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Films with UV blocking characteristics
The present invention provides coextruded or laminated multilayer films having at least one layer of a halopolymer such as poly(chlorotrifluoro ethylene)...
Carbon barrier controlled metal infiltration layer for enhanced oxidation
The invention provides for oxidatively resistant silicon carbide coated carbon/carbon composites, a method for the preparation of these materials, and their use...
Combustor hot streak alignment for gas turbine engine
A method and apparatus to reduce the average and maximum temperatures to which the nozzles in the hot-section of gas-turbine engine are subjected is described....
Double resonating beam force transducer with reduced longitudinal pumping
A resonator beam structure that, during vibration of the tines, minimizes coupling of a longitudinal motion of the tines into a support structure to which the...
Self-normalizing flow sensor and method for the same
An apparatus to normalize a flow rate of a fluid in a main flow channel is provided. The apparatus uses a moveable member, such as a flexible membrane disposed...
Apparatus and method for accurate pipeline surveying
A pipeline surveying system including a pipeline pig can accurately provide a pipeline profile after correlation with a previously determine Global Positioning...
Projection system utilizing fiber optic illumination
A projection display composed of a plurality of tiles (101) is illuminated by a plurality of projectors (400), one for each tile. The light from a plurality of...
Bulk stamped amorphous metal magnetic component
A bulk amorphous metal magnetic component has a plurality of laminations of ferromagnetic amorphous metal strips adhered together to form a generally ...
Photochlorination of 1,1,1,3,3-pentafluoropropane
A process for preparing 1-chloro-1,1,3,3,3-pentafluoropropane, CF.sub.3 CH.sub.2 CF.sub.2 Cl, comprising contacting in a reaction zone in the substantial absence...
Brazing foil performs and their use in the manufacture of heat exchangers
Preformed articles of an amorphous metal foil which are particularly adapted to be used in the manufacture of an assembly having brazed joints, especially a heat...
Optimized demountable flange and retaining ring geometry for aircraft
A technique for reducing the likelihood of fatigue damage to a wheel rim assembly (11) of the type having an annular wheel rim (13) with a first bead flange...
Catalytic adsorption and oxidation based carbon monoxide sensor and
A high-sensitivity carbon monoxide sensor is shown and described. The sensor includes a sensing element having a catalyst dispersed over a metal oxide layer. The...
VAV airflow control for preventing processor overflow and underflow
A method for controlling a variable airflow apparatus to prevent processor overflow and underflow, with the variable airflow apparatus including an airflow...
Steered beam ultrasonic sensor for object location and classification
A vehicle occupant sensor which utilizes an acoustic system for determining object range, extent, and direction. The system is composed of an ultrasonic...
Optical detection system for flow cytometry
An optical detection system for flow cytometry that uses two or more light sources positioned laterally at different distances from the central axis of the flow...
Process for producing fluoroolefins
A process for producing a fluoroolefin of the formula: CF.sub.3 CY.dbd.CX.sub.n H.sub.p wherein Y is a hydrogen atom or a halogen atom (i.e., fluorine, chlorine,...
Continuously coated multi-composition, multi-layered solid lubricant
coatings based on polyimide polymer...
A lubricant coating disposed between a substrate and a counter surface comprises a reaction layer immediately adjacent the substrate. A bonding layer is...
Resonance identification extension for a self-balancing rotatable apparatus
A method for identifying resonance in a rotating system, wherein the rotating system includes sensors and sensor measurements thereof whose responses to control...
Thermal-electrically cooled photodetector
A noise reducing thermal-electrically cooled photodetector for an Interferrometric Fiber Optic Gyro (IFOG) includes a photodiode that converts an optical power...
Methods for reducing the curvature in boron-doped silicon micromachined
Layers of boron-doped silicon having reduced out-of-plane curvature are disclosed. The layers have substantially equal concentrations of boron near the top and...
Models and methods of integrating simulation techniques for advanced
material predictive analysis
A method of designing an electronic component comprises: a) modeling a first material with respect to a characteristic of the first material in a sufficient...
Bracket for guiding an electronic module during extraction from a shelving
An equipment rack includes a shelf and a backplane which supports and receives an electronic module having a rear connector. The backplane includes a...
Electronic compass and compensation of large magnetic errors for operation
over all orientations
A three-axis algebraic model is used to numerically compensate for magnetic errors in measured magnetic field values in an electronic compass for any orientation...
Method and system for displaying target vehicle position information
A system and method for displaying target vehicle position that combines the data available from a plurality of surveillance sensors. Data from the plurality of...
