Patents
Patents for G01F 1 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (42,661)
06/1992
06/23/1992US5123285 Piezo electric impulse sensor
06/19/1992WO1992011464A1 Orifice system
06/17/1992EP0490764A1 Semi-conductor sensor for flow rate
06/17/1992EP0489903A1 Rapid pulse magnetic resonance analysis
06/17/1992CN2107641U Vortex street flowmeter
06/16/1992US5122756 Linearization of a sensing bridge circuit output
06/16/1992US5121749 Position in dependent volumetric flow measuring apparatus
06/16/1992US5121658 Mass-volume flowmeter
06/16/1992US5121640 Electromagnetic flow meter
06/16/1992US5121639 Fluid flow measurement
06/16/1992US5121638 Method and device for recording the flow rate of a stream of bulk material
06/16/1992CA1303675C Current source for a variable load with an inductive component
06/11/1992WO1992009886A1 System and method for monitoring debris in a fluid
06/11/1992DE4140572A1 Measuring throughput of one=phase or two=phase flow - by measuring temp. flow speed and pressure and determining phase components from timing of detection of electromagnetic or acoustic waves
06/10/1992EP0489474A1 Laser apparatus for measuring the velocity of a fluid
06/10/1992EP0271496B1 Portable measuring device provided with an instant gas flow rate reading
06/09/1992US5120951 Optoelectronic motion and fluid flow sensor with resilient member deflected by fluid flow
06/09/1992US5119683 Solenoid controller with flyback pulses useful for diagnostics and/or control
06/09/1992US5119674 Flowmeter
06/09/1992US5119672 Air flow rate meter
06/09/1992CA1303187C Gas consumption measuring system
06/09/1992CA1302984C Bulk flow meter
06/09/1992CA1302983C Bulk flow meter
06/03/1992EP0488754A1 Diamond fluid flow sensor
06/03/1992EP0488507A2 Water cut monitoring system
06/03/1992CN2106357U Ultrasonic flowmeter transducer installation positioner
06/03/1992CN1016897B Flow indicator for hulsating liquid
06/02/1992US5117698 Pulse train detection in transit time flowmeter
06/02/1992US5117691 Heated element velocimeter
06/02/1992CA1302183C Flow rate meter and automatic animal feeder installation employing such flow meter
05/1992
05/30/1992CA2044420A1 Water cut monitoring means and method
05/29/1992WO1992008957A1 Pump controller using acoustic spectral analysis
05/27/1992EP0487346A2 Air flow meter
05/27/1992EP0487227A1 Ion drag air flow meter
05/27/1992EP0486511A1 Dust deflector for silicon mass airflow sensor
05/27/1992DE4028486A1 Refuse incineration process control - is optimised w.r.t. variability of time taken to compress slack or compacted material entering process chamber
05/27/1992CN2105671U Mass flowmeter for small flow
05/27/1992CN2105670U Large range differential pressure type micro-computer flowmeter
05/26/1992US5117216 Distributed RTD
05/26/1992US5116119 Method and apparatus for measuring liquid flow
05/26/1992US5115684 Flowmeter for measuring the rate of fluid flow in a conduit
05/26/1992US5115683 Coriolis mass flow meter adapted for low flow rates
05/26/1992US5115682 Coronary artery graft flow-meter
05/26/1992US5115680 Displacement sensor with mechanical preamplification means
05/26/1992US5115672 System and method for valve monitoring using pipe-mounted ultrasonic transducers
05/26/1992US5115670 Measurement of fluid properties of two-phase fluids using an ultrasonic meter
05/26/1992CA1301483C Portable measuring device provided with an instant gas flow rate reading
05/26/1992CA1301481C Method for determining quality of reduced quality steam
05/26/1992CA1301476C Flow metering device
05/21/1992DE4037349A1 Directly measuring fuel flow to ship's engines - using measuring container, filled and emptied in phases to set threshold values to ascertain fuel consumption on gravimetric principle
05/21/1992DE4036869A1 Karman vortex counter having non-metallic bluff body with protective coating - pref. of plastics or ceramic and integrated vortex frequency detector
05/20/1992WO1992008955A1 Mounting means for fluid pressure transmitters
05/20/1992EP0485684A1 Flow sensor
05/20/1992EP0485418A1 Process for correcting measurement errors of a hot-film device for measuring air masses.
