Patents
Patents for G01P 5 - Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft (8,453)
08/1989
08/08/1989US4854174 Colinear fluctuating wall shear stress and fluctuating pressure transducer
08/01/1989US4853861 Windshear measurement system
07/1989
07/25/1989US4851697 Apparatus for measuring flow vectors in gas currents
07/25/1989US4851666 Optical flow meter
07/25/1989US4850364 Medical ultrasound imaging system with velocity-dependent rejection filtering
07/19/1989CN1004834B Piezoelectric vortex street flowmeter with wide temp.-range
07/18/1989US4848354 Method and apparatus for investigating a circulatory system in living biological structures
07/18/1989US4848147 Thermal transient anemometer
07/18/1989US4848146 Underwater electromagnetic tubulent velocimeter
07/05/1989EP0323005A2 Hot wire type air flow meter
07/05/1989EP0322459A1 Hot wire type air flow meter
07/04/1989US4843882 Direct-heated flow measuring apparatus having improved sensitivity response speed
07/04/1989US4843880 Method for measuring the direction and force of gaseous or liquid flows and probe for carrying out this method
06/1989
06/29/1989WO1989005968A1 Silicon-based sensors and method of making same
06/29/1989WO1989005963A1 Silicon-based mass airflow sensor
06/27/1989US4843564 Apparatus and method for measuring frequency of coherent component of a composite signal
06/27/1989US4843445 Integrated semiconductor circuit and method for producing it, and use of such a circuit for providing a flow meter
06/27/1989US4841938 Device for determining the direction of flow
06/27/1989US4841769 Apparatus for measuring velocity of flow
06/27/1989CA1256300A1 Measuring flow of insulating fluids
06/21/1989EP0167550B1 Apparatus for measuring and displaying the speed of a craft, particularly a sail-board
06/21/1989CN2039850U Automatic ultrasonic device for flow measuring
06/20/1989US4840486 Apparatus for measuring flow vectors in gas currents
06/20/1989US4840062 Fiber optic current meter with plastic bucket wheel
06/14/1989EP0319871A1 Thin film orthogonal microsensor for air flow and method for its fabrication
06/14/1989CN1033420A Coplanar polarization two-dimensional frequency shift laser speedometer
06/13/1989US4838687 Method for the simultaneous measurement of three velocity components by means of laser doppler anemometry
06/13/1989US4838087 Quad disk static pressure probe
06/07/1989EP0319447A2 Apparatus and method for determining airspeed and direction
06/07/1989EP0167585B1 Pressure sensing instrument for aircraft
06/06/1989US4837512 Method and system for acquiring motional information of object in magnetic resonance
06/06/1989US4836020 Marine instrument
06/06/1989US4836019 Compact air data sensor
05/1989
05/31/1989EP0318388A1 Apparatus for measuring the fluid-flow in a conduit
05/30/1989US4833918 Sensor and method for ullage level and flow detection
05/30/1989US4833917 Three-component velocity probe for large scale application
05/24/1989EP0316511A2 Transducer structure
05/24/1989CN2038226U Measurer of average wind speed with digital control
05/23/1989US4831874 Paradac wind measurement system
05/23/1989CA1254649A1 Acoustic scintillation liquid flow measurement
05/18/1989DE3737188A1 Vorrichtung zur messung der stroemungsgeschwindigkeit der ansaugluft von verbrennungsmotoren Device for measuring the flow velocities of the intake air of internal combustion engines
05/17/1989EP0316200A2 Medical ultrasound imaging system
05/17/1989EP0316093A2 Velocity distribution measurement apparatus
05/17/1989EP0146584B1 Measuring apparatus for the determination of wind speed
05/16/1989US4830449 Polarimetric fiber optic speed sensor
05/16/1989US4829818 Flow sensor housing
05/16/1989US4829814 Hot film type air flow meter
05/16/1989US4829813 Method and apparatus for nonintrusively determining mach number
05/09/1989US4829441 Method for determining the air speed of a helicopter, system for carrying on this method and method for calibrating such air speed determining method and system
05/09/1989US4827942 Flow map apparatus
05/02/1989US4825708 Fiber optic velocity sensor/flow meter
05/02/1989US4825704 Fluid flow speed measuring apparatus
05/02/1989US4825694 Apparatus for measuring velocity of flow
04/1989
04/26/1989EP0313316A2 Fiber optic velocity sensor/flow meter
04/26/1989EP0313120A1 Direction-sensitive flow-rate indicator
04/25/1989US4825422 Method and apparatus for determining the local velocities in a moving fluid by means of doppler ultrasonic echography
04/20/1989WO1989003534A1 Process and device for determining the direction of motion of an electrically conducting object
04/20/1989WO1989003512A1 Fluid flow detector
04/19/1989EP0311663A1 Transducer for arranging in a fluid, particularly for the measurement of the flow-velocity of a fluid in a pipe, by transmitting/receiving sonic pulses.
