| Patent Number |
Title Of Patent |
Date Issued |
| 7531980 |
Aircraft cabin pressure controls: duty cycle offset to compensate for asymmetric motor loading i |
May 12, 2009 |
| 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 for asymmetric motor loading. The motor may be part of an open-loop system for operating a butterfly valve that may regulate |
| 7531811 |
Hemispherical radiation detector |
May 12, 2009 |
| 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 detector further includes a lead for each element. Each lead is configured to pass a detection signal when its associate ele |
| 7531783 |
Variable gain constant bandwidth trans-impedance amplifier for fiber optic rate sensor |
May 12, 2009 |
| 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 amplifier output above a certain level. The gain control approach allows the amplifier bandwidth to remain constant. A gain control |
| 7531701 |
Allyloxytrifluoropropenes |
May 12, 2009 |
| 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 hydrogen, fluoro, or an allyloxy group represented by the formula --OCH.sub.2CR.dbd.CH.sub.2 wherein R is hydrogen or methyl inc |
| 7531426 |
Approach to high temperature wafer processing |
May 12, 2009 |
| At temperatures near, and above, 385.degree. C., gold can diffuse into silicon and into some contact materials. Gold, however, is an excellent material because it is corrosion resistant, electrically conductive, and highly reliable. Using an adhesion layer and removing gold from the |
| 7531363 |
Particle detection using fluorescence |
May 12, 2009 |
| Detection systems and methods for capturing and analyzing particles within a particle sample are provided. The detection system may include, for example, a particle concentrator that can be used to collect and concentrate particles on a sample collection surface, an energy source for |
| 7531220 |
Method for forming thick quasi-single phase and single phase platinum nickel aluminide coatings |
May 12, 2009 |
| A quasi-single phase or single phase thick platinum nickel aluminide coating and methods for forming the coating over a nickel-based superalloy substrate are provided. The method includes the steps of forming a metal layer over a surface of the nickel-based superalloy substrate, the |
| 7531137 |
Substance detection system |
May 12, 2009 |
| A substance detection system having an electronic nose and classifier. The system may extract feature from the electronic signals representing the smells from the electronic nose sensing an unknown substance. The features may be formatted as smellprints that are synthesized as data. |
| 7531048 |
On-wing combustor cleaning using direct insertion nozzle, wash agent, and procedure |
May 12, 2009 |
| A cleaning method for a combustor comprises positioning a spray portion of a nozzle through an igniter plug boss and spraying an acid solution inside the combustion chamber. The acid solution impinges the inner liner and the outer liner, dissolving contaminant deposits inside the effusio |
| 7530826 |
Sealed cavity with vent hole method and apparatus for use in sensor modules |
May 12, 2009 |
| A method and apparatus for creating a sealed cavity includes a housing assembly (100) incorporating a molded connector (110) with an interior portion formed into a cavity (170) and a vent hole (160) that communicates with the cavity (170). The vent hole (160) permits escape of gas ge |
| 7530257 |
Phased micro analyzer VIII |
May 12, 2009 |
| A micro fluid analyzer that may be highly sensitive, fast and very compact. The analyzer may use sufficiently low power per analysis to be easily implemented with an equivalently small battery pack or other portable power source. There may be energy conservation features in the analy |
| 7530228 |
Integrated turbocharger lubricant filter system |
May 12, 2009 |
| An exemplary center housing for a turbocharger includes a lubricant control valve that includes a stem seated at least partially in the center housing where the stem has one or more orifices for controlling lubricant flow. The exemplary center housing also includes a lubricant filter |
| 7530222 |
Hydraulic apparatus, system and method for positioning an engine exhaust flow control valve |
May 12, 2009 |
| A hydraulic assembly and method for use with an vehicle engine exhaust flow control valve for controlling flow to at least one intake supply. The assembly has an actuator, such as a spring return piston cylinder, for positioning the control valve. An inlet passage, communicating with |
| 7529646 |
Intelligent video for building management and automation |
May 5, 2009 |
| A video processing and analysis system is coupled to a building management and control system. The video processing system provides traffic, occupancy, and other information derived from video images of sections of the building and its environs to the building management and control |
| 7528958 |
Optical scanner for measuring sheet properties |
May 5, 2009 |
| An optical scanner for use in conjunction with an infrared spectrometer is disclosed. The optical scanner translates a beam of radiation to a stationary spot on a traveling sheet of material so that ample integration time within the spectrometer is achieved. The beam path impinges on |
| 7528717 |
Tamper detection mechanism for blind installation of circular sensors |
May 5, 2009 |
| A tamper detection mechanism in a sensor device comprising a body and a mounting base. The sensor device includes a substantially central resilient element/plunger attached to the mounting base. The body houses a printed circuit board includes a surface for mating to the resilient el |
| 7528586 |
Harmonics related synchronization for switching regulators |
May 5, 2009 |
| Disclosed is a system and method for synchronizing switching regulators in an electronic system so that switching interference from the regulators may be kept from a given spectral region of interest. The system does this by selecting a fundamental frequency such that each of the switchi |
