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Method of making fluorinated alcohols
Disclosed are methods of producing fluorinated alcohols which find particular use in the syntheses of pharmaceutical drugs. The methods comprise generally, the...
Process for the preparation of ether-free salts of
A method is provided for making substantially ether-free alkali metal tetrakis(pentafluorophenyl) borate salts from tetrakis(pentafluorophenyl) borate magnesium...
Hydroxythiol grignard reaction synthesis
A method for the preparation of hydroxythiol compounds by reacting a hydroxyl-protected halide compound having the structure: with magnesium in a Grignard-suitable...
Polyamide resin composition
The present invention relates to a polyamide resin composition having excellent weather resistance and coating adhesion property and more particularly, to the...
Azeotrope-like composition of 1,2-dichloro-3,3,3-trifluoropropene and
hydrogen fluoride composition
The invention relates to azeotropic and azeotrope-like mixtures of 1,2-dichloro-3,3,3-trifluoropropene (HCFC-1223xd) and hydrogen fluoride, which are useful as...
Magnetic glassy alloys for electronic article surveillance
A glassy metal alloy consists essentially of the formula Co.sub.a Ni.sub.b Fe.sub.c M.sub.d B.sub.e Si.sub.f C.sub.g, where M is at least one element selected...
Side tension brake condition sensor
A sensor for determining the on/off condition of a railroad car handbrake that utilizes a manual wheel which applies tension to a chain extending under the car...
Heat exchanger with bypass seal allowing differential thermal expansion
The present invention is embodied in a heat exchanger, which allows differential thermal expansion of its elements while providing a bypass seal. In at least one...
Vapor-adsorbent underhood blanket, system and method of reducing
evaporative fuel emissions from a vehicle
A filter blanket, for placement on an underside of a vehicle hood, and for use in recycling residual engine vapors from within an engine's intake system,...
Adsorption based carbon monoxide sensor and method
A carbon monoxide sensor and method is shown and described. The sensor includes a sensing element that includes an adsorbent dispersed over a support material....
Method, apparatus and computer program product for estimating airplane
attitude with reduced sensor set
An apparatus, method and computer program product useful for supplying the pilot of an aircraft with aircraft attitude information in the event of full or...
Aircraft communication frequency nomination
An aviation facility nominating device for an aircraft includes a position receiving component that receives position data indicating a position of the aircraft,...
Deposition of organosilsesquioxane films
There is provided an array of alkyl substituted silsesquioxane thin film precursors having a structure wherein alkyl groups are bonded to the silicon atoms of a...
Universal grommet seal for spin-on type filters
An improved sealing grommet for a spin-on type fluid filter has an annular flange coupled to an interior wall of the grommet body which sealingly engages filter...
Display screen and method of manufacture therefor
A screen assembly that combines an angle re-distributing prescreen with a conventional diffusion screen. The prescreen minimizes or eliminates the sensitivity of...
Method, apparatus, and computer program products for alerting surface
vessels to hazardous conditions
A navigational system for surface vessels that provides warning of impending grounding occurrences. A data base of bottom contours and submerged obstructions is...
Aircraft display with potential thrust indicator
An aircraft display apparatus combines a flight path vector group with a potential thrust indicator. The display apparatus comprises a display screen and a pitch...
High speed output buffers using voltage followers
An output buffer is provided in the form of a voltage follower having a positive input that receives a reference voltage, a negative input and an output coupled...
System and method for determining battery state-of-health
A system and method for accurate and in real time determination of factors relating to the state of health of a storage battery. The system measures the values...
Active filter and method for suppressing current harmonics
An active filter (100) suppresses current harmonics generated in a dc bus (300) by generating a compensating current that is approximately equal-but-opposite in...
Compositions and methods for thermosetting molecules in organic
In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl...
High strength powder metallurgy nickel base alloy
A nickel base super alloy composition wherein the ratio of molybdenum to tungsten or to the sum of tungsten and rhenium, ##EQU1## Is in the range of about 0.25...
Resettable non-explosive actuator
A non-explosive actuator includes a housing, a push rod extending into one end of the housing and a plurality of dogs within the housing. A plunger is inserted...
Night vision goggles compatible with full color display
An ANVIS aid, such as an ANVIS goggles set, with a first optical filter is described. A second optical filter blocking light in an opposite sense from the first...
Fault tolerant data communication network
The present invention provides a fault tolerant bus architecture and protocol for use in an Integrated Hazard Avoidance System of the type generally used in...
