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)
08/1993
08/10/1993US5233865 Probe systems for measuring static pressure and turbulence intensity in fluid streams
08/10/1993CA1321266C Air velocity transmitter device
08/07/1993WO1993016336A1 Switching device for instantaneous water heaters
08/07/1993CA2129331A1 Switching device for instantaneous water heaters
08/05/1993WO1993015381A1 Fluid mass flowmeter
08/05/1993WO1993015380A1 Nozzle damper assembly
08/05/1993WO1993015379A1 Flowmeter with concentrically arranged electromagnetic field
08/05/1993DE4303212A1 Thermal flow sensor - has heat sensitive resistance film on holder part in flow channel or detector tube
08/05/1993DE4202733A1 Temp. sensor, esp. for air mass sensor - has single crystal silicon@ structure on membrane in single crystal silicon frame using Seebeck and resistance temp. effects
08/04/1993EP0554148A1 Device for securing an ultrasonic measurement probe
08/04/1993EP0554059A2 Electromagnetic flowmeter
08/04/1993EP0553939A2 Coriolis flowmeter
08/04/1993EP0553550A2 Acoustic displacement flow meter
08/04/1993EP0529053A4 Delivery of aerosol medications for inspiration
08/04/1993EP0332690B1 Enhanced pressure measurement flow control system
08/04/1993CN2139690Y Middle flow glass rotor flowmeter
08/03/1993US5232006 System for separating gas from a liquid flow whose volume is to be measured
08/03/1993US5231884 Technique for substantially eliminating temperature induced measurement errors from a coriolis meter
08/03/1993US5231883 Transient flowmeter calibration facility
08/03/1993US5231878 Mass air flow sensor
08/03/1993US5231877 Solid state microanemometer
08/03/1993US5231871 Hot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meter
08/03/1993US5231841 Refrigerant charging system and control system therefor
08/01/1993CA2088466A1 Device for fixing an ultrasound metering sensor
07/1993
07/28/1993EP0552916A1 A sidestream flow sensor for spirometry
07/28/1993EP0552865A2 Coolant water flow rate test with rubidium nuclear tracer for reactors
07/28/1993EP0552466A2 Method for joining semiconductor substrates
07/28/1993CN1074756A Industrial sewage drainage total quantity measuring instrument
07/27/1993US5231463 Method for on-line fiber flow measurement
07/27/1993US5230254 Coriolis mass flowmeter with multiple vibrating tubes
07/27/1993US5230251 Flowmeter
07/27/1993US5230245 Flow meter and measuring method therefor
07/27/1993CA1320756C Device for measuring a characteristic of liquid flow in a vessel
07/22/1993WO1993014382A1 Device and method for measuring multi phase flow
07/22/1993WO1993014381A1 Method and apparatus for metering flow in closed conduits that surcharge
07/22/1993DE4200803A1 Sucking gas from liquid connector and feeding back to control vehicle refuelling fuel=air mixture - involves measuring pressure drop in feedback line, using difference between actual and demand vol. flow to control vol. flow.
