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Multi-pass exhaust gas recirculation cooler
An apparatus and method for cooling hot fluids, especially exhaust gases, with a multi-pass cooler core. The cooler core is particularly useful for cooling...
Accelerometer strain isolator
An apparatus and method for suspending and strain isolating a structure is provided, the apparatus having a first elongated flexure having first and second ends...
Permeable protective coating for a single-chip hydrogen sensor
A permeable protective coating for a single-ship hydrogen sensor. A hydrogen-permeable coating is applied to a semiconductor wafer containing hydrogen sensor...
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 "in-range"...
Graphical system and method for defining pilot tasks, patterns and
Various embodiments of the invention suitably provide dialog boxes in response to pilot commands so that task parameters may be input or modified. Pilot tasks...
Terminal block with self-locking terminals
A pull station for an alarm includes a housing with a handle mounted for sliding movement within the housing. The housing includes a window for a user to access...
Electrically insulated strain gage
An insulated strain gage including a layer of semiconductive material and a layer of insulating material, where a side of the first insulating layer is disposed...
Aircraft signal definition for flight safety system monitoring system
A system and method compares combinations of vehicle variable values against known combinations of potentially dangerous vehicle input signal values. Alarms and...
Composition for chemical mechanical planarization of copper, tantalum and
Chemical mechanical planarization or spin etch planarization of surfaces of copper, tantalum and tantalum nitride is accomplished by means of the chemical...
Non-contacting clearance seal for high misalignment applications
An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the...
Method of heating for an aircraft electric environmental control system
An aircraft environmental control system (ECS) provides fresh air for the cabin of an aircraft by using electric motor driven compressors in place of traditional...
Video security system
A video security system (10) capable of monitoring and recording fixed and moving targets and recording management information into a video signal such that the...
Method and apparatus for simulating views from a window
A remote viewing system for simulating the views from a window includes a camera assembly and a remote viewing assembly. The camera assembly obtains views of a...
Load-off transient acceleration generator control apparatus/method
A generator control unit (200) includes a field current modulator (212) that repeatedly switches between an ON state and an OFF state to control the flow of...
Hermetically sealed feed-through assembly for gas turbine engine starter
generators and related methods
A terminal assembly for rotating electrical machines, such as high speed starter-generators used for gas turbine engines in aircraft or other vehicles, is made...
Infrared scene projector with current-mirror control electronics
Infrared scene projectors are useful in testing infrared surveillance and guidance equipment which identify and track objects, such as enemy missiles, based on...
Infrared detector packaged with improved antireflection element
An infrared detector has a window in a cover having a cavity for exposing detector pixels to incident radiation. The window has an antireflective element formed...
Magnetic shield for optical gyroscopes
A magnetic shield has a multiple-layered lid and a multiple-layered base, wherein each layer of the lid is aligned with the corresponding layer of the base. The...
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...
Freeze resistant sensor
A sensor having freeze resistant features is disclosed. The sensor includes a sensor die and a buffer member that are assembled for attachment to a process fluid...
Communication for water distribution networks
A system for monitoring the flow of a fluid such as water in a pipe, including a remote pressure sensor operably connected to the pipe for sensing the pressure...
Jack bolt jacking plate
The jacking plate may be used to reinforce structural assembly elements that may be required to withstand the force of the use of a jack bolt to separate...
Methods and apparatus for assembling a flight plan
Method and apparatus are provided for assembling a flight plan. The apparatus has a memory configured to store data associated with waypoints that can be used in...
Auxiliary power unit engine monitoring system
A method and an engine monitoring and control system is provided. The system includes a tested unit having a symbol table with addresses of monitored and...
Monitoring system including an electronic sensor platform and an
A wireless monitoring system suitable for a wide range of remote data collection applications. The system includes at least one Electronic Sensor Platform (ESP),...
Ethylene-vinyl acetate copolymer waxes
Disclosed are ethylene-vinyl acetate ("EVA") copolymer waxes comprising at least about 10%, by weight, of moieties derived from vinyl acetate, the copolymer...
