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Shell flow sensor
A flow sensor system and a method for fabricating the same. A substrate is provided, comprising a detector wafer upon which a flow sensor is formed. One or more...
Airborne acoustic sensor array
Embodiments for determining the bearings to targets from a remote location are disclosed. The apparatus consists of an array of acoustic sensors that is capable...
MRAM read bit with askew fixed layer
A new read scheme is provided for an MRAM bit having a reference layer (fixed) and a storage layer (free) sandwiching a nonmagnetic spacer layer. The reference...
Precision radio frequency delay device
A method of delaying propagation of a radio frequency (RF) signal through a circuit is described. The method comprises receiving data that represents a delay...
Systems and methods for automatically disabling a TCAS broadcast
Systems and methods for automatically disabling the TCAS Broadcast when aircraft join up in formation. A Traffic Collision Avoidance System (TCAS) determines if...
Systems and methods for current management for digital logic devices
Systems and methods for current management for digital logic devices are provided. In one embodiment, a method of current management for a digital logic circuit...
Joining means for device components
A joining means for thermally insulating and electrically coupling a first component and a second component at an interface. The joining means including a...
Nonlinearly stacked low noise turbofan stator
A nonlinearly stacked low noise turbofan stator vane having a characteristic curve that is characterized by a nonlinear sweep and a nonlinear lean is provided....
Output shaft air/oil separator to redundantly protect against output shaft
An output shaft air/oil separator system comprises an outer housing, an oil passage, a spline shaft having a cavity formed therein that communicates with the oil...
Piezoresistive pressure sensor
A pressure sensor includes a housing portion with a fluid inlet and a polymer element within the housing portion. The polymer element may be coated with...
Segmented effusion cooled gas turbine engine combustor
A combustor includes two or more sets of effusion cooling holes that extend through the inner and outer liners. Each set of effusion cooling holes includes one...
Method, apparatus and system for recovery of a controller with
known-compatible configuration and run-time data
A method includes obtaining current structural information describing a current structure of a process control system and retrieving from a checkpoint file...
Method and apparatus for measuring the crepe of a moving sheet
An image-based measurement technique that directly measures the crepe pattern on a moving sheet employs a suitable arrangement of illumination, optical elements,...
Audio-based presentation system
A system for providing audio-based information pertaining to a situation communicated to a first responder en route to the situation. The information may include...
Anti-logarithmic amplifier designs
An anti-exponential amplifier produces an output signal that is an exponential/anti-logarithmic function of an input signal. The amplifier includes three...
Motor control and driver for electric boosting application
The invention proposes a system for driving a compressor, comprising an induction motor (2) for driving the compressor (3), said induction motor including a...
Azeotropic fumigant compositions of methyl iodide
Azeotropic and azeotrope-like compositions of methyl iodide and at least one fluorocarbon or hydrofluorocarbon such as 1,1,1,3,3-pentafluoropropane (HFC-245fa)....
A gas valve may include a valve body defining an upper valve seat region, and in some cases a lower valve seat region. A main valve that includes an upper main...
Tracking a moving object from a camera on a moving platform
A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an...
Spectrally controlled display backlight emissions for night vision imaging
A lighting assembly topology that utilizes spectrum controlling materials to render the illumination compatible with night vision imaging systems. The lighting...
Angled poppet valve manual override mechanism
An apparatus is provided for a valve assembly comprising a valve body, a valve element, a shaft, an engagement stop, an actuator housing, a manual lockout, and a...
Actuator assembly with rotational coupler in-line with rotational valve
An actuator assembly including an actuator housing assembly having a linear drive mechanism disposed at least partially therein. A linear variable differential...
Multiple auxiliary power unit system inlet ducts controlled by a single
An auxiliary power unit (APU) compartment air inlet system seals, via one or more inlet doors driven by a single actuator, an APU compartment, and isolates the...
Method to modify an airfoil internal cooling circuit
Methods are provided for modifying an airfoil internal cooling circuit that include a flow path configured to direct air through the airfoil in a direction and...
MRAM cell with multiple storage elements
An improved MRAM cell may include a first, second, and third contact, a first MTJ between the first and second contact, and a MTJ between the second and third...