07/22/1993CA2086962A1 Sidestream flow sensor for spirometry
07/21/1993EP0516841A4 Orifice system
07/21/1993CN1074535A Microcomputerized on-line real-time two-phase current high-speed measuring correlator
07/20/1993US5229716 Process and device for real-time spectral analysis of complex unsteady signals
07/20/1993US5228347 Method and apparatus for measuring flow by using phase advance
07/20/1993US5228346 Method of determining gas flow volume
07/20/1993US5228338 Flow sensor connector
07/20/1993US5228336 Engine intake air volume detection apparatus
07/20/1993US5228329 Leak detector for fluid distribution systems serving intermittent loads
07/20/1993US5228327 Technique for determining a mechanical zero value for a coriolis meter
07/20/1993CA1320359C Apparatus for measuring the flow of a fluid
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
07/13/1993US5226728 Method and apparatus for measuring mass flow and energy content using a differential pressure meter
07/13/1993US5226333 Deep-well thermal flowmeter
07/13/1993US5226330 High sensitivity mass flowmeter
07/13/1993US5226329 Flow sensor
07/13/1993US5226328 Velocity measurement system
07/13/1993US5226319 Hot wire air flow meter
07/13/1993US5226240 Measurement gauge for orifice meter
07/08/1993WO1993013425A1 A flow gauging system
07/08/1993WO1993013414A1 Method and device for monitoring of a gas flow, in particular of a natural-gas flow
07/08/1993WO1993013391A1 Coriolis effect meter using optical fiber sensors
07/08/1993CA2101653A1 Monitoring a gas flow
07/07/1993EP0550340A1 Procedure of continuous modulation of a fluid flow with the aid of a sequential electrically commanded valve
07/07/1993EP0550333A1 Method and apparatus for measuring gas flow rate
07/07/1993EP0549945A2 Flowmeter
07/07/1993CN2137782Y Portable speed-measuring tube
07/06/1993US5224482 Ultrasound high velocity flow correlation measurement using coded pulses
07/06/1993US5224394 Electrode seal assembly for a ceramic flow tube
07/06/1993US5224385 Method for obtaining electrical signals correlated with the position of a mass of mercury in instruments and the like
07/06/1993US5224378 Thermal flowmeter with detecting element supported by supports having engaging portions
07/06/1993US5224372 Multi-phase fluid flow measurement
07/06/1993CA1319841C Method of determining the quality of steam for stimulating hydrocarbon production
07/01/1993CA2086451A1 Method and apparatus for measuring gas flow
06/1993
06/30/1993EP0549038A1 Nuclear turbine coolant flow meter
06/30/1993EP0548439A1 Circuit for operating several electromagnetic flow sensors with a single utilizing circuit
06/30/1993CN1021478C Fluidized bed reactor
06/29/1993US5224026 Alternatable constant current circuit
06/29/1993US5222946 Compact intravenous fluid delivery system
06/29/1993US5222395 Thermal type flowmeter
06/29/1993CA1319533C Thermal anemometer
06/24/1993WO1993013390A1 Method and device for measurement of the flow velocities of gases and/or of quantities that can be derived from same
06/24/1993WO1993012413A1 Process and device for taking representative milk samples
06/24/1993WO1993012409A1 Flow sensor calibration
06/24/1993WO1993012406A1 Flowmeter
06/24/1993DE4243077A1 Taking representative samples form milk deliveries
06/24/1993CA2125976A1 Flowmeter
06/23/1993EP0547751A2 Electromagnetic flowmeter
06/23/1993EP0547617A1 Mass flow meter and method
06/23/1993EP0547595A2 Flow meter
06/23/1993EP0547577A1 Double wing vortex flowmeter
06/23/1993EP0547455A1 Mass flow rate meter
06/23/1993CN2136975Y Sensor for vortex street flow
06/22/1993US5221916 Heated extended resistance temperature sensor
06/22/1993US5220842 Vortex generator-sensor with pivotally balanced mass distribution
06/22/1993US5220841 Electromagnetic fluid flow transducer
06/22/1993US5220830 Compact gas flow meter using electronic microsensors
06/21/1993CA2085393A1 Metering of two-phase fluids using flow homogenizing devices and chemicals
06/17/1993DE4241892A1 Thermo-sensitive flowmeter - has bridge circuit with one series circuit contg. thermally sensitive resistor immersed in measurement liquid, and second series circuit forming bridge circuit
06/17/1993DE4241333A1 Semiconductor sensor for flow meter - contains semiconducting chip with sensor element contg. flow detector element with heating and temp. sensitive elements.
06/16/1993EP0396566B1 Transducer for an electromagnetic flow meter
06/16/1993CN2136461Y Hanging vertical impact plate type flowmeter