel flow dividing ecology valve conveys fuel from a fuel source to at least a secondary gas turbine engine intake manifold during engine operation and...
Gas turbine engine including a low pressure sump seal buffer source and
thermally isolated sump
A gas turbine engine is configured to use relatively cool, low pressure air discharged from a low pressure compressor to supply buffer air to lubrication sump...
Signal validation and arbitration system and method
A common design framework for input and output signal validation, arbitration, and fault reporting for real-time controllers includes a method of validating...
High temperature resonant transmission line sensor and methods
A position sensing system uses a resonant transmission line having a moveable dielectric as a position sensor. The system includes circuitry that supplies a...
Method and system for the sound triggered disarming of a security system
The present invention relates to a system and method for the deactivation of an alarm system situated within a home or business environment by the use of a...
System having unmodulated flux locked loop for measuring magnetic fields
A system (10) for measuring magnetic fields, wherein the system (10) comprises an unmodulated or direct-feedback flux locked loop (12) connected by first and...
Method of making 1,1,3,3,3-pentafluoropropene
The invention provides an economic process for the manufacture of the hydrofluorocarbon 1,1,3,3,3-pentafluoropropene (HFC-1225zc). HFC-1225zc can be made from...
Deep filter element suitable for replacing a shallow filter element and
having a support frame made from thin stock
A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format...
Momentum stabilized launch vehicle upper stage
A spacecraft system including a spacecraft assembly or "stack" having an upper stage of a rocket-powered launch vehicle providing a final boost phase during...
In-orbit satellite sensor alignment determination
A sensor alignment system and method is provided that facilitates the precise alignment determination of satellite sensors. The system and method utilizes an...
Composite friction disc with structural core and refurbishable lining
A friction disc assembly having an annular structural core (40) and at least one friction lining disc (30). The annular structural core (40) is made from a...
A damper unit for an air circulation system. The damper unit includes a frame defining an air flow opening, a damper vane for opening and closing the air flow...
Detector with condenser
An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture...
Pressure reduction apparatus and method
A pressure reduction apparatus is disclosed. Air at high pressure and temperature may be drawn from a source such as a bleed valve of a gas turbine engine that...
Error response test system and method using test mask variable
An error response test system and method with increased functionality and improved performance is provided. The error response test system provides the ability...
Distributed data transmitter
A distributed data transmitter (DTXR) which is an adaptive data communication microwave transmitter having a distributable architecture of modular components,...
Thin film thickness measurement using multichannel infrared sensor
A system and method for analyzing the characteristics of a thin film is provided. The current invention extends the capability of IR sensors to measure thin...
Dither stripper with non-linearity correction
A method and apparatus for correction of laser gyro dither pickoff signals. Dither pickoff signals are sampled during the dither input signal cycle at points...
Flight safety system monitoring combinations of state values
A method and system compares combinations of vehicle or aircraft state variables against known combinations of potentially dangerous states. Alarms and error...
Balanced magnetic linear displacement sensor
A magnetic linear displacement sensor. In accordance with one embodiment, the displacement sensor includes a Hall transducer element having a sensor plate...