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| Number | Title | Issue Date |
| 8141429 | High temperature capacitive static/dynamic pressure sensors and methods of making the same Disclosed are capacitive pressure probes or sensors for high temperature applications. The capacitive pressure sensors of the present invention include, inter alia, a sapphire diaphragm which is disposed within an interior sensing chamber of the probe housing and ha... | 03/27/2012 |
| 8136360 | Method for observing combustion conditions in a gas turbine engine A fuel injector for a gas turbine combustor is disclosed which includes a feed arm having a flange for mounting the injector within the combustor and a fuel nozzle depending from the feed arm for injecting fuel into the combustor for combustion. An optical sensor ar... | 03/20/2012 |
| 8120913 | Methods and devices for forced air cooling of electronic flight bags An electronic flight bag computer (EFB) includes a housing defining first and second compartments that are fluidly isolated from and in thermal communication with one another. The first compartment contains electronic components connected to a user interface on an e... | 02/21/2012 |
| 8104955 | Aspirated enhanced total air temperature probe A total air temperature probe includes an inlet through which airflow enters a primary airflow passage through the probe. A sensor flow passage is connected to the primary flow passage. Bleed ports extend between the primary airflow passage and a cross-port which ex... | 01/31/2012 |
| 8079262 | Pendulous accelerometer with balanced gas damping A pendulous capacitive accelerometer including a substrate having a substantially planar upper surface with an electrode section, and a sensing plate having a central anchor portion supported on the upper surface of the substrate to define a hinge axis. The sensing ... | 12/20/2011 |
| 8077480 | Faraday cage for camera A camera includes an electrically conductive housing defined by exterior walls and an interior cavity. The exterior walls of the housing have a lens opening and a connector opening formed therein. An imaging device is disposed within the interior cavity of the housi... | 12/13/2011 |
| 8072582 | Lidar system using a pseudo-random pulse sequence A light detection and ranging system includes a transmitter transmitting a transmitted light pulse timing sequence, with pseudo-random timing and including a plurality of light pulses, toward a target. An optical receiver receives a reflected light pulse timing sequ... | 12/06/2011 |
| 8056412 | Inertial measurement unit and method of constructing the same using two orthogonal surfaces A method of mounting in-plane sensors of an inertial measurement unit. The method includes the steps of: providing a structure having first and second planar surfaces oriented orthogonally to one another, positioning a plurality of sensors on the first planar surfac... | 11/15/2011 |
| 8037754 | Integrated inertial measurement system and methods of constructing the same An inertial measurement system having a triangular cupola shaped base structure with three mutually orthogonal sides and a bottom surface surrounding a hollow core. The bottom surface includes an aperture providing access to the hollow core. An inertial module is mo... | 10/18/2011 |
| 8020442 | High bandwidth inertial measurement unit An inertial measurement unit is disclosed which includes a system of gyros for sensing angular rates, a system of accelerometers for sensing angular accelerations, an integrator for deriving gyro-less angular rates from the sensed angular accelerations, and a compli... | 09/20/2011 |
| 7994940 | Mechanical latch locking detection sensors The invention provides a sensor for determining when a latch for securing an engine cowl on an aircraft is secured by detecting the proximity of a latch hook and a latch pin. The sensor includes a resonant circuit configured and adapted to transmit a status signal w... | 08/09/2011 |
| 7989250 | Membrane grating for beam steering device and method of fabricating same A method of fabricating a membrane structure for a diffractive phased array assembly is provided. The method includes the steps of providing a wafer having a body and at least a membrane layer and a backside layer disposed on opposite faces of the body, forming a gr... | 08/02/2011 |
| 7987712 | High temperature seal assembly for optical sensor A seal assembly for an optical sensor employed in a high temperature environment is disclosed which includes an elongated metal guide tube having a distal end portion defining an open distal end and an inner rear wall, a sapphire window disposed within the distal en... | 08/02/2011 |
| 7986408 | Apparatus and method for in-flight detection of airborne water droplets and ice crystals A device for optically detecting and distinguishing airborne liquid water droplets and ice crystals includes an illumination portion and a detection portion. The illumination portion outputs a circularly polarized illuminating beam. The detection portion receives ci... | 07/26/2011 |
| 7984647 | Detecting ice particles Systems and methods for detecting ice particle accumulation is disclosed herein. In one exemplary implementation, a method for detecting ice is described in which a parameter within an interior volume of a heated conduit is measured. The method also includes detecti... | 07/26/2011 |
| 7966834 | Apparatus for observing combustion conditions in a gas turbine engine A fuel injector for a gas turbine combustor is disclosed which includes a fuel nozzle for issuing fuel into the combustor for combustion, at least one photodetector responsive to flame radiation indicative of an OH chemiluminescence peak, and at least one photodiode... | 06/28/2011 |
| 7952154 | High temperature resistant solid state pressure sensor A harsh environment transducer including a substrate having a first surface and a second surface, wherein the second surface is in communication with the environment. The transducer includes a device layer sensor means located on the substrate for measuring a parame... | 05/31/2011 |
| 7922121 | Power distribution architecture for an ice protection system An ice protection system for a vehicle is disclosed which includes a plurality of de-ice power distribution units positioned proximate to a leading edge surface of the vehicle that is susceptible to ice accretion, at least two anti-ice power distribution units locat... | 04/12/2011 |
| 7854548 | Integrated total air temperature probe and electronics A total air temperature sensor includes a probe secured to a first side of a vehicle surface. The probe includes an air inlet and a temperature sensing element. Air flows into the air inlet and passes by the temperature sensing element. The temperature sensing eleme... | 12/21/2010 |
