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)
12/1993
12/28/1993US5272915 Airflow sensing system
12/21/1993US5272513 Laser doppler velocimeter
12/21/1993US5272333 System for characterizing pressure, movement, and temperature of fluids
12/21/1993US5271954 Fluid flow visualization system
12/21/1993US5271675 System for characterizing pressure, movement, temperature and flow pattern of fluids
12/21/1993US5271404 Method and apparatus for processing signal data to form an envelope on line
12/21/1993US5271272 Fluid flow rate measuring element
12/21/1993US5271138 Thermal anemometer
12/21/1993CA1325342C Silicon-based mass airflow sensor and its fabrication method
12/16/1993DE4318808A1 Flow monitoring sensor - has metal housing with corrosion inhibiting coating
12/16/1993CA2098345A1 Flow indicator impeller module
12/15/1993EP0573477A1 Thermometric flow measurement.
12/09/1993DE4218156A1 Monitoring and measuring vol. flow of viscous liquid - using high frequency ultrasonic Doppler principle with forming gas bubble in liquid as ultrasonic reflectors
12/08/1993EP0573249A1 Continuous display of peak and mean blood flow velocities
12/08/1993EP0572583A1 Method and device for measurement of the flow velocities of gases and/or of quantities that can be derived from same.
12/08/1993EP0572581A1 Method and device for monitoring of a gas flow, in particular of a natural-gas flow.
12/08/1993EP0572381A1 A solid-state transducer based dynamic fluid flow sensing system
12/07/1993US5268739 Laser apparatus for measuring the velocity of a fluid
11/1993
11/30/1993US5267011 Laser doppler frequency control
11/30/1993US5265469 Wind detecting and alerting apparatus
11/25/1993DE4216504A1 Measuring volumetric stream of fluids - by adding reflector particles of brittle material to fluid before measuring
11/25/1993DE4215722A1 Membrane used in sensors - comprising membrane stretched by elastic connection in frame of single crystalline silicon@
11/23/1993US5264907 Output optics for laser velocimeters
11/23/1993US5263380 Differential AC anemometer
11/23/1993US5263369 Flow sensor system and method
11/18/1993EP0570052A2 Multiphase fluid flow measurement
11/18/1993DE4216086A1 Separable multi-part thermal flowmeter - has substrate for carrying temp. dependent measurement and reference resistances and housing parts for substrate with separate cavities for each resistance, one of which is exposed to fluid flow.
11/17/1993CN1078552A Method and device for determination of the velocity of a gas flowing in a pipe
11/16/1993US5262641 Compensation mechanism for a pressure sensor having counterweight mechanism
11/16/1993US5261407 Ultrasonic doppler blood-flow meter
11/11/1993DE4215258A1 Sensor, e.g. for measuring gas flow - has elastically deflectable flexural measurement and reference springs, e.g. with capacitive detection
11/11/1993DE4215147A1 Process and assembly to generate non-contaminating nitrogen@-steam fog - provides facilitation of visual detection of flow paths at slow speeds
11/09/1993US5259234 Calibration system for air metering bellmouths
11/04/1993DE4314364A1 Thermal flow sensor with reduced errors in measurement - comprising heat sensitive electrical resistance, holder, bridge circuit, and control switch
11/03/1993CN2145387Y Portable rotating current surveying instrument
11/02/1993US5257536 Aircraft probe for measuring aerodynamic parameters of amient flow
10/1993
10/28/1993WO1993021500A1 Method and device in acoustic flow measurement for ensuring the operability of said measurement
10/28/1993CA2109948A1 Method and device in acoustic flow measurement for ensuring the operability of said measurement
10/27/1993CN1077798A Optic frequency shift separation method for three-dimensional laser Doppler signal and three-dimensional laser Doppler speed measuring device
10/27/1993CN1077796A Method and device for monitoring of a gas flow, in particular of a natural-gas flow
10/26/1993US5257021 Low-level wind-shear alert system
10/21/1993DE4212960A1 Bubble generator with constricted nozzle - forms uniform stable bubbles, e.g. for testing air conditioner or filter
10/20/1993EP0566120A1 Method of measuring fluid flow
10/20/1993EP0565677A1 Optical flow detector.
