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| Number | Title | Issue Date |
| 8047071 | Multifunctional electronic device and method for using the same A portable electronic device includes a housing, a processor unit received in the housing, and an anemometer unit mounted on the housing and electrically connected to the processor unit. The anemometer unit transforms pressure of wind blowing thereon into electronic... | 11/01/2011 |
| 7313954 | Apparatus for measuring flow characteristics A flow detection device for detecting a flow characteristic of a fluid within a pipe is disclosed. The flow detection device includes a first channel portion that defines a first channel with an upstream aperture. The fluid can flow into the first channel through th... | 01/01/2008 |
| 7284420 | Air data system and method for rotary aircraft An air data system and method for a rotary aircraft is described. The air data system includes a plurality of flush ports connected via tubing to a plurality of air flow sensors that can measure air flow speeds as low as approximately 0.02 knots. The flush ports are... | 10/23/2007 |
| 7274621 | Systems and methods for flow measurement A system estimates flow parameters associated with a fluid flow encountering a bluff body. The system includes multiple sensors distributed on a surface of a bluff body. The system further includes input circuitry and a sensor processing unit. The input circuitry re... | 09/25/2007 |
| 7240544 | Aerodynamic noise source measurement system for a motor vehicle An aerodynamic noise measurement system for a vehicle uses sound reflectors to determine the sound wave propagation of aerodynamic noise of the vehicle. The vehicle is placed within a test section of a wind tunnel. The air flow of the wind tunnel generates the aerod... | 07/10/2007 |
| 7167276 | Data conversion between color coordinate systems Conversion of color data values from a rectangular coordinate system such as CIELab to a cylindrical coordinate system such as CIELCh using two one-dimensional look-up tables, one each for the C value and the h value. The one-dimensional look-up tables are accessed ... | 01/23/2007 |
| 7155969 | System for and method of acoustic and through skin air data measurement A system for determining physical characteristics of an incident flow stream over a surface of a vehicle includes a plurality of acoustic sensors mounted to the surface and configured to sense pressure fluctuations caused by the incident flow stream. The plurality o... | 01/02/2007 |
| 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 |
| 7086835 | Horizontal axis wind turbine and method for controlling horizontal axis wind turbine A horizontal axis wind turbine includes: a yaw sensor; a rotor rotating around a rotor axis extending in a substantially horizontal direction, the rotor axis rotating in a substantially horizontal plane depending on wind direction; a plate-like member disposed on a ... | 08/08/2006 |
| 7036365 | Device for measuring the total pressure of a flow The invention relates to the measurement of the total pressure of a fluid flow, especially the total pressure of the airflow surrounding an aircraft. The invention proposes to replace a pitot tube with a device in which at least two fluid streams are taken off from ... | 05/02/2006 |
| 6923051 | Flow vector analyzer for flow bench Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a measurement section downstream of the component being tested. The measurement ... | 08/02/2005 |
| 6782150 | Apparatus for sensing fluid in a pipe An apparatus for non-intrusively sensing fluid flow within a pipe is provided. The apparatus includes a first sensing array for sensing acoustic signals traveling at the speed of sound through fluid flow within the pipe, a second sensing array for sensing local pres... | 08/24/2004 |
| 6772976 | Sensor for measuring wind angle A differential pressure-induced airflow based approach is used to measure Angle-Of-Attack (AOA) or Angle-Of-Sideslip (AOS) for an aircraft. Ports on opposing sides of an aircraft fuselage are coupled by an airway incorporating a mass airflow sensor. As the relative ... | 08/10/2004 |
| 6666081 | Sensor probe An elongate probe suitable for measuring one or more properties of a stream of fluid, the probe having an external planar sensing surface, which in use is exposed to the stream of fluid, at a longitudinal end thereof and comprising a plurality of sensors ... | 12/23/2003 |
| 6531967 | Aircraft disturbed air direct sensing system Airspeed direct sensing transducer apparatus in a system where fast response gust sensors are aircraft wing mounted, each gust sensor mounted on opposite wing halves feeding the absolute value of low-pass filtered direct sensed airstream gust cross-compon... | 03/11/2003 |
| 6279393 | System for isotropically measuring fluid movement in three-dimensions A system for measuring wind direction and velocity utilizing a sphere which is capable of making differential orthogonal pressure measurements, using pressure sensors located inside the sphere along apertures forming orthogonal axes of the sphere. The pre... | 08/28/2001 |
