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Methods of producing phosphitylated compounds
Provided are methods of producing phosphitylated compounds, including 3'-O-phosphoramidites, comprising the step of reacting a hydroxyl-containing compound with...
Supported catalyst systems
Disclosed are methods of producing a supported organic catalyst system comprising the steps of: (a) providing an organic catalyst solution comprising an organic...
Barrier film with reduced dynamic coefficient of friction
Oxygen barrier films having a greatly improved dynamic coefficient of friction, and specifically, oxygen barrier films having an exceptionally low dynamic...
Physical colored inks and coatings
A coating, such as ink or paint, is used, where particles in the coating are selected based on electric, magnetic, or light/photo properties, and are dispersed...
Heat exchanger with biased and expandable core support structure
A heat exchanger, including a core having a variable size or length and a support structure connected to the core, the support structure accommodating variations...
Flow control valve with integral sensor and controller and related method
A flow control valve assembly, and a method of determining and controlling fluid flow through the valve, that is relatively simple in design, is relatively...
Cooling set point control
Methods and apparatus for controlling the cooling set point value of a climate control system are provided. In one illustrative embodiment, a humidity error is...
Flow divider & purge air system for a gas turbine engine
A purge air and fuel flow divider module (15) independently directs fuel flow to a plurality of manifolds (25, 27 and 29) and independently purges fuel from...
A thruster for providing thrust for spacecraft positioning, which has a propellant reservoir for storing propellant, a reaction chamber for discharging a vapor...
Stationary roller shaft formed of a material having a low inclusion content
and high hardness
An improved stationary roller shaft of a gear assembly for an air turbine starter is provided. The air turbine starter may be used to start a gas turbine engine,...
Pictographic mode awareness display for aircraft
A device, method and computer program for generating and displaying graphical displays symbolic of current and available operational modes of instrument systems,...
Low loss integrated optic switch
An integrated optical switch that has a low throughput loss during the "on" pulse, and a high throughput loss during the "off" period. The optical switch...
Inertial reference system for a spacecraft
An inertial reference system for a spacecraft includes an attitude control assembly and a plurality of force sensors. The attitude control assembly is coupled to...
Thermal switch striker pin
A striker pin in a thermal switch configured as a mechanical link between a bimetallic disk and an armature spring is provided. The striker pin includes a pin of...
Opto-electronic transmissive edge location sensor
Optical sensor methods and systems for detecting the edge of an object are disclosed. An optical sensor having dual equal area active regions can be provided,...
Low dielectric materials and methods of producing same
In accordance with the present invention, compositions and methods are provided in which the mechanical strength and durability of a precursor material having a...
Ballistic resistant and fire resistant composite articles
Ballistically resistant and fire resistant composite articles for aircraft interiors and other applications. Composite articles are provided having a flexural...
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...
Systems and methods for guiding munitions
A method of guiding a munition to a target transmitting one or more signals is described. The method includes configuring the munition with a radio frequency...
3D array integrated cells for the sampling and detection of air bound
chemical and biological species
An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an...
Wavelength division multiplexing coupler with loss element
A method and system for adjusting power at output ports of a wavelength division multiplexing (WDM) coupler. A loss element may be placed at one or more of the...
Method and system for compensating satellite signals
A method and system pertaining to a dual antenna compensation algorithm is provided. A local area augmentation system may include a dual antenna system to...
Systems for buried electrical feedthroughs in a glass-silicon MEMS process
A method for providing conductive paths into a hermetically sealed cavity is described. The sealed cavity is formed utilizing a silicon-glass ...
Integrated structure with microwave components
A semiconductor device has a silicon layer and a first dielectric layer. A transistor has a drain and a source that are at least partially in the silicon layer....
Environmental and thermal barrier coating for ceramic components
A component comprises a silicon-based substrate; and a protective coating for the substrate. The protective coating includes tantalum oxide (Ta.sub.2 O.sub.5)...
Filter apparatus for removing sulfur-containing compounds from liquid
fuels, and methods of using same
A fuel filter for removing fuel impurities, particularly thiophenes, includes a hollow housing having a filter element therein. The filter element includes a...
