| Patent Number |
Title Of Patent |
Date Issued |
| 7515271 |
Wavelength calibration in a fiber optic gyroscope |
April 7, 2009 |
| Methods and apparatus are provided for calibrating a fiber optic gyroscope (FOG) to compensate for wavelength fluctuations. The wavelength of the light propagating in the gyroscope is accurately determined by obtaining wavelength indicia for light originally produced by the sensor light |
| 7515092 |
Sub-frame synchronized residual radar |
April 7, 2009 |
| A method of using a wireless communication system to determine locations is provided. The method including exchanging communication frames between at least two synchronized nodes in the communication system, wherein each communication frame includes at least one of data signals and radar |
| 7515091 |
Method and system for communicating using pulsed radar signal data links |
April 7, 2009 |
| A method and system for communicating using pulsed radar signal data links is disclosed. The method comprises encoding downlink data with a signature sequence as a secondary function onto a continuous wave pulse signal having a primary function at a master device. The data-encoded pu |
| 7515069 |
Multifunctional avionic display |
April 7, 2009 |
| A display screen for displaying multiple sets of information is provided. The display screen includes at least one region of a select color designated to convey a first set of information and a plurality of adjustable areas designated to convey a second set of information. The plural |
| 7515019 |
Non-contact position sensor with sonic waveguide |
April 7, 2009 |
| An apparatus and method for measuring the position of a member. The apparatus has a sonic waveguide, a generator for generating an interrogation sonic wave at a first position in the sonic wave guide, and a transducer for converting the interrogation sonic wave, at a second position |
| 7514972 |
Differential charge pump with open loop common mode |
April 7, 2009 |
| A differential charge pump with common mode and active regulators is presented. Either type of regulator may be used to improve the performance characteristics of the differential charge pump. The active regulator increases the output range of the differential amplifier. The common m |
| 7514841 |
Glass based packaging and attachment of saw torque sensor |
April 7, 2009 |
| A glass cover wafer is bonded to a quartz SAW using glass frit technology, such that the glass wafer and glass frit formulation provides a thermal coefficient of expansion (TCE) of glass that fits the average TCE of the quartz in two perpendicular directions in a unique package. A dicing |
| 7514806 |
Engine start system with quadrature AC excitation |
April 7, 2009 |
| A starter-generator system may be used to supply sufficient starting torque to start an aircraft main engine. The main starter-generator stator winding may be connected to a constant frequency (CF) power source to create a rotating field in the main starter-generator air gap. This ro |
| 7514588 |
Purification of organic solvents |
April 7, 2009 |
| The present invention is directed to processes for producing a high purity organic solvent from a crude organic solvent comprising providing a stream of crude organic solvent comprising a first amount of at least one impurity and adsorbing at least one impurity contained in said crude |
| 7514285 |
Isolation scheme for reducing film stress in a MEMS device |
April 7, 2009 |
| A method of electrically isolating a MEMS device is provided. In one example, a piezo-resistive pressure sensor having an exposed silicon region undergoes a Local Oxidation of Silicon (LOCOS) process. An electrically insulating structure is created in the LOCOS process. The insulatin |
| 7513975 |
Cross-direction actuator and control system with adaptive footprint |
April 7, 2009 |
| A method and system for controlling one or more properties of a sheet of material to be manufactured on a sheet-making machine is disclosed. Actuators to control the sheet properties are arrayed in the cross-direction of the machine. Properties data about one or more properties of th |
| 7513627 |
Image projection system with vibration compensation |
April 7, 2009 |
| A projection system includes a vibration controlling structure. The projection system includes an imaging unit mounted to a movable platform via a partially compliant mount structure, such that the imaging unit is partially isolated from the platform while projecting an image which is |
| 7513170 |
Magnetic shear force sensor |
April 7, 2009 |
| A shear sensor includes a stator structure, a transformer, and a ferromagnetic core. The stator structure distorts in two perpendicular axes upon application thereto of a shear force. The transformer is coupled to the stator structure, and includes a primary winding and a pair of dif |