| 7528356 |
Method and system for optical distance and angle measurement |
May 5, 2009 |
| A contactless precision, optical distance and angle measurement method and system optically measuring the position of a moveable object, the bending of the object, the torque applied to the object and the object's rotational velocity. The present invention includes a plurality of sec |
| 7527994 |
Amorphous silicon thin-film transistors and methods of making the same |
May 5, 2009 |
| The present invention provides amorphous silicon thin-film transistors and methods of making such transistors for use with active matrix displays. In particular, one aspect of the present invention provides transistors having a structure based on a channel passivated structure wherein th |
| 7527524 |
Tool-less compression connector for coaxial cables |
May 5, 2009 |
| A connector includes a barrel defining a cavity. A front portion is configured to removably mate with the barrel. An electrically conductive elongated pin is positioned in the opening of the front portion and the cavity of the barrel. The pin extends through a distal end of the front |
| 7527187 |
Titanium braze foil |
May 5, 2009 |
| The present invention provides a braze foil comprising titanium and zirconium layers covered by one or more layers of copper, nickel or an alloy of copper and nickel such that neither the zirconium or titanium layers are exposed to the atmosphere. The braze foil may further be layere |
| 7527129 |
Brake carrier having improved electromechanical actuator and mounting arrangement therefor |
May 5, 2009 |
| A brake actuator includes a carrier (10) having a centerline (11), a periphery and a radial slot (16) in the periphery, and an EMA (20), including an electric motor (30) having a longitudinal centerline (31) and a ram (34) having a longitudinal centerline (35) operatively connected t |
| 7527069 |
Electromagnetic split flapper pressure relief valve |
May 5, 2009 |
| A pressure relief check valve system includes a valve body, a flapper, a magnet, an electromagnet, and a pressure sensor circuit. The flapper is rotationally mounted on the valve body and is movable between a closed position and an open position. The magnet is coupled to the flapper, and |
| 7526921 |
Auxiliary power unit with integral firebox |
May 5, 2009 |
| An auxiliary power unit (APU) with integral firebox provides an integral unit for aircraft to utilize an APU without the use of a separate firebox. The present invention comprises a turbomachine intake air duct secured to an enclosure, the enclosure having a bleed air port extending |
| 7525474 |
Integrated distance measuring equipment and transponder system and method |
April 28, 2009 |
| A combined transponder and DME system for use in an aircraft. An L Band transmitter is shared between transponder and DME. |
| 7525266 |
Inverter loop latch with integrated AC detection reset |
April 28, 2009 |
| A first illustrative embodiment includes an actuator having both a Run state and a Hold state, the actuator including circuitry for detecting power supply abnormalities and causing the Run state to occur following a power supply abnormality. In another illustrative embodiment, the presen |
| 7524805 |
Azeotrope-like compositions of tetrafluoropropene and hydrofluorocarbons |
April 28, 2009 |
| Provided are azeotrope-like compositions comprising tetrafluoropropene and hydrofluorocarbons and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants. |
| 7523816 |
Method and brake assembly retention device with automatic operation |
April 28, 2009 |
| A method and a brake assembly retention device are disclosed. The method discloses the automatic operation of the brake assembly retention device to retain releasably the brake assembly upon a stationary member. |
| 7523762 |
Modulating gas valves and systems |
April 28, 2009 |
| Modulating gas valves and systems for modulating gas flow to gas-fired appliances are disclosed. An illustrative modulating gas valve can include at least one main valve adapted to regulate the flow of gas through a main gas conduit, at least one regulator for regulating the gas pres |
| 7523661 |
Methods and systems for liquid volumetric measurement |
April 28, 2009 |
| An apparatus for measuring a volume of liquid within a vessel is described. The apparatus includes a plurality of devices each having electrical properties that are dependent on a temperature of the device, a constant current source coupled to the plurality of devices, and a unit con |
| 7523368 |
Diagnostics unit using boundary scan techniques for vehicles |
April 21, 2009 |
| A test system including a diagnostics unit comprising a plurality of diagnostics-unit interfaces to communicatively couple the diagnostic unit to a plurality of units under test and a unit diagnostic communication port via which a unit diagnostic control device is communicatively cou |
| 7523020 |
Apparatus and method for dynamic smoothing |
April 21, 2009 |
| An apparatus and a method for receiving and processing noisy communications signals automatically varies multiple processing parameters to both improve signal-to-noise ratio and to minimize delays in responding to changes in the incoming signal. The signal-to-noise ratio is improved |
| 7522897 |
Adaptable DC offset correction |
April 21, 2009 |
| Methods and systems for adaptable DC offset correction are provided. An exemplary adaptable DC offset correction system evaluates an incoming baseband signal to determine an appropriate DC offset removal scheme; removes a DC offset from the incoming baseband signal based on the appro |
| 7522685 |
Resynchronizing timing sync pulses in a synchronizing RF system |
April 21, 2009 |
| A synchronizing method and system between a Radio Frequency (RF) transmitter and a battery powered receiver wherein the transmitter transmits short duration first periodic sync signals which are used by the receiver to maintain proper synchronization of the receiver with the transmit |
