| Patent Number |
Title Of Patent |
Date Issued |
| 7582474 |
Process reactor with layered packed bed |
September 1, 2009 |
| Packed bed reactors that have a series of alternating layers of packing. A first packing layer has open body packing elements randomly packed in a layer up to about 10 packing elements deep; and a second packing layer has porous support elements of hydrophobic foam. The porous support |
| 7581397 |
Diffuser particle separator |
September 1, 2009 |
| A diffuser particle separator may be integrated into a gas turbine engine to remove corrosive dust and salt particles from the engine's core air flow. The air flow may pass over a series of particle accumulator entrance orifices, trapping particles in a particle accumulator while all |
| 7581394 |
Variable nozzle device for a turbocharger |
September 1, 2009 |
| A nozzle device for a turbine of a turbocharger according to the present invention comprises variable annular nozzle (2) defined between an inboard wall (3) and an outboard wall (4), wherein said outboard wall (4) is axially movable for completely closing said variable annular nozzle |
| 7580812 |
Trending system and method using window filtering |
August 25, 2009 |
| A trending system and method for trending data in a mechanical system is provided. The trending system includes a sliding window filter. The sliding window filter receives a data set of data points generated by the mechanical system. The sliding window filter partitions the data set into |
| 7580778 |
Methods and systems for controlling multi-body vehicles with fuel slosh |
August 25, 2009 |
| Methods and systems for controlling multi-body vehicles with fuel slosh are provided. In a method for stabilizing a vehicle with fuel slosh, a controller for a multi-body assembly is formed by selecting vehicle configuration and velocity as states of a rigid body. Equations of motion |
| 7580377 |
Systems and method of datalink auditory communications for air traffic control |
August 25, 2009 |
| A system and method for engaging in two-way communication between a pilot and an air traffic controller by speech and hearing processes wherein spoken messages are compared to a database of categorized messages for matching and selecting a categorized message for transmission between |
| 7580234 |
Single threshold current surge limiter circuit with disable function |
August 25, 2009 |
| A circuit which limits current to a first value until a predetermined time has elapsed, then permits the current to rise to a second, acceptable value. The current limiting can be carried out during a predetermined time interval by a biased semiconductor switch. Subsequent to the current |
| 7579879 |
Voting scheme for analog signals |
August 25, 2009 |
| A voting scheme for analog signals is described. An analog block is replicated to provide three analog blocks that are designed to have substantially the same analog output based on receiving substantially the same input. Voting is used to compare the analog outputs from the three an |
| 7579793 |
System and method for efficient wide dynamic range coil drive |
August 25, 2009 |
| Methods and systems are provided for driving one or more force coils. A system for driving force coils is provided including a PWM drive coupled to a first coil and a linear drive coupled to a second coil. The PWM drive efficiently drives the first coil to apply a first force. The li |
| 7578452 |
Ablative composite assemblies and joining methods thereof |
August 25, 2009 |
| A cured ablative composite assembly comprises a housing enclosing a pair of ablative composite sub-assemblies joined by a film adhesive. The cured ablative composite assembly is made by surface treating both ablative composite sub-assemblies in preparation for joining; coupling one a |
| 7578185 |
Resolver-based wheel speed sensor and method of using same |
August 25, 2009 |
| A method of determining a speed of a wheel that involves providing a resolver having a rotor and a stator which resolver produces at least one output signal, operatively connecting the rotor to a wheel such that the resolver is rotated by the rotation of the wheel, producing digital |
| 7578167 |
Three-wafer channel structure for a fluid analyzer |
August 25, 2009 |
| A three-wafer channel or column structure for a fluid analyzer. The structure may have a support member, membrane, or support wafer containing heaters and interactive elements. The membrane may have a channel of one wafer facing the interactive element side and a space of another waf |
| 7578136 |
Integrated power and pressurization system |
August 25, 2009 |