| 7513164 |
Single diaphragm ATF differential pressure transducer |
April 7, 2009 |
| An advanced thick film (ATF) pressure transducer can be produced from an advanced thick film stack on a metallic substrate. The metallic substrate has a flexible metallic diaphragm that flexes when there is a pressure differential across its top and bottom surfaces. The conductive and |
| 7513149 |
Robust MEMS flow die with integrated protective flow channel |
April 7, 2009 |
| A MEMS flow sensor has a flow channel that avoids wire bond pads and ancillary circuit elements. A fluid can move from the bottom of the sensor substrate, though an inlet hole, over a sensing element on the top of the substrate, and then through an outlet hole. The inlet hole and the |
| 7513101 |
Synchronized motor thrust reverser actuation system |
April 7, 2009 |
| A thrust reverser actuation system is provided that includes a synchronization system that synchronizes the actuation of at least two actuators coupled to at least two power drive units. The synchronization system includes a first synchronization shaft coupling the first power drive |
| 7512714 |
System and method for transmitting ACARS messages over a TCP/IP data communication link |
March 31, 2009 |
| An ACARS messaging system according to the invention is deployed when a TCP/IP subnetwork is available to the aircraft. ACARS messages are encoded into ASN.1 notation and translated to become compliant with the TCP/IP suite of protocols. A wireless subnetwork provides the initial acc |
| 7512500 |
Method for sensor initialization in a structural health management system |
March 31, 2009 |
| A method for initializing a chain of non-initialized data collectors is disclosed. The chain of non-initialized data collectors are coupled to a controller. In a first step communication between the controller and each data collector in the chain of non-initialized collectors is disabled |
| 7512493 |
High speed gyrocompass alignment via multiple Kalman filter based hypothesis testing |
March 31, 2009 |
| A method of aligning a gyro-compass comprising operating at least two Kalman filters in a set of Kalman filters to generate an error correction to at least a single navigation solution in a set of navigation solutions in order to provide coarse alignment azimuth convergence. The method |
| 7512466 |
High-torque, low power reaction wheel array and method |
March 31, 2009 |
| Methods and apparatus are provided for reaction wheel (RW) assemblies for spacecraft. The apparatus comprises a M/G coupled to an inertia wheel and a controller coupled to the M/G that, in response to commands it receives, couples power to or from an M/G of another RW assembly over a |
| 7511719 |
Method, system, and computer product for performing trapezoidal reduction of polygons and interr |
March 31, 2009 |
| A method, system, and computer program product for rendering an image to available display area based on parameters of one or more unusable display areas. The method includes determining one or more trapezoids for defining the available display area based on the parameters of the one or |
| 7511696 |
Display with reduced power light source |
March 31, 2009 |
| A display includes a backlight comprising light sources. The light sources are divided into sections. The display also includes a transmissive display panel positioned adjacent to the backlight, a diffuser positioned between the backlight and the transmissive display panel, and a control |
| 7511623 |
In-residence monitoring system incorporating voice output |
March 31, 2009 |
| A system for monitoring health related parameters of an individual can determine the existence of one or more health related conditions that may need attention. Verbal messages, responsive to the determined condition, can be automatically transmitted via one or more communications networ |
| 7511525 |
Boundary-scan system architecture for remote environmental testing |
March 31, 2009 |
| A system including a chassis operable to receive a plurality of physical application modules and a test port via which an external test device is communicatively coupled to the system. Each physical application module includes a module bridge interface and boundary-scan test functionalit |
| 7511478 |
Sensorless position measurement method for solenoid-based actuation devices using inductance var |
March 31, 2009 |
| A sensorless position measurement method may be used to determine the position of a solenoid-based actuator which controls some substance. The sensorless position measurement method of the present invention eliminates the need for a dedicated sensor in the actuator device, as well as |