Systems and methods for assisting start of electrodeless RF discharge in a
ring laser gyro
Systems and methods for starting and operating an electrodeless RF discharge ring laser gyro. In one example, an electrodeless RF discharge ring laser gyro...
Methods and apparatus for displaying information
A display system according to various aspects of the present invention provides systems and methods for an integrated graphical user interface which facilitates...
Leakage current shunt in an electrical power distribution system utilizing
solid state relays
The invention provides an apparatus for shunting leakage current of a solid state switching device (SSSD) (10). The apparatus selectively provides a shunt...
Appliance control with ground reference compensation
Appliance control with ground reference compensation is provided. Ground reference compensation can be desirable when a device or component of an appliance is...
Water purification system and modes of operation
A water purification system comprising a thermal hydrolysis catalytic reactor, an adsorbent media bed and a reverse osmosis unit is provided. The water...
Valve actuator assembly
A valve actuator is provided that comprises a unitary housing and a piston translatably mounted within the housing. The piston comprises a first portion having a...
Method and system for balancing bleed flows from gas turbine engines
A bleed air balancing system includes a plurality of bleed air flow paths (12) each carrying bleed air from one of a plurality of gas turbine engines (10), each...
Overspeed protection for sensorless electric drives
Overspeed protection of sensorless electric drives is needed in the aerospace industry. Methods for overspeed protection may include software implementations,...
Integrated optical rotation sensor and method for sensing rotation rate
Methods and apparatus are provided for a low cost optical gyro using thin film waveguides to direct light beams among the components of the gyro. The gyro...
Baseplate for a ring laser gyroscope
A path length control driver for a ring laser gyroscope includes a baseplate, a number of piezoelectric elements, and electrodes. The baseplate includes openings...
Method and apparatus for a multifunction radio
A multifunction radio for receiving radio signals from and sending transmissions to multiple radio systems comprises an antenna and a transmit/receive switch...
Converting voice weather data into data for display in an aircraft cockpit
A method of providing visual data to a pilot in an aircraft cockpit includes receiving information in the form of a voice signal, converting the information to...
Security techniques for electronic devices
Systems and methods for protecting electronic and other sensitive devices in the event of security breaches such as physical intrusion or access, tampering, and...
A sensor having a crystal having a first face and a second face, the first face comprising a prong, wherein the sensor is adapted to track movement of an object...
Methods and systems for comparing currents using current conveyor
Methods and systems are provided for comparing currents. The method includes driving a first current through a first X leg of a first current conveyor circuit...
Multiple chamber dual channel infrared gas detection system
A gas sensor usable in harsh environments includes a multiple chamber radiant energy transmission path which extends between a multi-channel emitter and a...
Compositions containing fluorine substituted olefins
The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as...
Apparatus for disinfecting fluid using ultraviolet radiation
Ultraviolet radiation is used to disinfect water or a fluid in a flow tube, where the flow tube acts as a fluid filled light guide for the ultraviolet radiation...
Systems and methods for temperature compensating torque sensors
Apparatus, systems, and methods are provided for temperature compensating a torque sensor. One apparatus includes a shaft temperature detector and a temperature...
Automatic fault classification for model-based process monitoring
A computer implemented method, system and program product for automatic fault classification. A set of abnormal data can be automatically grouped based on sensor...
Wireless position feedback device and system
A wireless position feedback device incorporated in a monitored device. The position feedback device measures a position of a moving element of the monitored...
Aircraft cabin pressure controls: duty cycle offset to compensate for
asymmetric motor loading in an open-loop...
A cabin pressure control system (CPCS) software control logic modification may boost the voltage applied to a motor by applying a duty cycle offset to compensate...
Hemispherical radiation detector
A detector is provided that includes a plurality of layered hemispherically shaped elements. Each element is configured to sense the detection of an event. The...
Variable gain constant bandwidth trans-impedance amplifier for fiber optic
A trans-impedance amplifier with gain control for a fiber optic rotation rate sensor. A variable gain amplifier having gain control based on keeping the...
A process for the preparation of an allyloxytrifluoropropene derivative of the formula CF.sub.3CH.dbd.CR.sup.1(OCH.sub.2CR.dbd.CH.sub.2) wherein R.sup.1 is...