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Square root extractor
A square root extractor includes only multipliers, summers, delay elements, and a scaler so that the square root of a signal may be produced without complex...
Adaptive knowledge management system for vehicle trend monitoring, health
management and preventive maintenance
A method and an Adaptive Knowledge Management is provided. The Adaptive Knowledge Management System is used for assisting a user with decision making by...
Instrument reference flight display system for horizon representation of
direction to next waypoint
The invention provides a primary flight display instrument in which a symbol--such as a small star or triangle--indicates the bearing to the current waypoint in...
Apparatus, method and computer program product for helicopter enhanced
ground proximity warning system
An apparatus, method and computer program product for alerting rotary wing aircraft of potentially hazardous proximity to terrain also reduces nuisance warnings...
Gas turbine engine starter generator with multiple windings on each exciter
A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that has its stator windings divided into a number of sections. A...
Integrated heat spreader lid
A heat spreader lid includes an outer periphery region having a lip for bonding to an underlying substrate board, a center region, and one or more strain...
Hermetically sealed silicon micro-machined electromechanical system (MEMS)
device having diffused conductors
The present invention is an apparatus and method for a micro-machined electromechanical system (MEMS) device having a hermetically sealed sensor or actuator...
SEU hard majority voter for triple redundancy
Majority voting between triple redundant integrated circuits is used in order to provide an SEU hardened output signal. Accordingly, an input signal is processed...
Metallic coated dielectric substrates
A metal/dielectric construction having either an optically transmissive substrate adapted for channeling light therethrough, or a dielectric substrate, an...
Cold gas-dynamic spray repair on gas turbine engine components
A new method for repairing turbine engine components is provided. The method utilizes a cold gas-dynamic spray technique to repair degradation on turbine blades,...
Use of an organic dielectric as a sacrificial layer
A method for using an organic dielectric as a sacrificial layer for forming suspended or otherwise spaced structures. The use of an organic dielectric has a...
Prime surface gas cooler for high temperature and method for manufacture
A high temperature prime surface heat exchanger is created using adjacent pairs of plates having braze cladding on a first surface thereof that are formed to...
Indirect flow measurement through a breath-operated inhaler
Indirect airflow measurement through breath-operated device is accomplished by incorporating an airflow sensor into the inhaler device along a low resistance...
Forward calculation energy augmentation method
Devices and methods for controlling a boiler system. One illustrative method includes controlling the bypass temperature by increasing the firing rate of the...
In a filtering system, a first input receives a signal contaminated with noise. A second input receives a noise reference signal. Each notch filter in a set of M...
Methods for solving the traveling salesman problem
Solving a Traveling Salesman Problem (TSP) by selecting a set of locations to visit, selecting a starting point and an ending point from the set of locations,...
Neuro/fuzzy hybrid approach to clustering data
A technique for clustering input data includes receiving data and reading a sample of the received data having a predetermined window length. The technique...
Control system and method for detecting plugging in differential pressure
A method and control system is disclosed that monitors the high frequency or commonly referred to as the "noise" component of a measurement signal to detect...
Method and system for sliding mode control of a turbocharger
A method for defining a sliding mode control system for a turbocharger system is provided. The method includes perturbing a turbocharger actuator and measuring...
Integrated control system to control addressable remote devices
A multiplexer implemented substantially in the form of software, which enables the multiplexer to be integrated with a supervisory platform into one unit is...
Cursor control console with rotary knob and method of use
A rotary knob is integrated into a cursor control console and facilitates entering of alpha and numeric data into an aircraft computer system. The console houses...
High speed generator with high-power rotating rectifiers cooling system
A rectifier hub and associated cooling method provide increased cooling efficiency for rotating rectifier diodes in a dry cavity generator. The rectifier hub has...
Magnetic sensor integrated with CMOS
A magnetic sensor device formed using SOI CMOS techniques includes a substrate, a silicon oxide layer and in some cases a plurality of gated regions. A first...