| 7522284 |
Optical resonator gyro and method for reducing resonance asymmetry errors |
April 21, 2009 |
| Methods and apparatus are provided for attenuating rotation rate errors in a resonator gyro. The gyro includes a ring resonator having a hollow core optical fiber coil and optical elements that are selected and/or oriented to reduce stray light that may be present in input light beams in |
| 7522096 |
Method for phase calibrating antennas in a radar system |
April 21, 2009 |
| A method for phase calibrating antennas in a radar system is disclosed. The method comprises providing a transmit antenna and two or more receive antennas, the receive antennas each in communication with a respective receiver channel. A radio frequency pulse having a leakage pulse is |
| 7522090 |
Systems and methods for a terrain contour matching navigation system |
April 21, 2009 |
| Systems and methods for terrain contour matching navigation are provided. In one embodiment, a method for terrain contour matching navigation comprises: receiving at least one sample point representing the position of an aircraft, the at least one sample point including a horizontal |
| 7521286 |
Methods of refining lead-containing materials |
April 21, 2009 |
| The invention includes solder materials having low concentrations of alpha particle emitters, and includes methods of purification of materials to reduce a concentration of alpha particle emitters within the materials. The invention includes methods of reducing alpha particle flux in var |
| 7520975 |
Estimation of localised corrosion penetration |
April 21, 2009 |
| The present invention provides a method and apparatus for estimation of general and localized corrosion penetration rates of metallic materials and objects. The invention can also be used to discriminate between general and localized corrosion. A one, two or three electrode probe hav |
| 7520051 |
Packaging methods and systems for measuring multiple measurands including bi-directional flow |
April 21, 2009 |
| A packing method and system for measuring multiple measurands including bi-directional flow comprises of sampling ports arranged within a flow tube in a symmetrical pattern. The ports are arranged symmetrically with respect to the X and Y centerlines of the flow tube. In addition, the |
| 7518730 |
Apparatus and method for chemical sensing |
April 14, 2009 |
| A chemical detector for detecting predetermined chemicals. The chemical detector includes an optical fiber and a polymer having a high fractional free volume higher than about 0.1 that clads a length of the optical fiber. The optical fiber is arranged within an optical resonator. The |
| 7518713 |
Passive-optical locator |
April 14, 2009 |
| A system comprising an imaging device and a passive-optical range-finder to focus, on the imaging device, a magnified image of a target positioned in a focal plane of the passive-optical range-finder. The system receives information indicative of a target type and generates information |
| 7518547 |
Method and system of interference detection for radar altimeters |
April 14, 2009 |
| A method of detecting interference noise at a radar altimeter. The method comprises periodically emitting a pulse from the pulsed radar altimeter, periodically detecting a noise level in a noise gate, and determining if the noise level detected during each noise-level-detection period ex |
| 7518507 |
Method and system to detect tampering of a closed chassis using a passive fiber optic sensor |
April 14, 2009 |
| A passive optical anti-tamper system including one or more light pipes, one or more light detectors and an alarm. The light pipes each include an input end and an output end and are located within a chassis with the one or more light detectors. The one or more light detectors are optical |
| 7518506 |
Security system reporting events through e-mail messages |
April 14, 2009 |
| Security system communication with a user device via electronic means, including via e-mail transmitted over the internet are provided. A security system interface receives a signal indicating an occurrence of an event, such as a fault or alarm condition, in a zone of the security sy |
| 7518380 |
Chemical impedance detectors for fluid analyzers |
April 14, 2009 |
| A chemical impedance detector having several electrodes situated on or across a dielectric layer of a substrate. The electrodes may be across or covered with a thin film polymer. Each electrode may have a set of finger-like electrodes. Each set of finger-like electrodes may be interm |
| 7518219 |
Integrated heat spreader lid |
April 14, 2009 |
| 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 isolation regions. The strain isolation regions are located between the center region and the outer periphery region and may comprise |
| 7518133 |
Integrated searchlight lighthead |
April 14, 2009 |
| A lighthead for a dual-mode searchlight including a generally concave housing with an attached infrared (IR) light source assembly, an insulating barrier and air gap between the visible and IR portions of the assembly, and a reflector integral to the housing. |
| 7517417 |
Tantalum PVD component producing methods |
April 14, 2009 |
| A method for producing a tantalum PVD component includes a minimum of three stages, each of which include a deformation step followed by a high-temperature anneal. The deformation occurs in air and at a component temperature less than or equal to 750.degree. F. in at least one of the |
| 7517381 |
Devices and methods for chemical reactive filtration |
April 14, 2009 |
| A gas contaminant is filtered using fibers having internal cavities containing a chemically reactive oxidizing agent, an acid or base, a coordinating agent, a complexing agent, or a deliquescing agent. Where the contaminant is basic, the reagent is preferably an oxidizing agent. Wher |