Methods and apparatus for integrating, organizing, and accessing flight
planning and other data on...
A method and system for displaying a flight plan such that an entire flight plan is viewable through the use of scrolling devices is disclosed. The flight plan...
Microbolometer operating system
A microbolometer for the detection of infrared radiation that has a substrate and an array of sensor elements fixed relative to the substrate. In one embodiment,...
Method of preparing a catalyst layer over a metallic surface of a
A method of coating a catalyst layer on a metallic substrate includes preparing a metal oxide and binder slurry to coat onto a metal surface and forming a...
Monitoring accuracy of an electronic compass
A three-axis physical model is used to numerically compensate for errors in measured magnetic field values in an electronic compass for operation at any...
Layered circuit boards and methods of production thereof
Compositions and methods are provided whereby printed wiring boards may be produced that comprise a) a substrate layer, and b) a hollow, mirror-clad optical...
Display screen with metallized tapered waveguides
An avionics display includes a first predefined display area for high priority information and a second predefined display area for normal priority information....
Glass-break detector and method of alarm discrimination
A glass-breakage detector that provides improved immunity to false triggering when detecting the breakage of a glass window, or similar structure, as sensed by...
Rapid densification of porous bodies (preforms) with high viscosity resins
or pitches using a resin transfer...
A resin transfer molding (RTM) process is disclosed for rapidly filling a fibrous preform and/or a rigid, porous body with high viscosity resin or pitch. The...
Regulating system for gas burners
A burner system for controlling the gas/air mixture of a burner has a sensor providing a signal dependent on the pressures in gas and air lines supplying the...
Boiler control system and method
A method for operating a boiler including sensing a demand for heat and generating and ignition request to a flame safety controller. An ordered succession of...
Starting device for internal combustion engines
A starting device has a strip connected to a pulley for a pull start mechanism. The strip is composed of a high performance plastic and is provided with an...
Simplified capacitance pressure sensor
A capacitance pressure sensor includes a pressure diaphragm, an acceleration diaphragm, and a support member. The pressure diaphragm and acceleration diaphragm...
Liquid fuel reverse purge
Devices and methods for liquid fuel reverse purge on shutdown of turbines are provided. The device and method may utilize a liquid fuel reverse purge control...
High pulse rate ignition system
An ignition system for igniting fuel in a gas turbine or diesel engine is described. The system includes a magnetic core-coil assembly having a magnetic core...
CMOS ECL input buffer
A CMOS ECL input buffer buffers signals from an ECL circuit to a CMOS circuit. The CMOS ECL input buffer has a CMOS differential amplifier. A CMOS input circuit...
A microwheel having stators constructed on a wafer material forming an evacuated. cavity in which a rotor is levitating to lessen friction losses. A plurality of...
Azeotrope-like composition of 1,2,2-trichloro-1,3,3,3-tetrafluoropropane
and hydrogen fluoride
The invention relates to azeotropic and azeotrope-like mixtures of 1,2,2-trichloro-1,3,3,3-tetrafluoropropane (commonly known as HCFC-224aa, and with the IUPAC...
Photographic quality inkjet printable coatings
An inkjet printing coating compositions and recording sheets having printable coating compositions on substrates which are suitable for photographic quality...
High energy particle arrestor for air turbine starters
One or more particle arrestor rings are mounted in a curved radial flow portion of a gas turbine annular flow passage. The arrestor rings block line of sight...
Method of converting an aircraft brake assembly and a convertible aircraft
A convertible aircraft brake assembly (10) designed as original equipment to have heat sinks comprising a steel heat sink (20) aircraft brake assembly and a...
Simultaneous injection method and system for a self-balancing rotatable
A method and system for balancing a rotating device or rotating system having a rotatable member and a shaft attached to the rotatable member, such that...
Walls that require cooling, including combustor walls of jet engines, having two members forming a waffle shaped structure are described. The dual member...
Microfiber dielectrics which facilitate laser via drilling
This invention concerns electronic substrates comprising a non-woven filler material and a resin material. The present invention also includes electronic...
Radio frequency (RF) system loss compensation method
A closed loop automatic gain compensation method and circuit for a radio transmission and reception system formed of a radio frequency transmitter coupled...
Magnetic field sensing device
Two sensor units are formed from magnetoresistive material. Elements of the first sensor unit have a total anisotropy field in a first direction. Elements of the...
Pressure transducer with composite diaphragm
A method of forming a composite diaphragm for a pressure transducer is disclosed. The method comprises providing a substrate layer having a first conductivity...