Complex shaped fiber for particle and molecular filtration
An ultra-efficient multilobal cross-sectioned fiber filter for chemical contaminant filtering applications is described. An absorptive chemically reactive...
Staged oil filter incorporating timed release oil conditioner
An oil-conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element. The...
Corrosive environment monitor and methods regarding same
A monitoring method and system to monitor an environment in which an object is located includes monitoring one or more environmental factors associated with...
Apparatus for controlling air quality
A robust, relatively simple air quality control system that can control the air quality in buildings during both the heating and cooling seasons. In one...
Turbocharger noise deflector
A turbocharger having a bypass port compressor, with a center channel that flows directly into the compressor wheel, and an annular channel which acts as a...
Air turbine starter with seal assembly
An air turbine starter with an improved seal assembly is provided. A fluid conduit or channel allows higher pressure fluid into one side of a bearing seal. For...
A strobe unit includes a light source carried by a reflector. The reflector has a plurality of reflecting regions arranged around the light source, each...
System and method for controlling the movement of an aircraft engine cowl
An electric control system and method for operating the cowl doors of an aircraft engine that includes one embodiment with one or more electric motors that are...
Combustion optimization with inferential sensor
A method and system for combustion of fuel in a boiler in which flue gasses are produced. The boiler includes a source of fuel, a source of air, and a controller...
Method for setting electrical characteristics of sensors after assembly
A sensor device is assembled by placing a sensor and a potentiometer within a sensor casing. An electrical connection extending from inside to outside the...
Dynamic correlation extension for a self-balancing rotatable apparatus
A method and system for detecting acceleration and force data associated with a rotating device or rotating system is disclosed, which includes a sine table and...
Multiple language user interface for thermal comfort controller
A multiple language user interface system for a thermal comfort controller. The user interface system has a central processing unit coupled to a memory, a...
Satellite attitude adjustment for GPS initialization
By using the GPS satellite transmitted signals that are tracked on a satellite and those that should be tracked but are not due to the attitude of the satellite...
Use of texture memory for WX scan conversion
A radar display system (10) according to the present invention generates textured radar display data by utilizing a direct memory access receiver (12) to receive...
High-absorption wide-band pixel for bolometer arrays
A microbolometer array has pixels with a thin platform of silicon dioxide having a metal absorber layer, and having a resonant gap with a substrate reflector....
Gallium wetted core member as an electrical tilt switch element
An electrical switch comprising of a non-conducting hollow housing and a number of spaced electrodes, each of which extends through the housing, and a contact...
Wetfast polyamide fiber with high amino end group content
A modified polyamide polymer having a high amino end group content, with more than 30 percent of the amino end groups being secondary or tertiary amine,...
Mixing valve with axially segmented stator windings for axially positioning
a control element for controlling...
The invention relates to a mixing valve with at least two inlets and at least one outlet. A control element is configured as a pump wheel controls the fluid...
Security system with wireless thermostat and method of operation thereof
A security system and method includes a control panel, a security RF receiver connected to the control panel, an air temperature controller unit (e.g. a furnace...
Method and apparatus for predicting the available energy of a battery
A method of predicting by non-invasive testing the available energy of a battery at any state of charge by acquiring data of the parameters of internal...
Ring laser gyroscope with offset aperture
A ring laser gyroscope (RLG) employs an offset aperture for attenuating undesired modes of laser propagation therein. The RLG includes a block having a ring...
Electronic device having fibrous interface
Described is an electronic device having a compliant fibrous interface. The interface comprises a free fiber tip structure having flocked thermally conductive...
Method of casting a metal article having a thinwall
A method of casting a metal article comprising the steps of forming a mold having a mold cavity with a height, a thinwall portion and a base wall portion. The...
Tortuous path quiet exhaust eductor system
A tortuous path quiet exhaust eductor system may be mounted to a gas turbine engine, such as commercial aircraft APU. The system includes an oil cooler, eductor...