10/20/1993CN2144309Y Optoelectronic sensor for wind speed of impeller
10/20/1993CN2144308Y Measurer for gas flow rate
10/19/1993US5255212 Method of predicting a physical quantity of a fluid or a magnetofluid
10/14/1993WO1993020411A1 Method and device for determination of the velocity of a gas flowing in a pipe
10/13/1993CN2143781Y Flow meter for water current in open canal
10/12/1993US5251490 Speed and direction
10/12/1993US5251481 Direct-intake air measuring apparatus
10/07/1993DE4211273A1 Flow measurement device with mechanically resonant structure - contains flexible element whose torsion is measured via magnetostrictive film permeability changes
10/05/1993US5249864 System for characterizing temperature of fluids
09/1993
09/30/1993WO1993019376A1 Method and device for optically measuring the size or speed of an object moving through a fluid
09/29/1993EP0506657A4 System for measuring velocity field of fluid flow utilizing a laser-doppler spectral image converter
09/29/1993CN2142971Y Differential-steering hydrographic cableway
09/28/1993US5249238 Spatial cross-correlating velocimeter
09/28/1993US5249136 System for measuring fluid-flow velocity distribution
09/28/1993CA1322474C Quad-disk static pressure probe
09/23/1993DE4222499A1 Temperature compensated micro flow sensor - has thermal column producing thermoelectric voltage with hot junctions on thin membrane evenly distributed w.r.t. heating resistance
09/22/1993EP0561680A1 Apparatus for measuring axial speed
09/22/1993EP0418224B1 Transducer device operating with ultrasound for the measurement of the flow velocity of a fluid in a pipe
09/21/1993US5247156 Apparatus for measuring physical properties of fluids
09/21/1993US5246006 Apparatus for ultrasonic color flow mapping
09/21/1993US5245858 Method of measuring air-speed in a reed groove
09/15/1993CN1022135C Method and apparatus for Fourier processing of pulsed doppler signals
09/14/1993US5243987 Apparatus for obtaining blood backscattering power excluding clutter components
09/14/1993US5243863 Fluid flow measurement system using two transducers with partitions therebetween
09/09/1993DE4207043A1 Gas flow transducer for measuring pressure, flow speed or volume - has rod perpendicular to flow with inlet and outlet apertures one after other in flow direction
09/09/1993DE4207031A1 Fluid or particle flow measuring device
09/08/1993EP0558834A1 Laminar flow element with integrated turbulence filter
09/08/1993CN1076024A Method and device for measurement of the flow velocities of gases and/or of quantities that can be derived from same
09/07/1993US5241866 Probe shapes that measure time-averaged streamwise momentum and cross-stream turbulence intensity
09/01/1993EP0557671A1 Vortex flow meter
08/1993
08/24/1993US5237872 Angular velocity sensor
08/24/1993US5237867 Thin-film air flow sensor using temperature-biasing resistive element
08/18/1993EP0555452A1 A method and a system for reducing the distance-dependent amplification factor when measuring fluid flow movements with an image-producing laser-doppler technique.
08/10/1993US5233867 Lever-operated dynamic fluid flow sensing system
08/10/1993US5233865 Probe systems for measuring static pressure and turbulence intensity in fluid streams
08/10/1993CA1321266C Air velocity transmitter device
08/05/1993DE4303212A1 Thermal flow sensor - has heat sensitive resistance film on holder part in flow channel or detector tube
08/03/1993US5231877 Solid state microanemometer
08/03/1993US5231876 Method and apparatus for wind speed and direction measurement
07/1993
07/27/1993US5231573 Method and system for acquiring flow velocities in ultrasound diagnosis apparatus
07/27/1993US5231463 Method for on-line fiber flow measurement
07/27/1993US5230331 Hot wire anemometer adapted for insertion in a calibration socket of a pulmonary gas flow monitor
07/22/1993WO1993014599A1 Laster doppler spectrometer for the statistical study of the behavior of microscopic organisms
07/22/1993WO1993014382A1 Device and method for measuring multi phase flow
07/21/1993EP0551463A1 Phase correction of complex-difference processed magnetic resonance angiograms
07/21/1993CN1074538A Space-time domain analysis method and apparatus for measuring speed of flow
07/21/1993CN1074535A Microcomputerized on-line real-time two-phase current high-speed measuring correlator
07/20/1993US5229849 Laser doppler spectrometer for the statistical study of the behavior of microscopic organisms
07/20/1993US5229830 Doppler velocimeter
07/20/1993US5229716 Process and device for real-time spectral analysis of complex unsteady signals
07/20/1993CA1320358C Silicon-based sensors and method of making same
07/15/1993DE4200309A1 Measuring flow of flowing medium within defined measurement vol. - deriving speed of motion of objects in flow from electro=optically acquired electronic image signals
07/14/1993EP0550735A1 Velocity measurement system
07/13/1993US5226418 Phase correction of complex - difference processed magnetic resonance angiograms
07/13/1993US5226333 Deep-well thermal flowmeter
07/13/1993US5226328 Velocity measurement system
1 ... 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 ... 85