04/18/1989US4821567 Running speed detecting device for marine vessels
04/18/1989CA1252770A1 Surge/stall cessation detection system
04/12/1989EP0311176A1 Optical flow meter
04/12/1989EP0311130A2 Method and apparatus for determining the direction of movement of an electrically conductive object
04/12/1989CN1032400A Supersonic doppler method for measuring velocity coefficient of water flow
04/11/1989CA1252307A1 Flow measuring apparatus with analog, essentially linear output
04/05/1989EP0310236A2 Fan blade speed-sensing apparatus
04/04/1989US4818101 Laser-doppler velocimetry
04/04/1989US4818071 Fiber optic doppler anemometer
04/04/1989US4817426 Method and an apparatus of determining the angle of an incident flow and/or of the airspeed at a stationary or moving point of measurement
04/04/1989CA1251948A1 Improvements relating to solid state anemometers and temperature gauges
04/04/1989CA1251946A1 Method and apparatus for optical measurement of fluid flow
03/1989
03/30/1989DE3823642A1 Heatable electric resistance for flow meters
03/30/1989DE3730511A1 Monitoring device for a medium, e.g. lubricating (lube) oil, fed in small quantities both discontinuously and continuously to a gas flow
03/22/1989EP0307668A2 Method and apparatus for measuring the speed of flow in wind tunnels
03/15/1989EP0210194B1 Electrostatic deposition of coating materials
03/15/1989CN2034280U Strain tube flow velocity sensor
03/15/1989CN1003611B Analogue method and device of slurry conduit transport design parameters
03/09/1989WO1989002061A1 Compact air data sensor
03/08/1989EP0305609A1 Averaging velocity sensor for measuring fluid flow in a conduit
03/08/1989CN2033906U Mini-rotary paddle dynamics flow speed measuring instrument
03/07/1989US4810100 Ultrasonic energy transfer sensing system
03/07/1989US4809547 Marine speed measuring device
03/01/1989EP0305072A2 Mass air flow sensors
02/1989
02/28/1989US4807990 Laser fluorescence velocimeter
02/28/1989US4807641 Pneumotach and components therefore and combined pulmonary function measuring kit containing the same
02/23/1989DE3826113A1 Device for the determination of the spatial velocity of moving particles, especially in multi-phase flows
02/21/1989US4806016 Optical displacement sensor
02/15/1989EP0303156A2 Method for Laser Doppler anemometry
02/14/1989US4804935 Sensor for measurement by electrical heating and method for manufacture of the same
02/14/1989US4804268 Method of measuring the interaction between walls and fluid
02/14/1989US4804263 Process for measuring flow vectors in gas currents
02/14/1989US4803875 Apparatus for determining the flow rate of a flowing medium
02/09/1989WO1989001132A1 Heated semiconductor measurement of fluid flow
02/09/1989DE3725087A1 Dynamic pressure wind sensor (anemometer) for speed and direction
02/08/1989EP0302444A2 Laser Doppler anemometer
02/08/1989EP0302431A2 Systems for, and methods of, providing for a determination of the movement of an airborne vehicle in the atmosphere
02/01/1989EP0301534A1 Asymmetrical displacement flowmeter
01/1989
01/26/1989WO1988010457A3 System for producing an alarm signal on board an aircraft in the event of a minitornado
01/18/1989CN2031098U Alarm for wind speed
01/10/1989US4796634 Methods and apparatus for monitoring cardiac output
1 ... 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 ... 85