| Patent Number |
Title Of Patent |
Date Issued |
| 7549916 |
Cabin pressure control system and method that implements high-speed sampling and averaging techn |
June 23, 2009 |
| An aircraft cabin pressure control system and the method implement a technique that oversamples and filters a sensed cabin pressure signal, and then differentiates the oversampled and filtered pressure signal to generate cabin pressure rate-of-change. The oversampling and filtering t |
| 7549605 |
Electric flight control surface actuation system for aircraft flaps and slats |
June 23, 2009 |
| An aircraft flight control surface actuation system includes a plurality of electric motors-driven flap actuators, and a plurality of electric motor-driven slat actuators. The motor-driven actuators receive activation signals from flap and slat actuator controllers and is, in respons |
| 7549516 |
Elevator door interlock |
June 23, 2009 |
| An elevator door interlock incorporates cast parts thereby drastically reducing the number of parts required for assembly. Other elements are also incorporated to further reduce complexity in manufacturing, servicing, and configuration. |
| 7549317 |
Particle-based flow sensor |
June 23, 2009 |
| A fluid conveyance apparatus having more than one particulate matter sensing probe situated at two or more locations on the apparatus. Signals from the probes from at least two locations may indicate particulate matter flowing within a fluid through the conveyance apparatus. The times |
| 7549206 |
Shell flow sensor |
June 23, 2009 |
| 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 shells can then be configured upon the substrate whose walls form a flow channel. The flow channel is fabricated directly upon |
| 7548488 |
Airborne acoustic sensor array |
June 16, 2009 |
| 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 of autonomous flight. The array may be large in diameter, approximately one meter or greater. The apparatus is capable of n |
| 7548452 |
MRAM read bit with askew fixed layer |
June 16, 2009 |
| 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 layer has a magnetization direction that is tilted with respect to an easy axis of the storage layer. By applying a magnetic |
| 7548188 |
Precision radio frequency delay device |
June 16, 2009 |
| 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 time interval, providing an RF signal when a start pulse triggers a memory device, initiating a count through the delay time i |
| 7548183 |
Systems and methods for automatically disabling a TCAS broadcast |
June 16, 2009 |
| Systems and methods for automatically disabling the TCAS Broadcast when aircraft join up in formation. A Traffic Collision Avoidance System (TCAS) determines if the aircraft is approaching formation flight with other aircraft or flying in formation with other aircraft and disables a |
| 7548088 |
Systems and methods for current management for digital logic devices |
June 16, 2009 |
| 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 comprises drawing power to drive a digital logic integrated circuit; determining a priori information about an impending curren |
| 7547228 |
Joining means for device components |
June 16, 2009 |
| A joining means for thermally insulating and electrically coupling a first component and a second component at an interface. The joining means including a joining bolt, at least one thermally insulating spacer, and an electrically conductive bracket. The at least one thermally insulating |
| 7547186 |
Nonlinearly stacked low noise turbofan stator |
June 16, 2009 |
| 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. The stator is in an axial fan or compressor turbomachinery stage that is comprised of a collection of vanes whose highly thr |
| 7547185 |
Output shaft air/oil separator to redundantly protect against output shaft o-ring leakage |
June 16, 2009 |
| 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 passage, an output shaft disposed at least partially within the spline shaft cavity that has a first section spaced apart |
| 7546772 |
Piezoresistive pressure sensor |
June 16, 2009 |
| 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 piezoresistive material to form a first resistor and may have associated electrodes. The polymer element includes a first resistance |
| 7546737 |
Segmented effusion cooled gas turbine engine combustor |
June 16, 2009 |
| 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 or more initial rows of effusion cooling holes, one or more final rows of effusion cooling holes disposed downstream of the one |
| 7546171 |
Method, apparatus and system for recovery of a controller with known-compatible configuration an |
June 9, 2009 |
| A method includes obtaining current structural information describing a current structure of a process control system and retrieving from a checkpoint file stored structural information describing a previous structure of the process control system. If the current structural informati |
| 7545971 |
Method and apparatus for measuring the crepe of a moving sheet |
June 9, 2009 |
| An image-based measurement technique that directly measures the crepe pattern on a moving sheet employs a suitable arrangement of illumination, optical elements, and an imaging device to obtain digital images of the sheet surface. The image resolution is sufficient to represent tissue |