Fast CD and MD control in a sheetmaking machine
A system of providing fast machine direction (MD) and cross direction (CD) basis weight adjustments using a simultaneous multi-point water weight sensor which...
Portable electric space heater
A method and apparatus for conditioning air includes conditioning units that are removably attached together. The conditioning units may be separated from each...
Radiation curable fluorinated vinyl ethers derived from hexafluoropene
Vinyl ether compounds having the formula: wherein R is a radical having the formula: R.sub.1 --CFH--CF.sub.2 -- or R.sub.1 --CF.dbd.CF.sub.2 --, wherein R.sub.1 is an...
Method and system for versatile optical sensor package
A versatile optical sensor method and assembly (200) is disclosed, providing cost-effective and readily adaptable optical sensor packaging while minimizing...
Recessed silicon oxidation for devices such as a CMOS SOI ICs
A method is provided to form a LOCOS isolation in a CMOS SOI device. The SOI has a top silicon layer, a bottom silicon layer, and an insulation layer between the...
Reactive aqueous metal oxide sols as polishing slurries for low dielectric
An aqueous metal oxide sol slurry has been developed for removal of low dielectric constant materials. The slurry is formed directly in solution utilizing...
Wheel rim flange crown
A wheel (11) having a rim (12) with a pair of flanges (17, 19) including a peripheral potential roll surface (33) on at least one flange for contacting the...
Valve control logic for gas turbine recuperator
Control logic and a method for controlling turbine speed. In an embodiment, the inventive control logic controls turbine speed of turbine generators operating in...
Monitoring system for web breaks in a paper machine
The invention relates to a monitoring system for web breaks in a paper machine. A web (W) is monitored by means of a number of cameras (1) and the image data of...
Fingerprint input apparatus
A fingerprint input apparatus includes a prism, a light source, a pinhole, and an imaging plane. The prism is placed such that a surface in one direction serves...
Nonvolatile digital potentiometer trimmed ring laser gyroscope
A ring laser gyroscope (RLG) is configured with control circuits that are capable of automatic calibration. The RLG generates two laser beams in opposite...
Bulk amorphous metal magnetic components for electric motors
A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component in which a plurality of layers of amorphous metal...
Contaminant filter with magnetic filtration capabilities
In a fluid filter, magnetic filtration of ferrous particles is provided by an adhesive having magnetic properties which is placed within a filter assembly in...
Method and apparatus for improved aircraft environmental control system
utilizing parallel heat exchanger arrays
A heat exchanger subsystem for an environmental control system comprises a heat exchanger array having a plurality of heat exchanger elements that operate in...
VCSEL structure insensitive to mobile hydrogen
An active region of a VCSEL at one (i.e., n doped) end having an expanded effectively undoped region, and another (i.e., p doped) end having a significantly...
Controlled-stress stable metallization for electronic and electromechanical
A method of forming a thin film metallization layer having a predetermined residual stress and a predetermined sheet resistance and force measuring devices...
High pulse rate spark ignition system
A spark ignition system for igniting fuel in an internal combustion engine is described. The spark ignition system includes a magnetic core-coil assembly having...
Constant volume air flow rate control for animal cage rack ventilation
A rack system for holding a number of individual drawers or cages for laboratory or other animals has a plenum array for providing fresh air and removing stale...
Recirculating regenerative air cycle
An integrated environmental control system for providing conditioned air supply in an aircraft is provided. The system includes an integrated bootstrap air cycle...
Prognostics monitor for systems that are subject to failure
Methods and devices for detecting and predicting parameter deviations and isolating failure modes in systems that are subject to failure. In a preferred...
Method and apparatus for limiting attitude drift during turns
An apparatus, method and computer program product useful for supplying the pilot of an aircraft with aircraft attitude information. During bank angles exceeding...
Remote attitude and position indicating system
A method and apparatus using ultrasonic sensors for determination of the pointing vector described by two points separated in space in the coordinate frame of...
Variable immersion vignetting display
A see through display includes a variably transmissive element positioned between a real world view and an eye of a user, and a generated display optical system...
Focused laser light turbidity sensor apparatus and method for measuring
very low concentrations of particles in...
A turbidity sensor apparatus and method for measuring very low concentrations of particles in a fluid. The turbidity sensor comprises a laser light source for...
Nowcast of conviction-induced turbulence using information from airborne
A convection induced turbulence (CIT) detection system performs a nowcast algorithm to detect CIT along the flight path of an aircraft using power returns from...