Thin film lamination-delamination process for fluoropolymers
A process for forming thin film laminations of thin fluoropolymer films to receiver sheets, more particularly, the production of very thin, transferable...
Coated carbon brake disc materials
Antioxidant coating compositions containing 10-75 wt % H.sub.2 O, 20-65 wt % H.sub.3 PO.sub.4, 0.1-20 wt % alkali metal mono-, di-, or tri-basic phosphate, 0-2...
Modified dual diaphragm pressure sensor
A device for sensing pressure including a chamber defining part having a first diaphragm mounted in communication with the sealed chamber defining part, and a...
Spacecraft depressurization analyzer
Methods and apparatus are provided for analyzing spacecraft depressurization events. The apparatus comprises a memory configured to store information relating...
Speed signal variance detection fault system and method
A method and a system is provided, useable in electrical control sensors for shaft speed signal frequency change rate tests, detecting intermittent or...
Electronics box having internal circuit cards interconnected to external
connectors sans motherboard
An electronics chassis box includes a pair of opposing sidewalls, a pair of opposing end walls, a bottom surface, a top cover, and ring connectors assemblies...
Methods and systems for detecting forward obstacles
Methods and apparatus for detecting obstacles in the flight path of an air vehicle are described. The air vehicle utilizes a radar altimeter incorporating a...
Graphical display for aircraft navigation
Methods and apparatus are provided for indicating safe or potentially hazardous operating conditions of an aircraft in a required navigational performance (RNP)...
Method and apparatus for determining cold cranking amperes value
A method and apparatus for determining the cold cranking ampere (CCA) value of a battery under test in which an algorithm of battery CCA as a function of battery...
Method for simultaneously protecting carbon-containing components against
catalytic oxidation and high...
Coated articles (19) that comprise components, made of carbon fiber or carbon-carbon composites which may be configured, for example, as aircraft landing system...
Pressure sensor module
A pressure sensor module for use in conjunction with an electropneumatic brake, comprising a casing and a plurality of pneumatic input ports on a first face of...
Low TCE fill fluid for barrier diaphragm pressure sensors
A pressure sensor has a housing with an opening exposing a cavity, a barrier diaphragm across the opening, a pressure sensing element within the cavity, and a...
Tamper resistant vapor sensor method and system
A vapor sensor is disclosed, which includes a substrate containing a sensing element, wherein the substrate is located proximate to a sleeve portion which covers...
Air conditioning system
An air conditioning system for an aircraft in which cabin air is recirculated and mixed with cold air from an air conditioning machine which includes at least...
Gas turbine impeller alignment tool and method
An apparatus and method for centering a shaft (for an impeller or other rotating component) in a gas turbine engine, such as that used in aircraft or other...
Active filter for power distribution system with selectable harmonic
A power distribution system includes an ac power source; a power bus connected to the ac power source; a capacitor bank shunt-connected to the power bus; and an...
Energy storage flywheel system with a power connector that integrally
mounts one or more controller circuits
An energy storage flywheel system that includes a power connector extending through the flywheel housing assembly and is hermetically sealed thereto. A circuit...
Process for producing yarn having reduced heatset shrinkage
The present invention provides a process for producing yarn having reduced heatset shrinkage. Preferably, the fibers used in making the yarn are bicomponent...
Temperature controlled burner apparatus
A system for controlling temperature in an enclosure operates in a low heat or a high heat mode with flame always present. The presently intended use is for...
Gearless/oilless gas turbine engine
The complex mechanical gear trains and lubrication systems of conventional engine configurations are eliminated by using combinations of hydrodynamic air foil...
Self-adjusting system for a damper
A damper unit for an air handling system. The damper unit includes a damper vane to regulate air flow, and a position indicator coupled to the vane. The damper...
Warm air furnace with premix burner
A warm air furnace system has a valve for controlling the flow of fuel, and a mixing component for receiving fuel from the valve and mixing the fuel with air to...
Internal combustion engine system
Cylinders of an internal combustion engine are provided with an exhaust port that is opened when the piston approaches bottom dead center. Exhaust in the...
Low speed range indicator
In an aircraft flight instrument display system having a display screen for displaying flight information, an airspeed indicator is displayed in a vertical tape...