Plunger retention apparatus and method for switch enclosures
A switch enclosure apparatus and method are disclosed. An enclosure can be provided, wherein the enclosure comprises a plurality of walls from which a cavity can...
Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and
The invention relates to azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and hydrogen fluoride, which are useful as...
Rhenium tantalum metal alloy
The present invention provides a method for preparing a rhenium-tantalum alloy with improved strength and ductility characteristics. The method includes mixing...
Positive and negative pressure sensor
A device for sensing pressure using two perforated rigid films in which a diaphragm is mounted between the first two films. The device senses positive and...
Process variable generalized graphical device display and methods regarding
A graphical user display for providing real-time process information to a user for a process that is operable under control of one or more process variables is...
System and method for recovering from radiation induced memory errors
A system and method for recovering from radiation induced memory errors invalidates information stored in a cache memory, upon the detection of the memory error....
Non-fault tolerant network nodes in a multiple fault tolerant network
The present invention provides a method and apparatus for facilitating communication with non-fault tolerant network nodes in a fault-tolerant network...
Wireless control network with scheduled time slots
A building monitoring system is disclosed that includes a bi-directional radio link between a master and a number of remote units, wherein the master unit...
MEMS frequency standard for devices such as atomic clock
A frequency standard has a cell formed in a cavity of a substrate. The cell contains a metal alkali vapor. The substrate has an optical path that intersects the...
Method for heat absorption using polyoxymethylene polymer compositions
The present invention provides methods for heat absorption and thermally protected enclosures for containing heat sensitive devices, which include a heat...
Dual path EGR system and methods
An internal combustion engine system, dual loop EGR system and method is provided, with a high pressure EGR loop, controlled by a control valve, in fluidic...
Force measurement of bimetallic thermal disc
An apparatus and method for determining the actuation energy generated by a bimetallic actuator during transit between first and second states of stability. The...
Housing for a detector
Methods and apparatus for determination of a filter center frequency
A method for calculating a center frequency and a bandwidth for a radar doppler filter is herein described. The center frequency and bandwidth are calculated to...
Radar altimeter with forward ranging capabilities
A method for incorporating a forward ranging feature into a radar altimeter is described. The method comprises positioning an antenna of the altimeter such that...
Multi-function control system
A control module usable to drive audible or audible/visible output devices in an alarm system can generate a modulated pulse sequence in accordance with a...
High power terminal block assembly for generators and method of assembling
and installing the same
A terminal block assembly for electrical generators, such as high speed AC generators used in aircraft, is made from components that are readily assembled and...
High speed generator with the main rotor housed inside the shaft
A high speed generator has its main rotor located within the main generator shaft assembly. The main rotor is mounted on a substantially hollow rotor shaft,...
Micro-machined electromechanical system (MEMS) accelerometer device having
arcuately shaped flexures
An apparatus and method for suspending a movable structure form a support structure wherein first and second flat and thin arcuately shaped flexures are formed...
Programmable multi-chip module
A multi-chip module comprising a low-temperature co-fired ceramic substrate having a first side on which are mounted active components and a second side on which...
Coatings and method for protecting carbon-containing components from
A protective coating for a carbon-containing component comprises a material selected from the group consisting of non-stoichiometric silicon and carbon;...
The present invention provides compositions comprising pentafluoropropane, a second component selected from the group consisting of decafluoropropane,...
Method of making a fluid filter, and filter which is a product thereof
A method of assembling a fluid filter begins with a step of aligning housing shells to form a housing. A seam is defined in an area where the housing shells...
Missile thrust system and valve with refractory piston cylinder
An improved pneumatic valve and a missile with an improved thrust directional valve. In one embodiment, a refractory material lining for a pneumatic valve...
Flash memory management system and method utilizing multiple block list
The present invention provides a flash memory management system and method with increased performance. The flash memory management system provides the ability to...
Hollow wedge shaped light guide
A wedge shaped hollow light guide includes a top planar surface (100) with total internal reflecting features (11) and a bottom planar surface (20) with clocked...