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)
04/1990
04/03/1990US4914742 Thin film orthogonal microsensor for air flow and method
04/03/1990US4913159 Method for determining blood flow through a narrowed orifice using color doppler echocardiography
04/03/1990US4912977 Device for position determination of transition zones between at least two different enclosing media
04/03/1990CA1267300A1 Family of aerodynamically compensated multiple static pressure tubes
03/1990
03/29/1990DE3832379A1 Flow sensor
03/29/1990DE3832312A1 Method and device for quickly measuring a local velocity component of a, in particular, flow field
03/28/1990CN1007376B Microwind-guage
03/27/1990US4911005 Velocity-measuring device
03/20/1990US4909079 Heat wire airflow meter
03/20/1990US4909078 Fluid flow detector
03/14/1990EP0358249A2 Method and apparatus for fourier processing of pulsed doppler signals
03/14/1990EP0358205A1 Flight data transmitter
03/14/1990EP0358204A1 Flight data transmitter
03/14/1990EP0357903A2 Apparatus for measuring heat transfer, especially a flow indicator
03/08/1990WO1990002099A1 Process and device for measuring a flow rate
03/06/1990US4905513 Wind speed measuring device
02/1990
02/28/1990EP0355894A1 Determination of liquid flow features by a spatial temporal method
02/28/1990EP0355300A1 Method for determining the directional symptom of a particle current
02/27/1990US4905000 In an aircraft
02/27/1990US4904944 Flow measuring apparatus with analog, essentially linear output
02/22/1990WO1990001688A1 Thermal-image camera with a cooled detector mosaic
02/22/1990DE3827913A1 Verfahren und vorrichtung zur bestimmung der geschwindigkeit einer stroemung A method and apparatus for determining a velocity of flow
02/21/1990CN1039903A Apparatus for measuring flowing speed of preumatic and hydraulic transmitting granulose material
02/21/1990CN1039902A Method and apparatus for fourier processing of pulsed doppler signals
02/20/1990US4903001 Detecting element using an electrically resistive body, for determining a parameter
02/15/1990DE3827444A1 Method and device for detecting a liquid flow in a line (conduit)
02/08/1990WO1990001146A1 Asymmetrical displacement flowmeter
02/06/1990US4899289 Apparatus for and method of processing signals in a composite waveform including noise and a periodic component
02/06/1990US4898029 Marine instrument
02/06/1990CA1265607A1 Non-invasive blood flow measurements utilizing autoregressive analysis with averaged reflection coefficients
01/1990
01/30/1990US4896534 Float-type flowmeter
01/25/1990DE3909177A1 Arrangement for measuring the rate of flow in the case of the pneumatic and hydraulic conveyance of fine (small) grained bulk materials
01/24/1990EP0352203A2 Method and apparatus for simultaneously measuring in a pipe the density, the concentration, the flowing rate, the delivery and the temperature of a liquid or a pasty fluid by ultrasonic transmission
01/23/1990US4895442 Velocimeter with an optical fiber mosaic
01/11/1990DE3823246A1 Laser Doppler anemometer
01/09/1990US4893261 Apparatus and method for determining airspeed and direction
01/03/1990EP0349174A1 Thermal flux mass flowmeter
01/02/1990US4890489 Direction-sensitive flow-rate indicator
01/02/1990US4890488 Ultrasonic anemometer
12/1989
12/28/1989WO1989012809A1 Quad-disk static pressure probe
12/27/1989EP0347732A2 Electrical flow sensor
12/26/1989US4890103 Rate-of-climb indicator
12/26/1989US4888988 Silicon based mass airflow sensor and its fabrication method
12/26/1989US4888987 High sensitivity measurement device for measuring various parameters of non-electric quantity
12/20/1989EP0347096A2 A speed measurement device
12/20/1989EP0346601A2 Method and apparatus for measuring fluid flow velocity, in particular in a wind tunnel
12/20/1989EP0346393A1 Marine instrument
12/19/1989US4887577 Hot-wire type air flow meter and an internal combustion engine with the same
12/14/1989WO1989012216A1 Apparatus for registering leakage or unintended consumption in a pipe system
12/14/1989DE3820025A1 Measurement circuit
12/14/1989DE3818875A1 Device for determining the mass and/or velocity as well as the number of particles in a fluid
12/12/1989US4887213 System for, and methods of, providing for a determination of the movement of an airborne vehicle in the atmosphere
12/12/1989US4885942 Ultrasound flow rate meter using a phase difference method and apparatus
12/12/1989US4885938 Flowmeter fluid composition correction
12/12/1989US4885937 Flow sensor
12/07/1989DE3818505A1 Application of a device for measuring the relative movements between two components
12/05/1989US4885473 Method and apparatus for detecting particles in a fluid using a scanning beam
12/05/1989US4884459 Flow rate converter
12/05/1989US4884448 Ultrasonic doppler meter
11/1989
11/30/1989DE3816680A1 Method of determining properties of gas-borne solid aerosols in high-temperature zones
11/29/1989EP0343187A1 Dynamic light scattering apparatus.