| 7545263 |
Audio-based presentation system |
June 9, 2009 |
| 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 real-time and current data of the on-going situation (e.g., a building fire). The information may be relayed to the first |
| 7545197 |
Anti-logarithmic amplifier designs |
June 9, 2009 |
| An anti-exponential amplifier produces an output signal that is an exponential/anti-logarithmic function of an input signal. The amplifier includes three function generators and a low-pass filter. The first function generator produces a periodic exponential waveform based upon a resi |
| 7545115 |
Motor control and driver for electric boosting application |
June 9, 2009 |
| The invention proposes a system for driving a compressor, comprising an induction motor (2) for driving the compressor (3), said induction motor including a squirrel cage rotor, and a controller (1) for controlling the induction motor, said controller comprising a memory for storing driv |
| 7544306 |
Azeotropic fumigant compositions of methyl iodide |
June 9, 2009 |
| 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). The compositions are present as a gas, at temperatures of about 30.degree. C. or below. The inventive compositions serve as |
| 7543604 |
Control valve |
June 9, 2009 |
| 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 plate, and in some cases a lower main plate, may be disposed within the valve body. A control valve that includes an upper c |
| 7543572 |
Hydrocarbon adsorber for air induction systems |
June 9, 2009 |
| An inlet conduit for an engine air induction system, comprising: a plurality of openings located about the inlet conduit; a hydrocarbon vapor-adsorbent member disposed on an exterior surface of the inlet conduit, the hydrocarbon vapor-adsorbent member covering the plurality of openin |
| 7541565 |
Tracking a moving object from a camera on a moving platform |
June 2, 2009 |
| A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an imaging device positioned in a vehicle and implementing exponentially stabilizing control laws based on the determined tra |
| 7540632 |
Spectrally controlled display backlight emissions for night vision imaging system compatibility |
June 2, 2009 |
| A lighting assembly topology that utilizes spectrum controlling materials to render the illumination compatible with night vision imaging systems. The lighting assembly can be used as either a general illumination source or can be used as a backlight for a transmissive display such as a |
| 7540468 |
Angled poppet valve manual override mechanism |
June 2, 2009 |
| 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 lock. The valve body includes an inlet port, an outlet port, and a flow passage extending therebetween. The valve element is |
| 7540467 |
Actuator assembly with rotational coupler in-line with rotational valve shaft |
June 2, 2009 |
| An actuator assembly including an actuator housing assembly having a linear drive mechanism disposed at least partially therein. A linear variable differential transducer (LVDT) is coupled to the linear drive mechanism and configured to eliminate rotation of the linear drive mechanis |
| 7540142 |
Multiple auxiliary power unit system inlet ducts controlled by a single actuator |
June 2, 2009 |
| 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 APU inlet and cooling system inlets from each other. The system includes either one or two inlet doors, depending on the number |
| 7540083 |
Method to modify an airfoil internal cooling circuit |
June 2, 2009 |
| 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 the airfoil having a leading edge, a trailing edge, and a first and a second wall therebetween, each wall having an inner and an |
| 7539047 |
MRAM cell with multiple storage elements |
May 26, 2009 |
| 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 contact. The MRAM cell is nonconductive between the first and second MTJ. The first MTJ may include a first free layer with a |
| 7538882 |
Systems and methods for assisting start of electrodeless RF discharge in a ring laser gyro |
May 26, 2009 |
| Systems and methods for starting and operating an electrodeless RF discharge ring laser gyro. In one example, an electrodeless RF discharge ring laser gyro system includes a ring laser gyro, a starting circuit, an RF power source, and a controller. The starting circuit is electrically |
| 7538781 |
Methods and apparatus for displaying information |
May 26, 2009 |
| A display system according to various aspects of the present invention provides systems and methods for an integrated graphical user interface which facilitates the interactive and dynamic display aircraft data. In accordance with various aspects of the present invention, a user (e.g., a |
| 7538454 |
Leakage current shunt in an electrical power distribution system utilizing solid state relays |
May 26, 2009 |
| The invention provides an apparatus for shunting leakage current of a solid state switching device (SSSD) (10). The apparatus selectively provides a shunt pathway to divert current away from the output load based on the switching state of the SSSD. The apparatus may include a shunt i |
| 7538297 |
Appliance control with ground reference compensation |
May 26, 2009 |