| 5616860 | Azimuth indicator equipped with anemometer capable of indicating blowing direction of wind In an azimuth indicating apparatus, there are provided a wind speed measuring unit for measuring a wind speed, an azimuth measuring unit for measuring azimuth, a display unit for displaying wind speeds measured at respective azimuths, and a display contro... | 04/01/1997 |
| 5597952 | Speed measuring and compensation apparatus for jet-propelled watercraft A speed measuring system for a jet-propelled watercraft which includes a pitot tube mounted within the jet intake chamber of the watercraft for measuring the dynamic water pressure therewithin. The pitot tube is linked via flexible tubing to a pressure po... | 01/28/1997 |
| 5597963 | Submersible streamlined meter with a pitot tube for measuring water flow in an open channel A gauging meter including a streamline housing at a forward end of which a pitot type tube, the tail end of the housing having a tail fin of fins, the housing being connected to a cable or rod which, in use, suspends or supports the housing in liquid flow... | 01/28/1997 |
| 5585557 | Air data system for measuring fluid flow direction and velocity The invention is a system for determining the physical characteristics of an incident fluid flow stream over a surface of a vehicle relative to an axis thereof, the apparatus. In detail, the invention includes at least one first pressure sensor mounted on... | 12/17/1996 |
| 5546799 | Draft monitoring device mounted on motor vehicle to determine wind speed relative to ground A draft monitoring device (10) for measuring and displaying the difference between the air speed and the ground speed of a motor vehicle (12). The draft monitoring device (10) includes a ground speed sensor (30) and an air speed sensor (46). Outputs from ... | 08/20/1996 |
| 5442958 | Deployable probe combined with flush static port A deployable probe has pressure ports positioned radially around a longitudinal probe axis. The probe mounts within a pressure chamber such that it can reciprocate from a retracted position where the pressure ports are contained within the pressure chambe... | 08/22/1995 |
| 5241866 | Probe shapes that measure time-averaged streamwise momentum and cross-stream turbulence intensity A method and apparatus for directly measuring the time-averaged streamwise momentum in a turbulent stream use a probe which has total head response which varies as the cosine-squared of the angle of incidence. The probe has a nose with a slight indentatio... | 09/07/1993 |
| 4920808 | Device and method for measuring the flow velocity of a free flow in three dimensions A device for and method of measuring the flow velocity of a free fluid flow in three dimensions is provided in which a rotationally symmetrical flow body has at least two sets of peripherally spaced openings in regions of different thickness along the sid... | 05/01/1990 |
| 4843880 | Method for measuring the direction and force of gaseous or liquid flows and probe for carrying out this method Disclosed is a method and probe for measuring the direction and force of gaseous of liquid flows in which two dynamic pressures are measured which are built up in two measuring chambers under the influence of the flow at a certain free-stream angle or a p... | 07/04/1989 |
| 4833917 | Three-component velocity probe for large scale application An improved three-component velocity probe for use in measuring velocity of non-uniform gas flows. Specifically, a new probe geometry enables characterization of a flow in three dimensions in large scale applications. The three-component gas flow velocity... | 05/30/1989 |
| 4750356 | Process for measuring the direction and intensity of gaseous or liquid flows and probe for application of the process Method for measuring the direction and force of gaseous or liquid flows in which two dynamic pressures are measured which are built up in two measuring chambers under the influence of the flow at a certain free-stream angle or a plurality of dynamic press... | 06/14/1988 |
| 4506553 | Apparatus for measuring small values of air flow A gas flow rotor cyclically connects a microphone to a dynamic flow press and then a reference static flow pressure. The microphone converts the pressures to a resultant alternating differential signal providing a first input to a phase-locked amplifier.... | 03/26/1985 |
| 4170132 | Airspeed and relative direction indicator A meter face arrangement for use with a cross wind sensor that provides information indicating relative airspeed with respect to a probe, and also the direction of the relative wind, which permits an operator of an aircraft such as a helicopter pilot or a... | 10/09/1979 |
| 4065957 | Fluid speed indicating apparatus and densitometer Fluid density is measured in a fluid speed indicating apparatus by using a pair of rotor arms having a pair of asymetrically located venturis or equivalent venturis. A steady state pressure difference will be produced between the two pressure locations an... | 01/03/1978 |
| 3969938 | Apparatus for measuring the velocity and/or density of a fluid stream A robust apparatus for measuring the velocity and/or density of a fluid stream comprises a cap-shaped nozzle which deflects pressurized fluid, issuing from a tube whose end is within the nozzle, back along the external surface of the tube to a receiver so... | 07/20/1976 |