| 7510652 |
Filter and system apparatus for removing sulfur-containing compounds from liquid fuels |
March 31, 2009 |
| A fuel filter for removing fuel impurities, particularly thiophenes, includes a hollow housing having a filter element therein. The filter element includes a substrate, which may include a nonwoven fiber web, a plurality of particles, or both of these. Where particles are used, the s |
| 7510380 |
Non-parallel spacer for improved rotor group balance |
March 31, 2009 |
| The present invention provides apparatus and methods for balancing stacked components of rotating machinery, such as in a gas turbine engine. Unlike conventional processes and devices for balancing stacked components, the present invention may use a single non-parallel spacer for obtaini |
| 7510374 |
Non-concentric rings for reduced turbo-machinery operating clearances |
March 31, 2009 |
| Rings having holes with a centerline offset from the centerline of the outer diameter, or other diameter piloting feature of the ring (i.e., non-concentric rings) may be used to align rotating components within their static components. Two non-concentric rings may be used to support |
| 7510370 |
Turbine blade tip and shroud clearance control coating system |
March 31, 2009 |
| A turbine blade tip and shroud clearance control coating system comprising an abrasive blade tip coating and an abradable shroud coating are provided. The abrasive layer may comprise abrasive particles of cubic zirconia, cubic hafnia or mixtures thereof, and the abradable layer may b |
| 7510195 |
High temperature and high pressure compressor piston ring |
March 31, 2009 |
| A piston ring for use at temperatures above 350.degree. F. at pressures greater than or equal to about 2000 psi, comprising a gap having a gap width about 1.4 to about 2.0 times greater than a thickness of the piston ring; a height about 4.5 to about 6.4 times larger than the thickness, |
| 7510058 |
Electric park brake mechanism and method of operating an electric brake to perform a park brake |
March 31, 2009 |
| An electromechanical braking system includes a brake rotor, a brake stator, an EMA (52) having a rotor shaft (36), a ram (42) operably connected to the EMA (52) having a first end movable between a first position urging the brake stator against the brake rotor and a second position, |
| 7509810 |
Inter-turbine temperature display compensation method |
March 31, 2009 |
| Control logic, and a method implemented by the control logic, compensates for mismatched inter turbine temperatures between two gas turbine engines and displays a biased inter turbine temperature (ITT) reading to the pilot without jeopardizing the need to be properly informed of the heal |
| 7509738 |
Solid-free-form fabrication of hot gas valve discs |
March 31, 2009 |
| A hot gas valve disc for a divert and attitude control disc switching element used in a propelled craft. The hot gas valve disc comprises a first layer comprising a first metal material having a first grain size and a first grain orientation, and at least one additional layer compris |
| 7509250 |
Hardware key control of debug interface |
March 24, 2009 |
| In one embodiment, a system comprises debug functionality, a debug interface communicatively coupled to the debug functionality, and a hardware key interface. Communication with the debug functionality over the debug interface is not permitted if an authorized hardware key is not com |
| 7509204 |
Method and system using tire stretch data to control braking |
March 24, 2009 |
| A method of controlling a braking force applied to at least one wheel supporting a tire that includes steps of issuing a braking command (100), commanding an amount of tire stretch based on the braking command (102), estimating an amount of tire stretch for the tire based at least in par |
| 7508642 |
Method and apparatus applying virtual .DELTA.t trip criterion in power distribution |
March 24, 2009 |
| A virtual .DELTA.T trip criterion is implemented in an electrical power distribution system to provide current-based tripping for a solid state power switching device. A first-order system model is implemented either by hardware or software to represent a rise in temperature of the e |
| 7507914 |
Micro-castellated interposer |
March 24, 2009 |
| A miniature PWB with features that incorporate the required circuitry changes and component footprints, which has been enhanced with micro-castellations such as those found on ceramic surface mount packages. The miniature PWB is mounted on the circuit board using techniques well know |
| 7506724 |
Active gas turbine lubrication system flow control |
March 24, 2009 |