| Appliance control with ground reference compensation is provided. Ground reference compensation can be desirable when a device or component of an appliance is powered by a higher power source, and is controlled by a controller that is powered by a lower power source. In such a situation, |
| 7537702 |
Water purification system and modes of operation |
May 26, 2009 |
| A water purification system comprising a thermal hydrolysis catalytic reactor, an adsorbent media bed and a reverse osmosis unit is provided. The water purification system may provide potable water from non-potable water, such as non-potable water contaminated with chemical warfare a |
| 7537022 |
Valve actuator assembly |
May 26, 2009 |
| 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 first diameter and a second portion having a second diameter that is greater than the first diameter. A position sensor ha |
| 7536865 |
Method and system for balancing bleed flows from gas turbine engines |
May 26, 2009 |
| 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 bleed air flow path (12) including a flow rate sensor (19), and a circuit (52, 200) outputting at least one flow rate setpoint |
| 7535684 |
Overspeed protection for sensorless electric drives |
May 19, 2009 |
| Overspeed protection of sensorless electric drives is needed in the aerospace industry. Methods for overspeed protection may include software implementations, hardware implementations or combinations thereof. Typical high-speed rotating machinery is designed to sustain overspeed oper |
| 7535576 |
Integrated optical rotation sensor and method for sensing rotation rate |
May 19, 2009 |
| 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 includes a substrate having an insulator layer, a silicon waveguide formed on the insulator layer, and a resonator coupled to the |
| 7535574 |
Baseplate for a ring laser gyroscope |
May 19, 2009 |
| A path length control driver for a ring laser gyroscope includes a baseplate, a number of piezoelectric elements, and electrodes. The baseplate includes openings selectively sized and located on the baseplate for reducing distortion thereof during thermal or other mechanical loading. |
| 7535405 |
Method and apparatus for a multifunction radio |
May 19, 2009 |
| A multifunction radio for receiving radio signals from and sending transmissions to multiple radio systems comprises an antenna and a transmit/receive switch coupled to the antenna. The radio further comprises a receiver section coupled to the transmit/receive switch and configured t |
| 7535381 |
Converting voice weather data into data for display in an aircraft cockpit |
May 19, 2009 |
| 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 visual data, and displaying the visual data to the pilot in the aircraft cockpit. |
| 7535373 |
Security techniques for electronic devices |
May 19, 2009 |
| Systems and methods for protecting electronic and other sensitive devices in the event of security breaches such as physical intrusion or access, tampering, and attempts at reverse engineering. One aspect of the present invention provides security systems and methods that utilize an acti |
| 7535354 |
Proxemics sensor |
May 19, 2009 |
| 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 in a medium other than vacuum and the prong has a frequency of vibration that substantially matched a frequency of vibration of |
| 7535264 |
Methods and systems for comparing currents using current conveyor circuitry |
May 19, 2009 |
| 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 and a second current through a second X leg of a second current conveyor circuit. The method further includes draining a third |
| 7535007 |
Multiple chamber dual channel infrared gas detection system |
May 19, 2009 |
| A gas sensor usable in harsh environments includes a multiple chamber radiant energy transmission path which extends between a multi-channel emitter and a multi-channel detector. Chamber length and gas selection are establishable using a movable element with an aperture. The element |
| 7534366 |
Compositions containing fluorine substituted olefins |
May 19, 2009 |
| The use of pentafluoropropene (HFO-1225) and tetrafluoropropene (HFO-1234) in refrigeration equipment is disclosed. These materials are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing |
| 7534356 |
Apparatus for disinfecting fluid using ultraviolet radiation |
May 19, 2009 |
| 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 and the ultraviolet radiation propagates through the flow tube via total internal reflection. |
| 7533584 |
Systems and methods for temperature compensating torque sensors |
May 19, 2009 |
| Apparatus, systems, and methods are provided for temperature compensating a torque sensor. One apparatus includes a shaft temperature detector and a temperature compensation circuit configured to alter tensile and compression voltages representative of tensile and compression stress, |
| 7533070 |
Automatic fault classification for model-based process monitoring |
May 12, 2009 |
| A computer implemented method, system and program product for automatic fault classification. A set of abnormal data can be automatically grouped based on sensor contribution to a prediction error. A principal component analysis (PCA) model of normal behavior can then be applied to a set |
