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| Number | Title | Issue Date |
| 7971478 | Wind sensor A wind sensor includes first and second elements in an orthogonal axis arrangement and a calibration data array comprising first calibration data associated with the first element and second calibration array data associated with second element. An anemometric proce... | 07/05/2011 |
| 7891238 | Thermal anemometer flow sensor apparatus with a seal with conductive interconnect A flow sensor apparatus and method. A seal with a conductive interconnect is provided that includes a mass flow sense element mounted to a housing containing a thick film and/or thin film bridge structure for sensing media (e.g., mass flow) within a flow tube. The s... | 02/22/2011 |
| 7870784 | Method and apparatus for measuring wind velocity A sensor assembly for use in measuring wind velocity is described that includes a body that includes at least one surface a flow path defined at least partially by the at least one surface. The sensor assembly further includes a wire extending from the at least one ... | 01/18/2011 |
| 7854164 | Flowmeter for determining a flow direction A flowmeter determines the flow direction of a fluid. The flowmeter has a measuring element, around which the fluid flows. The measuring element has fiber-optic cable and at least two electrical heating elements that lie adjacent to the fiber-optic cable(s) by which... | 12/21/2010 |
| 7370894 | On demand morphable automotive body moldings and surfaces A morphable vehicle member utilizing at least one active material to change at least one attribute in response to an activation signal. The change in at least one attribute is a change in a shape dimension, a shape orientation, an expansion, a contraction, a morphin... | 05/13/2008 |
| 7363808 | Method, system and computer program product for nacelle wind speed correction A technique for correcting measurement error in data produced by a nacelle-based anemometer and for determining free stream wind speed for a wind turbine involves ascertaining parameters related to the wind turbine and the operation thereof, and using the parameters... | 04/29/2008 |
| 7347092 | Apparatus and method for fluid flow measurement An apparatus and method for fluid flow measurement are provided. The apparatus includes a first thermistor; a second thermistor; a first deflecting member configured to shield the first thermistor from fluid flowing in a first direction; a second deflecting member c... | 03/25/2008 |
| 7252313 | On demand morphable automotive body moldings and surfaces A morphable vehicle member utilizing at least one active material to change at least one attribute in response to an activation signal. The change in at least one attribute is a change in a shape dimension, a shape orientation, an expansion, a contraction, a morphin... | 08/07/2007 |
| 7212938 | Method of using a self-locking travel pattern to achieve calibration of remote sensors using conventionally collected data The present invention provides a method to calibrate an on-board remote sensing system using a self-locking travel pattern and target remote sensing data. The self-locking travel pattern includes a number of parallel travel lines having overlapping swath widths betw... | 05/01/2007 |
| 7191643 | Sensor system to distinguish frozen and non-frozen liquid particulates A sensor system comprises a first sensor, a second sensor, and circuitry. The first sensor collects non-frozen liquid with a first collection efficiency, but does not collect frozen liquid. The second sensor collects non-frozen liquid with a second collection effici... | 03/20/2007 |
| 7165441 | Sensor module having a sensor element surrounded by a heating element A sensor module having a heating structure and a sensor element is described. The heating structure surrounds the sensor element so that heat dissipation through a frame is largely prevented. This yields a greater measuring accuracy of the sensor module. In particul... | 01/23/2007 |
| 7107835 | Thermal mass flow sensor A thermal mass flow sensor is disclosed that includes a housing (16) having a first sensor region and a second sensor region, a first thin film temperature sensor (39) formed at the first sensor region and a second thin film temperature sensor (58 | 09/19/2006 |
| 7093483 | Differential pressure wind meter A wind meter comprising a plurality of micro-electro-mechanical (MEM) differential pressure sensors positioned in a lobed housing, with an even number of circumferential ports arranged in an equally-spaced, circular pattern at the distal ends of the lobes of the hou... | 08/22/2006 |
| 7054767 | Thermal mass flowmeter apparatus and method with temperature correction A thermal mass flowmeter with temperature correction. The flowmeter includes a bridge, a signal conditioner, and a balancer. The balancer provides a bridge signal as feedback to the bridge that balances a flow sensor signal and the temperature sensor signal from the... | 05/30/2006 |
| 7030600 | Broadband microwave power sensor A circuit for sensing radio frequency energy. The circuit includes a Wheatstone bridge having at least one element thereof thermally responsive to the radio frequency energy passing therethough differently from radio frequency energy passing though at least one othe... | 04/18/2006 |
| 7021135 | Thermal mass flow sensor A thermal mass flow sensor is disclosed that includes a housing (16) having a first sensor region and a second sensor region, a first thin film temperature sensor (39) formed at the first sensor region and a second thin film temperature sensor (58 | 04/04/2006 |
| 6963810 | Method and system for locating critical flow feature indicators in three dimensional flow regimes A method for locating two dimensional critical flow features on a surface of a three dimensional body immersed in a fluid stream is presented. The method includes applying a hot film sensor array on the surface of the body. The hot film sensor array includes a plura... | 11/08/2005 |
| 6938493 | Apparatus and methods for heat loss pressure measurement A heat loss gauge for measuring gas pressure in an environment includes a resistive sensing element and a resistive compensating element. The resistive compensating element is in circuit with the sensing element and is exposed to a substantially matching environment... | 09/06/2005 |
| 6905242 | Sensor temperature control in a thermal anemometer A thermal anemometer that separates sensor heating from sensor temperature measurement through a switched sampling technique. This approach demonstrates several advantages over the more typical circuitry employing a bridge, which simultaneously heats the sensor and ... | 06/14/2005 |
| 6895812 | Cup anemometer The present invention relates to a cup anemometer having at least two cups (1) each attached to an arm (2) of a hub (3) on a rotary shaft. By cup is meant a generally seen cup-shaped body with a concave inner surface (6) and a convex oute... | 05/24/2005 |
