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Method for determining capacity of lead-acid batteries of various specific
In accordance with various embodiments, there is a method for determining the capacity of a battery. Various embodiments include applying a predetermined current...
Multi-substrate package assembly
A multi-substrate package assembly having a first substrate, a second substrate and a package, each with a number of bond pads. The package includes a cavity for...
Direct conversion of HCFC 225ca/cb mixture to HFC 245cb and HFC 1234yf
Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
Method for removing contaminants from plastic resin
A method for removing contaminants from synthetic resin material containers using a first organic solvent system and a second carbon dioxide system. The organic...
Duct wall water extractor
A liquid extractor may comprise a slot in a duct wall and one or more ridges positioned on the interior duct wall surface. A bend in the duct, a swirl device...
Outer diameter nut piloting for improved rotor balance
The present invention provides for outer diameter piloting of a nut that secures stacked components to a tie-shaft or other threaded components used to axially...
Method and apparatus for accurately delivering a predetermined amount of
fuel to a vehicle
A system for accurately measuring and delivering a predetermined amount of fuel to a vehicle for a specified mission. This system rapidly refuels vehicles to a...
Split ceramic bore liner, rotor body having a split ceramic bore liner and
method of lining a rotor bore with a...
A rotor body (22) having a plurality of cylindrical bores (24) each adapted to receive a piston (30) for reciprocating movement therein, each of the bores (30)...
MEMS vertical comb drive with improved vibration performance
A Micro-Electro-Mechanical System closed-loop (MEMS) inertial device having a vertical comb drive that exhibits improved performance under vibration. The device...
Auxiliary power unit inlet door position control system and method
An auxiliary power unit (APU) includes a controller that controls the position of an APU inlet door, and thus ram air flow to the APU, to ensure optimal starting...
Impeller weld restraining fixture
The present invention provides an apparatus for use in automated welding repairs, particularly those repairs intended for impellers and similar structures. In...
Distributed control architecture for powertrains
Systems and methods for controlling automotive powertrains using a distributed control architecture are disclosed. A distributed control system may include a...
Infrared face detection and recognition system
A face detection and recognition system having several arrays imaging a scene at different bands of the infrared spectrum. The system may use weighted...
Routing of mobile agents in a network
A single mobile agent, multiple mobile agents, or a query mobile agent traverse the nodes of a network. As the single mobile agent, multiple mobile agents, or a...
Bi-stable magnetic latch assembly
A bi-stable magnetic switch assembly is provided that comprises a stator and a rotor, which is configured for rotation with respect to the stator between a first...
Ultra violet light sensor
A light detector having spaced electrodes preset by pins or a spacer within a sealed enclosure. The detector may have a MEMS structure that is separate from the...
Microfluidic modulating valve
A valve is provided that can selectively change the size of a flow channel in a valve in order to modulate the fluid flow through the valve. In one illustrative...
Method of and system for reducing power required for an electric brake to
maintain a static force
A brake system includes a piston for applying an output force to a brake, a motor operatively connected to the piston and a controller receiving a braking...
Pedal position and/or pedal change rate for use in control of an engine
Systems and methods for using pedal position and/or pedal change rate in the fuel side and/or air side control of an engine. By knowing the pedal position and/or...
Capacitively coupled resonator drive
An apparatus and method for a micro-machined device having a movable mass rotatably suspended from a frame by one or more hinges for rotation relative thereto...
Miniature package for translation of sensor sense axis
A ceramic L-shaped or T-shaped packaging apparatus for a Micro Electro-Mechanical System (MEMS) inertial sensor die that translates the sensor sense axis...
Inflight graphical display of meteorological phenomena and method therefor
An improved avionics display unit graphically presents meteorological phenomena data to a pilot enroute utilizing conventional pilot report (PIREP) information...
In-flight communications system
An in-flight communications system and method suitable for discrete use by, e.g., an Air Marshal, includes a personal digital assistant (PDA) device having...
Method and apparatus for integrated active-diode-ORing and soft power
A method and an apparatus are used for power supply input connection. The apparatus according to one embodiment comprises a first switch module (143_1) connected...
Dose rate event protection clamping circuit
A novel system for protecting one or more circuits during a dose rate event is presented. A clamping circuit is utilized that outputs a voltage signal that may...
