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Thermally decoupled flange for mounting to a turbine housing
A turbocharger including center housing with a thermally decoupling flange is provided. The flange, which extends generally radially outward from a body of the...
Anisotropic support damper for gas turbine bearing
An apparatus and method that provides a flexible anisotropic support, which may accommodate open, closed, or re-circulating squeeze film damper in parallel, has...
Minimum energy wheel configurations for energy storage and attitude control
A satellite energy and attitude control system includes a first energy wheel, a second energy wheel and a third energy wheel. The first energy wheel is mounted...
Adjustable tuned mass damper
A tuned mass damper is adjusted by turning a screw inside the damper that engages coils on a spring, reducing or increasing spring stiffness without displacing...
Inertial control and measurement system
An inertial control and measurement system is provided for applying inertial control to a vehicle and measuring angular rate of the vehicle. The system includes...
Flow and pressure sensor for harsh fluids
Methods and systems for preventing degradation of a sensor exposed to a harsh fluid, such as one that might corrode or be exposed to radioactive contaminants,...
Space suit backpack using solid adsorbents for cryogenic oxygen storage,
freezeout of carbon dioxide and...
A portable life support system includes a primary oxygen supply in thermal communication with a recirculated ventilation flow from a user. The primary oxygen...
Air turbine starter with fluid flow control
An improved air turbine starter that includes fluid flow control devices. The devices may be check valves, for example normally open check valves. The check...
Methods and systems for variable geometry turbocharger control
Methods and systems of this invention for positioning a variable geometry member disposed within a variable geometry turbocharger involve determining a boost...
Thrust reverser position determination system and method
An improved jet engine thrust reverser that includes a sensor to determined the rotational position of a motor. The system includes an actuator, a motor, motor...
Method and system for mechanizing simultaneous multi-actuator actions
applied to dynamic balancing
A method and system for dynamically balancing a rotating system based on a plurality of simultaneous and discrete control actions that place mass at ...
Apparatus and method for controlling LED arrays
A high precision, high efficiency controller for LED devices such as LED arrays includes a current limiter, driver and buffer.
Liquid crystal display wherein twist angle of liquid crystal material
differ from 90.degree. by approximately...
A display according to various aspects of the present invention comprises an LCD having a first substrate, a second substrate proximate the first substrate, a...
Methods and apparatus for accurate phase detection
A phase processor is disclosed which is configured to receive processed radar return data from a left radar channel, a right radar channel, and an ambiguous...
Ion fusion formation
An ion fusion formation (IFF) system uses a plasma welding torch to create ions that heat feedstock for application at a deposition point. A plasma welding torch...
Luminescent fiber production thereof and use thereof
A luminescent fiber is described comprising at least one fiber-forming material with at least one inorganic luminophor pigment dispersed therein, characterized...
Increased wear-life mechanical face seal anti-rotation system
One or more stator seal assemblies are mounted in the housing of a rotating machine such as, for example, an air turbine starter for a gas turbine engine, and...
Reaction wheel system with vernier control rotor
A reaction wheel system is provided that includes at least two rotors. The first rotor is the primary rotor that provides the large output torques to the...
Variable geometry turbocharger
A turbocharger comprises a center housing, and a shaft positioned therein having a first end and a second end. A turbine housing is attached to one side of the...
Simple fault tolerance for memory
Methods and an associated apparatus are disclosed for providing fault tolerance for memory. The method involves generating a remapping value. Then the remapping...
Scalable data collection and computing apparatus
A method and apparatus for collecting and distributing information to and from a computing element that is quickly scalable at the installation to varying types...
Terrain augmented 3D flight path display for flight management systems
The computation and data load for producing a flight plan and terrain display for a flight management system is reduced through the use of intelligent level of...
System for tanker entering rendezvous orbit
A navigation and guidance computer system using navigation sensors to determine aircraft position, and automatically control the aircraft to fly from an initial...
Coupled cavity anti-guided vertical-cavity surface-emitting laser
A laser structure (10, 60) and method of manufacturing a vertical-cavity surface-emitting laser (VCSEL). The laser structure (10, 60) is adapted to lase at a...
Non-planar fresnel reflector arrays, mold structures and mold patterns for
eliminating negative draft during...
A non-planar Fresnel reflector array mold pattern and fabrication method are described which can be utilized to manufacture integral non-planar Fresnel reflector...