11/28/1989US4882931 Method and an apparatus for determining the velocity, direction and other magnitudes of a flow, in particular a gas flow
11/23/1989EP0101509B1 Ultrasonic transducers
11/21/1989US4881407 Hot wire air flow meter
11/16/1989WO1989011083A1 A flowmeter
11/16/1989DE3815214A1 Method and device for laser-beam diagnosis
11/15/1989EP0341447A2 Device for determining the influence of cross wind on vehicles
11/15/1989CN1037208A Wind shear recovery guidance system with stall protection
11/14/1989US4881186 Apparatus for measuring injection speed of die cast machines
11/02/1989WO1989010567A1 Accelerometer
11/02/1989EP0339626A1 Sensor
10/1989
10/31/1989US4876887 Thermal flux mass flowmeter
10/26/1989DE3812554A1 Anemometer with optical propeller scanning
10/24/1989US4876056 Flow measurement
10/19/1989WO1989009955A1 Wind shear recovery guidance system with stall protection
10/04/1989EP0335759A1 Ultrasonic anemometer
10/03/1989USRE33076 Air flow meter circuit with temperature compensation circuit
10/03/1989US4870745 Methods of making silicon-based sensors
09/1989
09/27/1989EP0333905A1 Laser Doppler anemometer (LDA) for measuring the velocity of moving objects
09/26/1989CA1261169A1 Laser doppler velocimeter
09/26/1989CA1261065A1 Windshear detection and warning system with evasion command
09/19/1989US4866985 Bucket wheel assembly for a flow measuring device
09/14/1989DE3806764A1 Constant-temperature anemometer
09/12/1989US4866639 Method and apparatus for determining the direction of motion in multiple exposure velocimetry
09/12/1989US4864854 Golfer's wind indicator and club selection assistance device
09/07/1989DE3806308A1 Temperature sensor
08/1989
08/29/1989US4861986 Tracer injection method
08/29/1989US4860583 Air velocity transmitter device
08/24/1989DE3825059C1 Heat transfer measuring unit, in particular a flow monitor
08/22/1989US4859055 Laser velocimeter
08/16/1989EP0327671A2 Flow-indicating or metering device
08/16/1989EP0327545A1 Determination of particle size and electric charge.
08/15/1989US4857922 Windshear detection and warning system with evasion command
08/15/1989US4856895 Method and apparatus for headbox jet velocity measurement
08/15/1989US4856330 Fluid speed or direction measuring apparatus
08/15/1989US4856329 Heat transfer measurement device, in particular flow monitor
08/15/1989US4856321 Apparatus and methods for measuring fluid flow parameters
08/15/1989CA1258531A1 Method for developing air data for use in flight control systems
08/10/1989WO1989007242A1 Circuit arrangement with a flow probe actuated by a bridge circuit
08/08/1989US4854579 Wind indicator for golfers
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