System and method for DC power generation from a reluctance machine
A system and method is provided for generating DC power using a synchronous reluctance machine (12) or a salient-pole synchronous machine (102) and a power...
Azeotrope-like compositions of difluoromethane and trifluoroiodomethane
Provided are azeotrope-like compositions comprising difluoroethane and trifluoroiodomethane, azeotrope-like compositions comprising difluoroethane,...
Low cost brazes for titanium
A braze material and method of brazing titanium metals. The material may consist of Ti, Ni, Cu Zr, PM and M where PM is a precious metal and M may be Fe, V, Cr,...
Non-axisymmetric end wall contouring for a turbomachine blade row
A turbomachine blade row is provided having a hub that includes a non-axisymmetric end wall modified by a transformation function. The blade row further includes...
Extended avionics LCD backlight
An aircraft avionics display assembly comprises a first and second liquid crystal display, each operable to display avionics flight data in an aircraft. A...
Method and system for determining a singularity free momentum path
A method for avoiding singularities in the movement of CMGs in an array of CMGs in a spacecraft includes a first step where a maneuver command to rotate a...
Rocket motor nozzle throat area control system and method
A solid rocket motor including a combustion chamber, in which propellant is ignited to produce combustion gas, and a nozzle having a throat with an effective...
Terrain augmented display symbology
Terrain augmented display symbology improves a pilot's spatial awareness during aircraft approach and landing. The symbology includes a terrain-tracing,...
Automatic cable loss compensation
Method and apparatus are provided for compensation of an RF link between a transmitter and amplifier of a communication system. The apparatus comprises a signal...
Resonance field discharge
A field discharge circuit may rapidly reduce the field current of a generator, thereby avoiding an overvoltage condition. The field discharge circuit of the...
Optical resonator gyro with integrated external cavity beam generator
Methods and apparatus are provided for determining the rotational rate of an optical gyro. An optical gyro comprises at least one substrate, a multi-frequency...
Ladar-based motion estimation for navigation
A method for estimating motion with at least one laser radar is disclosed. The method involves scanning a first range image at a first time, locating a plurality...
Method and system of improving altimeter accuracy by use of a separate
peak return signal tracking
A method to control a track gate and a level gate in an altimeter tracking an altitude of an airborne vehicle comprising emitting signals, directed toward a...
Magnetoresistive smart switch
A smart switch has a magnetic operator, at least one magnetic sensor located to sense movement of the magnetic operator, and a processor that processes an output...
Short circuit protection by gate voltage sensing
A protection circuit monitors the gate voltage of an insulated gate bipolar transistor (IGBT) or metal oxide semiconductor field effect transistor (MOSFET) to...
Interposer for compliant interfacial coupling
In one aspect, the present invention provides interposers that can mechanically, electrically, and thermally interconnect first and second microelectronic...
Method for removing contaminants from plastic resin
A resin recycling method that produces essentially contaminant-free synthetic resin material in an environmentally safe and economical manner. The method...
Cabin pressure control system and method that accommodates aircraft
take-off with and without a cabin...
An aircraft cabin pressure control system implements control logic that significantly reduces potentially uncomfortable pressure bumps that can occur during...
Retention of ball bearing cartridge for turbomachinery
An exemplary housing for a turbocharger includes a substantially cylindrical bore having a longitudinal axis, an inner diameter, a proximate end and a distal...
Dual action inlet door and method for use thereof
An inlet door assembly and method for reducing noise from an auxiliary power unit (APU) contained within an aircraft housing is provided. The inlet assembly...
Cooling system with boiling prevention
A cooling system comprises a cooler with a hot-side passage extending between hot-side inlet and outlets. The cooler further includes a cooling passage extending...
High response compact turbocharger
Turbochargers of this invention comprise a turbine housing and a turbine wheel rotatably disposed therein. A center housing is connected to the turbine housing,...
Method relating to a threaded inner sleeve for generator magnet
An inner sleeve, having threads on each end, is formed on a motor or generator rotor. A pair of stub shafts are threadably attached to the inner sleeve at each...
System and method for computer service security
In an embodiment, a computer-based service security system receives a communication such as a query. The system processes that query in a server, which may be...
Methods and apparatus for process control using catalyst state estimation
In a process control system, the hidden properties of a catalyst are estimated by including those properties in hidden states within a state space model and...