Secure aircraft communications addressing and reporting system (ACARS)
A method and apparatus that permit military aircraft operators to use the civilian Aircraft Addressing and Reporting System (ACARS) technology while ensuring...
Transferrable compliant fibrous thermal interface
Described is a transferrable fibrous thermal interface. The interface comprises flocked thermally conductive fibers embedded in an adhesive in substantially...
Ram air turbine with speed increasing gearbox
A ram air turbine power system includes a ram air turbine having a turbine shaft, turbine blades for rotating the turbine shaft; and an electrical generator or...
Electronic projectile fuse
A device supplies electric energy for projectile detonators without a battery or additional energy generation during flight of the projectile. For operating the...
Alignment plate with matched thermal coefficient of expansion method
Proper registration between layers of a laminated multi-layer interconnect can be achieved by precisely dimensioning the alignment plate, selecting the materials...
Optical coupling for optical fibers
A method and system for coupling a laser (e.g., vertical cavity surface emitting laser (VCSEL)) to an optical fiber is disclosed. A plurality of optical modes...
Apparatus and method for characterizing fiber crimps
Apparatus and method are described for measuring and controlling the crimp characteristics of a moving crimped tow. A light source illuminates a section of the...
Protective side wall passivation for VCSEL chips
Methods for sealing or passivating the edges of chips such as vertical cavity surface emitting lasers (VCSEL) is disclosed. One method includes oxidizing the...
Methods and apparatus for minimum computation phase demodulation
A filter, includes a first order band pass filter configured to process non-zero amplitude gated radar return samples and process a portion of received zero...
Pulse width modulation analog to digital conversion
A method and apparatus for analog-to-digital conversion is provided that uses pulse width modulation to provide accurate and reliable conversion of analog...
Position detection apparatus with distributed bridge sensor
A position determining apparatus including a magnet that is attached to a movable member which moves along a defined path of finite length. An array of...
Gate length control for semiconductor chip design
A semiconductor device includes first and second polysilicon areas on a chip. The first polysilicon area corresponds to circuit elements of the semiconductor...
Process of making fluorinated alcohols
Provided are methods of producing fluorinated alcohols from non-perfluorinated fluoroolefins and methanol. Certain preferred embodiments of such methods involve...
Soft hand, low luster, high body carpet filaments
Novel filaments and yarns for carpets, upholstery and other applications, the spinneret and method for their production and carpets manufactured therefrom. The...
Thermal interface materials
A crosslinkable thermal interface material is produced by combining at least one rubber compound, at least one amine resin and at least one thermally conductive...
Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen
The invention relates to azeotropic and azeotrope-like mixtures of 1,1,1,3,3-pentafluorobutane (HFC-365) and hydrogen fluoride and a process for separating the...
Azeotrope-like compositions of pentafluoropropane
Disclosed are azeotrope-like compositions comprising 1,1,1,3,3-pentafluoropropane and at least one C.sub.3 or C.sub.4 hydrocarbon, and optionally water, said...
Lasable bond-ply materials for high density printed wiring boards
This invention concerns lasable bond-ply materials comprising a nonwoven reinforcing material and at least one resin material. The present invention also...
Curvic coupling fatigue life enhancement through unique compound root
A lower stress and higher service life curvic coupling design is disclosed for use on coupling mechanisms for assembly of components that comprise rotating...
Ceramic to metal joint assembly
A joint assembly for coupling a ceramic member to a metal member is comprised of a ceramic shaft portion attached to the ceramic member; a slotted shrink fitter...
Anti-lock braking system module for aircraft equipped with master cylinder
A combination brake and anti-lock system for a wheeled vehicle such as an aircraft includes an operator controlled source of pressurized hydraulic fluid for...
Valve for fuel burner
The invention relates to a system made of an oil pump and of a magnet valve for preventing oil from dripping when the oil burner is switched off. The inventive...
Flush surface air data sensor
An air data sensor for an aircraft has a flush mounted plate at the outside surface of the aircraft and a housing for the sensor within the aircraft below the...
Apparatus and method for testing jet engine fuel manifold flow distribution
An apparatus and method for testing the flow distribution through a turbine engine fuel manifold and one or more nozzles connected to the manifold. A plurality...
Vane design for use in variable geometry turbocharger
Improved vanes of this invention are constructed for use within a variable geometry turbocharger assembly. Each vane comprises an inner airfoil surface oriented...