| 6826493 | System and method for real time determination of unsteady aerodynamic loads A method is provided for determining a load on an object immersed in a fluid stream under a set of flow and attitude conditions associated with unsteady flow phenomena. The method comprises measuring surface heat transfer at a plurality of surface locations on the o... | 11/30/2004 |
| 6705158 | Hot wire anemometer with extendable probe A hot wire anemometer comprising a support member having a data processing system, probe head with a hot wire sensor and an ambient temperature sensor and an extendable portion having conductors therein for transfer of collected data and command data between the dat... | 03/16/2004 |
| 6543298 | Method of reducing total temperature errors and multi-function probe implementing same A method of generating, for an aircraft, a total air temperature compensated for recovery or deicing heater error includes measuring a total air temperature with a total air temperature probe. A local angle of attack for the total air temperature probe is... | 04/08/2003 |
| 6380535 | Optical tuft for flow separation detection Disclosed are flow separation detectors and, more particularly feedback sensor arrangements adapted to provide for the measurement of surface aerodynamic flow phenomena, and especially with regard to aerodynamic flow separation which is encountered over a... | 04/30/2002 |
| 6134958 | Thermal anemometer aircraft airspeed gust component transducer The airspeed transducer includes a pair of electrically heated cylindrical sensing elements in a parallel arrangement that is exposed broadside to the incident airstream, simultaneously measuring both instantaneous airspeed and a cross-component of airspe... | 10/24/2000 |
| 6134959 | Method for detecting flow bifurcation during sonic flow conditions A method is provided for detecting flow bifurcation during sonic flow conditions to identify shock location. The method includes setting the initial test conditions, either by setting up an altitude and airspeed in a test aircraft or by setting up an init... | 10/24/2000 |
| 5677484 | Device for measuring the flow in a fluid channel A device for measuring the flow of a fluid in a fluid channel, with at least one thermocouple, whose thermojunctions are arranged one behind the other in the direction of flow of the fluid and are maintained at a working temperature higher than the fluid ... | 10/14/1997 |
| 5639964 | Thermal anemometer airstream turbulent energy detector A turbulence sensor whose signal output is processed to substantially reduce accumulated turbulence signal bandwidth and provide a permanent stored record in which maximum information content is preserved while a minimum of data samples are recorded. Both... | 06/17/1997 |
| 5520047 | Exothermic resistor element and thermal process air flow meter using the same In the thermal process air flow meter according to the invention first, second and third electrode terminals are arranged on the same surface at one end of a substrate. A first exothermic resistor is connected between the first and second terminals, and a... | 05/28/1996 |
| 5461910 | Fluid flow direction and velocity monitor A fluid flow detection monitor (80), particularly useful in monitoring pressure differentials between a controlled environment and its surroundings, includes a heat source (1) situated between an upstream and downstream thermal sensor (2,3) within a chann... | 10/31/1995 |
| 5412983 | Device for determining the flow velocity and flow direction of gases or liquids The flow velocity of the medium is determined with the aid of a temperature-dependent resistor. The measurement probe is located in a partially open measurement chamber. The measurement chamber has an inlet port and an outlet port of different sizes. Only... | 05/09/1995 |
| 5357795 | Anemometer transducer wind set An anemometer transducer wind set with no moving parts for determining both wind speed magnitude and wind direction components having an omnidirectional wind speed resultant thermal anemometer transducer and a directional orthogonal or right angle ducted ... | 10/25/1994 |
| 5311775 | Semiconductor flow sensor The flow rate sensor is made from a silicon substrate (1). A first face (A) of the substrate is provided with a heating element (2) disposed in a first region (R1) and with at least one thermometer component (4) disposed in a second region (R2), the first... | 05/17/1994 |
| 5218866 | Method and device for measuring fluid velocities The velocity of a fluid in a positive or negative direction is measured by se of a thermistor in a feedback circuit. The temperature of a flow thermistor is balanced with the temperature of a reference thermistor by sensing temperature through resistance b... | 06/15/1993 |
| 5218865 | Thermal anemometer transducer wind set A thermal anemometer transducer wind set for determining both wind speed and wind direction having an omnidirectional wind speed resultant sensing transducer element and a component directional anemometer transducer sensing element pair that are all opera... | 06/15/1993 |
| 4936144 | Directional thermal anemometer transducer The directional thermal anemometer transducer includes an electrically non-conducting substrate having at least two areas substantially thermally isolated from one another covered with a resistive sensing conductor, the conductor extending only within the... | 06/26/1990 |
| 4930347 | Solid state microanemometer with improved sensitivity and response time A solid state microanemometer with improved sensitivity and response time is micromachined out of a single deep level doped semiconductor crystal and includes four corner supports interconnected to four spanning members which form the resistor legs of a W... | 06/05/1990 |
| 4920793 | Directional thermal anemometer transducer The directional thermal anemometer transducer includes an electrically non-conducting substrate having at least two areas substantially thermally isolated from one another covered with a resistive sensing conductor, the conductor extending only within the... | 05/01/1990 |
| 4905513 | Wind speed measuring device A wind speed meter comprises a housing and a sensor means arranged thereon. he sensor means is heated by a heating coil whereby the temperature of the metal cylinder which constitutes the mass of the sensor means is measured by a resistivity-sensor. After ... | 03/06/1990 |
| 4890489 | Direction-sensitive flow-rate indicator A direction-sensitive flow velocity meter in which at least first and second thermocouples of the Seebeck type are arranged in a symmetrical layout in a common semiconductor substrate. The configuration is such that imaginary lines joining the junction en... | 01/02/1990 |