| An integrated power and pressurization management system supplies electrical power and cabin pressurization and cooling air during both airborne and ground operations. The system includes an integral auxiliary power unit (APU) that has a compressor, a motor-generator, and a power tur |
| 7578129 |
Multiple-turbocharger system, and exhaust gas flow control valve therefor |
August 25, 2009 |
| A multiple-turbocharger system for an internal combustion engine includes a first turbocharger comprising a first compressor driven by a first turbine, the first turbine operable to be driven by exhaust gas from the engine; a second turbocharger comprising a second compressor driven by a |
| 7577543 |
Plugged impulse line detection |
August 18, 2009 |
| A digital signal representative of a difference in pressure is received from a differential pressure transmitter. A noise signal is obtained by processing the signal through a band pass filter or otherwise to provide a filtered noise signal. Absolute values of the filtered noise signal a |
| 7577274 |
System and method for counting cars at night |
August 18, 2009 |
| A vehicle identification system distinguishes vehicles in reduced visibility conditions based on the characteristic projection patterns associated with vehicle headlights and their reflections. Recognizing that the appearance of reflections of headlight beams in a camera image is hig |
| 7576684 |
Integrated attitude altimeter |
August 18, 2009 |
| An aircraft electronics system is provided that includes a radar system, a display, an embedded global positioning/inertial navigation system (EGI) and a processor. The radar system is configured to generate aircraft operational data. The display is configured to display the aircraft |
| 7576683 |
Methods and systems for reducing interference caused by antenna leakage signals |
August 18, 2009 |
| In one aspect, a method of radar altimeter operation including a time dependent gain control is described. The method comprises triggering a Sensitivity Time Control (STC) gain control signal at a pulse repetition frequency (PRF) of a transmit pulse to attenuate interference from at |
| 7576624 |
System and method for extending universal bus line length |
August 18, 2009 |
| A system and method for recovering a high frequency component of a slew rate controlled signal propagating along a transmission line enables the high frequency component to be recovered after being lost because of slew rate control and transmission line low pass filtering effects. The sy |
| 7576545 |
Lithium-ion battery prognostic testing and process |
August 18, 2009 |
| In accordance with various embodiments, there are systems and methods for predicting end of life of a Li-ion battery. The method can include at least one of partially charging and partially discharging a battery, measuring an open circuit voltage of the battery before and after at le |
| 7576508 |
Gas turbine engine starter generator with AC generator and DC motor modes |
August 18, 2009 |
| A rotating electrical machine, such as an aircraft starter-generator, that may be operated in either a DC motor mode or an AC generator mode. The machine includes a main stator that is selectively configurable as a multi-pole AC stator and a multi-pole DC stator. The machine also inc |
| 7576470 |
Mechanical packaging of surface acoustic wave device for sensing applications |
August 18, 2009 |
| A method and apparatus, wherein a die is attached to a supporting base structure utilizing a rigid bond adhesive for a SAW (Surface Acoustic Wave) sensor. A rigid bond adhesive with a preferably high glass transition temperature (Tg) can be applied directly between the die and the di |
| 7576459 |
Electric machine with fluid supply control system |
August 18, 2009 |
| An electric machine includes a fluid control system that is configured to regulate the flow rate of fluid to the electric machine. The machine includes a sensor that senses a parameter representative of cooling required by the machine. The sensor supplies a sensor signal to a control |
| 7575799 |
Carbon fiber containing ceramic particles |
August 18, 2009 |
| Small ceramic particles (e.g., of TiC) are incorporated into fibers. The ceramic particles enhance the friction and/or wear properties of a carbon-carbon composite article made with the impregnated or coated fibers. The impregnated fibers can be, e.g., polyacrylonitrile (PAN) fibers, |
| 7575688 |
Apparatus and method for removing sulfur containing compounds from a post-refinery fuel stream |
August 18, 2009 |
| Disclosed are fuel filters and process for removing sulfur-containing compounds from a post refinery fuel stream. In one embodiment, the disclosed process requires passing the post refinery fuel stream through a fuel filter to provide a clean fuel stream having a reduced concentratio |