| 7843363 | Mechanical latch locking detection sensors The invention provides a sensor for determining when a latch for securing an engine cowl on an aircraft is secured by detecting the proximity of a latch hook and a latch pin. The sensor includes a resonant circuit configured and adapted to transmit a status signal w... | 11/30/2010 |
| 7834514 | Wireless surface acoustic wave-based proximity sensor, sensing system and method The subject invention is related to wireless proximity sensor and sensing system for detecting the position of an object. The system includes a transceiver for providing wireless communication with a passive wireless surface acoustic wave (SAW) proximity sensor. The... | 11/16/2010 |
| 7828477 | Aspirated enhanced total air temperature probe A total air temperature probe includes an inlet through which airflow enters a primary airflow passage through the probe. A sensor flow passage is connected to the primary flow passage. Bleed ports extend between the primary airflow passage and a cross-port which ex... | 11/09/2010 |
| 7784359 | Coriolis effect mass flow meter and gyroscope A Coriolis effect device includes a housing defining an interior chamber having a central axis, an inlet, an outlet, a leading disc and a trailing disc. Each disc is supported for oscillatory movement within the interior chamber of the housing. The leading disc defi... | 08/31/2010 |
| 7775052 | Active combustion control system for gas turbine engines A system is disclosed for actively controlling combustion in a gas turbine engine, which includes a fuel injector for issuing fuel into a combustion chamber of the gas turbine engine. The fuel injector has a dynamic pressure sensor for measuring acoustic pressure wi... | 08/17/2010 |
| 7765875 | High temperature capacitive static/dynamic pressure sensors Disclosed is a capacitive pressure probe for high temperature applications, such as for use in a gas turbine engine. The capacitive probe or pressure sensor of the present invention includes, inter alia, a sensor housing that defines an interior sensing chamber havi... | 08/03/2010 |
| 7746449 | Light detection and ranging system A light detection and ranging system includes a mirror unit rotating around a scan axis. The mirror unit includes a receiving portion and a transmitting portion offset by an angle about the scan axis relative to a surface plane of the receiving portion. Respective c... | 06/29/2010 |
| 7736931 | Wafer process flow for a high performance MEMS accelerometer A process for fabricating a pendulous accelerometer, including the steps of: providing a first substrate having a top planar surface, etching a portion of the first substrate to a first predetermined depth from the top planar surface to form a plurality of first pro... | 06/15/2010 |
| 7697125 | Scanning ladar with adjustable operational parameters A LADAR has adjustable operational parameters to accommodate surveillance of a particular site. The LADAR includes a controller, a laser source governed by the controller to generate a laser beam pulsed at a pulse repetition rate, an optical scanner, a first set of ... | 04/13/2010 |
| 7669475 | System and method for measuring rotational movement about an axis In one embodiment, a micro-gyro device for measuring rotational movement about an input axis includes a driving element generating a driving signal. A MEMS gyro includes a motor rotor and a motor assembly. The motor rotor receives the driving signal and oscillates a... | 03/02/2010 |
| 7661321 | Force sensing clevis insert A sensor includes a clevis insert for reception within a first bore of a clevis. The clevis insert is configured to accommodate a latch pin. A strain sensing element is operatively associated with the clevis insert for detecting mechanical strain imparted to the cle... | 02/16/2010 |
| 7642115 | Method for making a transducer A method for forming a transducer including the step of providing a semiconductor-on-insulator wafer including first and second semiconductor layers separated by an electrically insulating layer. The method further includes depositing or growing a piezoelectric film... | 01/05/2010 |
| 7628309 | Transient liquid phase eutectic bonding A method for bonding two components together including the steps of providing a first component, providing a second component, and locating a first eutectic bonding material between the first and second component. The first eutectic bonding material includes at leas... | 12/08/2009 |
| D604703 | Electronics front cover panel | 11/24/2009 |
| 7603915 | Force balanced impeller flow meter for mass flow rate control A force balanced mass flow meter is disclosed that includes a cylindrical sensor housing having an interior bore, an impeller body supported for axial rotation within the interior bore of the sensor housing, and including structure for converting fluid inertia into ... | 10/20/2009 |
| 7597018 | Pneumatic line isolation and heating for air data probes The invention provides a probe for an aircraft including a strut having an interior passage accommodating a plurality of pneumatic lines, a probe head extending from the strut and having at least one inlet opening communicating with the pneumatic lines, a baseplate ... | 10/06/2009 |
| 7549797 | Temperature measurement system The invention provides a temperature measurement system including a temperature sensor and means for biasing the temperature sensor in the direction of a thermal energy source in response to receiving thermal energy from the source. The invention also provides a con... | 06/23/2009 |
| 7538401 | Transducer for use in harsh environments A pressure sensor for use in a harsh environment including a substrate and a sensor die directly coupled to the substrate by a bond frame positioned between the substrate and the sensor die. The sensor die includes a generally flexible diaphragm configured to flex w... | 05/26/2009 |
| D587610 | Total air temperature probe | 03/03/2009 |
| 7484369 | Apparatus for observing combustion conditions in a gas turbine engine A fuel injector for a gas turbine combustor is disclosed which includes a feed arm having a flange for mounting the injector within the combustor and a fuel nozzle depending from the feed arm for injecting fuel into the combustor for combustion. An optical sensor ar... | 02/03/2009 |
| 7456749 | Apparatus for detecting a fire by IR image processing An apparatus for detecting a fire in a scene by infrared radiation image processing includes a means for receiving a sequential plurality of infrared radiation images of the scene, a means for generating for each said image an array of picture elements (pixels), a m... | 11/25/2008 |