| A lubrication system is provided for an aircraft turbine machine, the lubrication system being controlled by a closed-loop logic arrangement, wherein the oil pressure of a lubricant circulated therein is monitored and altered according to attitude data, acceleration data, operating mode |
| 7506527 |
Making integral heat spreader by coining |
March 24, 2009 |
| A method and apparatus for automatically separating blanks from a copper strip (200) and coining heat spreader lids (400) from the blanks. A high speed blanking structure (208) severs single rectangular or square blanks (212) from the copper strip. The blanks are loaded into a cartridge |
| 7506517 |
System and method for turbine engine startup profile characterization |
March 24, 2009 |
| A system and method is provided for startup characterization in a turbine engine that provides the ability to accurately characterize engine startup. The startup characterization system and method uses engine temperature sensor data and engine speed sensor data to accurately characte |
| 7506512 |
Advanced effusion cooling schemes for combustor domes |
March 24, 2009 |
| A cooling scheme for a dome comprises an effusion array drilled directly through a single walled dome. In one embodiment, the layout of the holes comprises two regions, a region close to the fuel injector where the holes follow a tangential path around the injector, and a second region |
| 7506511 |
Reduced exhaust emissions gas turbine engine combustor |
March 24, 2009 |
| A gas turbine engine combustor includes a plurality of main fuel injector assemblies, and a plurality of pilot fuel injector assemblies, that are arranged and configured to reduce exhaust gas emissions during engine operation. The plurality of main fuel injector assemblies are arranged i |
| 7506501 |
Compact mixer with trimmable open centerbody |
March 24, 2009 |
| Compact exhaust mixer assemblies comprising a compact mixer and a trimmable open centerbody are provided. The trimmable center body allows for adjustments of the open centerbody after manufacturing and during production testing. The trimmable open centerbody may be used to compensate |
| 7506090 |
System and method for user-configurable resource arbitration in a process control system |
March 17, 2009 |
| A system includes at least one memory and at least one processor. The at least one memory is operable to store a resource object associated with a resource. The at least one memory is also operable to store a plurality of requester objects associated with at least a portion of one or mor |
| 7505827 |
Automated finite capacity scheduler |
March 17, 2009 |
| A scheduler for a finite capacity process provides a schedule based on an integrated assessment of both discrete and continuous constraints. Given a list of products to be provided, the scheduler generates a set of activities required to produce the products and identifies resources |
| 7505820 |
Backup control for solid state power controller (SSPC) |
March 17, 2009 |
| Redundant functionality is implemented in a control of solid state power switching controller (SSPC) (1) to ensure that each power switching channel operates according to a default configuration in case of failure. Each power switching channel in the SSPC includes a solid state switching |
| 7505470 |
Clique aggregation in TDMA networks |
March 17, 2009 |
| In one embodiment, a method resolves cliques formed in a network comprising a plurality of nodes that are communicatively coupled to one another over at least a first channel. The method comprises, at each node, wherein that node is a member of a current clique: listening asynchronou |
| 7505400 |
Dual lane connection to dual redundant avionics networks |
March 17, 2009 |
| Apparatus and systems are provided for dual redundant avionics networks wherein a remote data concentrator (RDC) includes, but is not limited to, a line replaceable unit (LRU) input, a first processing lane coupled to the LRU input, a second processing lane coupled to the LRU input, and |
| 7505349 |
Refresh sequence control for multiple memory elements |
March 17, 2009 |
| A method for controlling a refresh sequence for multiple memory elements within an electronic device is disclosed. The method involves adjusting a programmable signal delay to avoid a simultaneous memory refresh between two or more of the multiple memory elements and passing a refresh si |
| 7503221 |
Dual span absolute pressure sense die |
March 17, 2009 |
| An absolute pressure sensor includes a sense die with a reference chamber on a top side thereof. The reference chamber comprises a precisely fabricated beam that limits the travel of a diaphragm. The beam can be positioned in a cap or cover member of the sense die, thereby allowing t |