| 7575196 |
Ice protection system and method including a plurality of segmented sub-areas and a cyclic diver |
August 18, 2009 |
| An ice protection system and method of implementing ice protection for a vehicle includes a plurality of segmented sub-areas each including a leading edge surface subject to the formation of ice thereon. The system further includes a plurality of air ducts, each in fluid communication |
| 7575118 |
Device for transporting and/or storing |
August 18, 2009 |
| The present invention relates to a device for transporting and storing of a powder or liquid medium, comprising (a) a structurally stable outer container having an electrically conducting inner surface, a top side that is open and capable of receiving an inner container, and a bottom |
| 7574333 |
Apparatus and method for modeling relationships between signals |
August 11, 2009 |
| A projection is associated with a first signal and a second signal. The second signal includes a first portion associated with the first signal and a second portion not associated with the first signal. The projection at least substantially separates the first portion of the second signa |
| 7574039 |
Video based fire detection system |
August 11, 2009 |
| A fire detection system has a video sensor, a processor, and a database. The database has a statistical model representing the characteristics of a fire. The video sensor captures images, and sends the images to the processor. The processor computes statistics on the characteristics of |
| 7573575 |
System and method for color measurements or other spectral measurements of a material |
August 11, 2009 |
| A system and method for color measurements or other spectral measurements of a material are provided. An illuminating device generates light for illuminating a sample of material. A detector detects light that has interacted with the sample and provides a measurement of the light that |
| 7573392 |
Backdraft detector |
August 11, 2009 |
| A backdraft detector incorporates at least one oxygen sensor in combination with a flow sensor. Both sensors are coupled to control circuitry which evaluates sensed oxygen levels of a flowing sample being monitored by the flow sensor. |
| 7573370 |
Method and device for storing and distributing information in an RFID tag |
August 11, 2009 |
| An RFID tag has a memory, an RF transceiver that supports long range RF communications with a long range reader, and an interface that supports short range communications with a short range reader over a secure link. The RF transceiver can be used to transmit an ID stored in the memory o |
| 7573272 |
Antenna reconfiguration verification and validation |
August 11, 2009 |
| A method of testing the electrical functionality of an optically controlled switch in a reconfigurable antenna is provided. The method includes configuring one or more conductive paths between one or more feed points and one or more test point with switches in the reconfigurable ante |
| 7573239 |
Circuit for monitoring batteries in a parallel configuration while under load |
August 11, 2009 |
| The invention includes a circuit to monitor batteries arranged in a parallel battery configuration for charge/discharge battery circuit operation. The circuit selectively tests for each battery's presence in a battery holder or receptacle without interrupting circuit discharging oper |
| 7571742 |
Butterfly outflow valve |
August 11, 2009 |
| An outflow valve is disclosed for use in a pressure vessel. The outflow valve includes a dual wall valve housing having a central bore, a butterfly plate assembly and an angled drive shaft. The butterfly plate assembly is designed to fit and rotate within the central bore. The angled |
| 7571607 |
Two-shaft turbocharger |
August 11, 2009 |
| A turbocharger, having an axial compressor wheel and an axial turbine wheel mounted on a first shaft supported by a housing, and a radial compressor wheel and a radial turbine wheel mounted on a second shaft, the second shaft concentrically extending around the first shaft and being |
| 7571597 |
Airframe mounted motor driven lubrication pump control system and method |
August 11, 2009 |
| A system and method for precisely controlling lubricant supply flow to one or more rotating machines in an aircraft includes a motor, a pump, and a motor control unit. The motor is coupled to receive motor speed commands and, in response to the commands, rotates at the commanded motor sp |
| 7571072 |
Energy based position and speed self-sensing method and apparatus for synchronous machine |
August 4, 2009 |