05/20/1992CN2105050U Indirect liquid quality and flow metering device
05/20/1992CN2105049U Integrative uniform pipe flow transporter
05/20/1992CN1061281A Automatic recording conbined measuring method and its installation for volume weight of pulp liquor and flow rate of grouting
05/20/1992CN1016727B Method for making electrode of electromagnetic flowmeter
05/19/1992US5113867 Fluid flow characterizing
05/19/1992US5113691 Turbine-medium flow monitor
05/19/1992US5113690 Electromagnetic flowmeter
05/15/1992WO1992008958A1 Particle weighing apparatus and method
05/15/1992CA2096252A1 Particle weighing apparatus and method
05/14/1992WO1992008963A1 Automatic fluid sampling and monitoring apparatus and method
05/14/1992WO1992008956A1 Apparatus for measuring physical properties of fluids
05/14/1992DE4035518A1 Vol flow measuring method for pumped feed - using detected pressure character along feed line to determine feed pump parameters
05/14/1992CA2073688A1 Apparatus for measuring physical properties of fluids_
05/14/1992CA2073512A1 Automatic fluid sampling and monitoring apparatus and method
05/14/1992CA2053944A1 Ion drag air flow meter
05/13/1992EP0485135A1 Magnetic flow meter
05/13/1992EP0484876A1 Device for dynamically measuring bubble content of flowing liquid
05/13/1992EP0484645A1 Methods and systems for fluid identification and flow rate determination
05/12/1992US5111825 Ultrasonic Doppler flow meter
05/12/1992US5111700 Method and apparatus for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like
05/12/1992US5111692 Temperature compensated liquid level and fluid flow sensor
05/12/1992CA1300402C Apparatus and method for continuously measuring mass flow
05/12/1992CA1300401C Mass flow measuring device
05/06/1992EP0483522A1 Apparatus for obtaining blood backscattering power excluding clutter components
05/06/1992EP0483515A1 Volumetric fluid flowmeter
05/06/1992EP0483292A1 Liquid counter
05/06/1992EP0337996B1 Vortex-shedding flowmeters
05/05/1992US5109705 Turbine rate-of-flow transducer
05/05/1992US5109704 Vortex flowmeter with balanced vortex sensor
05/05/1992US5109703 Vortex flow meter
04/1992
04/30/1992WO1992007257A1 System and method for detecting bubbles in a flowing fluid
04/30/1992WO1992007237A1 Device for determining fluid throughput
04/30/1992DE4105675C1 Miniature electrostatic pump or flow velocity sensor - has semiconductor device sandwiched between facing plates with flow apertures
04/30/1992DE4105118C1 Miniature electrostatic pump or flow velocity sensor - has active zone protected while remainder of semiconductor device is embedded in resin mass
04/30/1992DE4034247A1 Capacitive transducer for differential pressure measurement - achieves precise, linear characteristic with small parallel capacitances using nonlinear flexing region of centre electrode
04/29/1992EP0482201A1 Method of controlling a waste combustion process
04/29/1992CN2103122U Multifunction digital flowmeter
04/29/1992CN2103121U Equalizing speed flowmeter
04/29/1992CN1060714A Testing method of eddy currents flowmeter
04/28/1992US5108193 Thermal flow sensor
04/28/1992US5108074 Micrometric metering device
04/28/1992US5107892 Weir construction for liquid distributors
04/28/1992US5107812 Thermal type intake air flow measuring instrument and internal combustion engine control apparatus using this measuring instrument
04/23/1992DE4032962A1 Verwendung einer auf der basis optischer absorption arbeitenden massenfluss-ermittlungsvorrichtung zur dosierung von stoffen Using a working on the basis of optical absorption mass flow-determination device for dosing of materials
04/22/1992EP0481691A1 Ultrasonic doppler flow measurement system with tissue motion discrimination
04/22/1992EP0481594A1 Gyro apparatus employing a semiconductor device