| An envelope of a voltage may be extracted using an operator to calculate a position and speed of a rotor. A position and speed sensing method may include supplying voltage to a stator, coupling the voltage into a rotor, extracting an envelope of the voltage using an operator, and calcula |
| 7571031 |
Systems and methods for broadcasting an unknown airport advisory |
August 4, 2009 |
| Systems and methods for advising a flight crew member that an enhanced ground proximity warning system (EGPWS), for example, may continue to provide terrain alerts, cautions, warnings, or the like because an intended landing site for the aircraft is not recognized within a database o |
| 7570425 |
System, apparatus and method for high efficiency low leakage LCD polarizer |
August 4, 2009 |
| An apparatus for a liquid crystal display includes a polarizer film configured to receive light from a liquid crystal display and an optical polarizer screen configured to filter light for the liquid crystal display. The optical polarizer screen has multiple grooves. Each groove incl |
| 7570205 |
Automatic detection of GPS SA base value for HFOM |
August 4, 2009 |
| An apparatus and method for detecting the type of Selective Availability (SA) engine in a Global Positioning System (GPS) receiver. The apparatus reverse computes a User Equivalent Range Error (UERE) value and filters it. The filtered value is run through a hysteresis to determine the GP |
| 7569796 |
Thermal catalytic ignition system for airborne applications |
August 4, 2009 |
| A power source is provided for a resistive heating element that heats a catalyst bed of a reactor that receives a monopropellant fuel and reacts the fuel in the presence of the catalyst bed to provide hot gas driving a turbine. The power source is a capacitor that discharges its charge |
| 7568883 |
Turbocharger having two-stage compressor with boreless first-stage impeller |
August 4, 2009 |
| A turbocharger with a two-stage compressor having first- and second-stage impellers mounted on a common shaft in a back-to-back configuration. The first-stage impeller has a boreless configuration, defining an unthreaded pilot hole receiving an unthreaded end of the shaft so as to establ |
| 7568802 |
Eye-safe near infra-red imaging illumination method and system |
August 4, 2009 |
| A method and system for eye-safe near infra-red (NIR) optical imaging illumination. An eye of an intended subject are imaged with visible light or NIR light at an unconditionally eye-safe illumination level and the maximum permissible eye-safe NIR illumination that can be applied to the |
| 7568662 |
Emergency flight control system |
August 4, 2009 |
| A method and system for preventing the control of an aircraft from the cockpit. In an exemplary embodiment, the system could be triggered externally. For example, an air traffic control (ATC) station could determine that the aircraft has deviated from its planned flight path. If pers |
| 7568498 |
Engineered composite quiet check valve |
August 4, 2009 |
| A check valve is provided that includes a valve body, a stop mechanism, and a flapper. The valve body includes a flowpath extending therethrough and a pair of stop supports extending axially therefrom. The valve body includes an engineered composite. The stop mechanism is integrally form |
| 7568340 |
Exhaust gas recirculation mixer |
August 4, 2009 |
| The present invention provides an exhaust gas recirculation mixer for use with a long route (i.e., low pressure) EGR system adapted for use in a turbocharged internal combustion engine. The mixer comprises an outer wall and an inner wall defining a cavity therebetween, a chamber defined |
| 7568339 |
Control for variable geometry compressor |
August 4, 2009 |
| An exemplary controller for a variable geometry compressor includes one or more inputs for receiving engine operating information and for receiving a signal representative of geometry of a variable geometry compressor and control logic to call for actuation of an actuator based at least |
| 7568338 |
Multi-piece compressor housing |
August 4, 2009 |
| An exemplary compressor housing includes an axis to coincide with a rotational axis of a compressor wheel housed by the compressor housing, an inlet insert that includes an inlet port and a compressor wheel shroud portion that extends away from the inlet port to a ridge and a base co |
| 7567859 |
Methods and apparatuses for control of building cooling, heating and power co-generation systems |
July 28, 2009 |
| A control system and method for achieving economic operation of CHP systems. A plurality of factors, including power source prices and operational needs, are assessed using multiple strategies. The solutions achieved by each strategy are compared, and the best performing strategy is |
