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)
11/2000
11/01/2000CN2404105Y Double-rotor flowmeter
11/01/2000CN2404104Y Flowmeter
11/01/2000CN2404103Y Cyclone flowmeter
11/01/2000CN2404102Y Internal digital display target type flowmeter
11/01/2000CN1272177A Combined pickoff and oscillatory driver use in coriolis flowmeters and method of operating same
11/01/2000CN1272176A Device for measuring mass of flow medium
10/2000
10/31/2000US6140740 Piezoelectric transducer
10/31/2000US6139758 Method of manufacturing a micromachined thermal flowmeter
10/31/2000US6138519 Flow guide for a turbine wheel gas meter
10/31/2000US6138518 Mass flow measurement
10/31/2000US6138517 Mass flowmeter with bidirectionally wound oscillation detector
10/31/2000US6138504 Air/fuel ratio control system
10/31/2000CA2213349C Modified airflow algorithm with compensation for variations in main reservoir air pressure and ambient airflow
10/26/2000WO2000063656A1 Hot wire air flowmeter and internal combustion engine
10/26/2000WO2000000792A9 Cross-sectional color doppler volume flow measurement
10/26/2000DE19949138A1 Thermosensitive flowmeter for fuel injection equipment of vehicle engine, has current source with filter to change offset voltage temporarily, during source current supply to non-inverting terminal of amplifier
10/26/2000DE19913850A1 Throughput measurement where medium density unknown, involves deriving medium density from pressure differences and geometric dimensions of two measurement sections
10/25/2000EP1046887A1 Device for measuring a fluid mass flow
10/25/2000EP1046886A1 Transmitting and/or receiving transducer of an ultrasonic flowmeter
10/25/2000EP1046864A2 Venturi meter with calibration pin for gas boilers with sealed combustion chamber
10/25/2000EP1046025A1 Real-time on-road vehicle exhaust gas modular flowmeter and emissions reporting system
10/25/2000CN2403001Y Float pressure flowmeter
10/25/2000CN1271088A Measuring method and device for solid material flow rate
10/25/2000CN1057834C 涡轮流量计 Turbine Flowmeter
10/25/2000CN1057833C Wotman flowmeter
10/24/2000US6135943 Non-invasive flow indicator for a rotary blood pump
10/24/2000US6134960 Thermal-type flow sensor
10/24/2000US6134959 Method for detecting flow bifurcation during sonic flow conditions
10/24/2000US6134951 Method and apparatus for determining the water content of an oil stream
10/23/2000CA2306059A1 Dual transmitter multi-capacitance flow meter
10/19/2000WO2000062095A1 Radiation detector and an apparatus for use in radiography
10/19/2000DE19913910A1 Gas-flow temperature determination procedure especially for motor vehicle internal combustion (IC) engine exhaust gas
10/19/2000DE19655001C2 Air flow amount measuring probe for internal combustion engine of motor vehicle
10/19/2000CA2398767A1 A radiation detector for limiting spark discharges
10/18/2000EP1045246A1 Evaluation and regulation of the thermal power of a stream of combustible gas, and characterization of thermal mass flowmeter
10/18/2000EP1045236A1 Water flow controler
10/18/2000EP1044355A1 Self-oscillating fluid sensor
10/18/2000EP1044348A1 Safety device for detecting a flow of fumes inside an exhaust pipe
10/18/2000CN2401874Y Valve type orifice restrictor with tube bank rectifier
10/18/2000CN1270667A Fluidic flowmeter
10/17/2000US6131471 Liquid level sensor
10/17/2000US6131470 Fluidic meter of reduced size
10/17/2000US6131453 Bi-directional mass airflow sensor having integral wheatstone bridge
10/12/2000WO2000060317A1 Clamp-on ultrasonic flow meter for low density fluids
10/12/2000WO2000060316A1 Insertion-type vortex flowmeter
10/12/2000WO2000059824A1 Method for producing self-supporting micro-structures, consisting of thin, flat sections or membranes, and use of micro-structures produced by said method as a resistance grid in a device for measuring weak gas flows
10/12/2000WO2000023773A8 Stream-cleaned differential reflection coefficient sensor
10/12/2000DE19941330A1 Heat sensitive flow rate sensor, eg for liquids, comprises a flow rate detector, a holder, a substrate, a heat sensitive film and a membrane.
10/12/2000DE10014106A1 Impeller flowmeter, especially for electric continuous flow heater; has casing for pipe connections and impeller shaft and has Hall sensor held in sensor head arranged in pocket in outside of casing
10/11/2000EP1043572A1 Device for detecting the presence of flow of a fluid
10/11/2000EP1042822A1 Piezoelectric transducer
10/11/2000EP1042651A1 Electrode integrity checking
10/11/2000EP0659092B1 Peritoneal dialysis system
10/11/2000CN2400787Y Light packaged watermeter
10/11/2000CN2400784Y Battery running card watermeter
10/11/2000CN1269886A Method for determining quantity of solid and/or liquid material contained in two-phase current with gaseous carrier medium
10/11/2000CN1269882A Two-piece manifold
10/11/2000CN1269880A Liquid level sensor
10/11/2000CN1269768A Hollow fine powder, flaky fine titanium oxide powder prepared by pulverising said hollow fine powder and process for preparing both
10/11/2000CN1269502A Water pump measuring and controlling IC card device
10/11/2000CN1057382C Instrument amplifier struture of electromagnetic flowmeters
10/10/2000US6129702 Medicament dosing system
10/10/2000US6129113 Air flow measurement station with orthogonally mounted damper
10/10/2000US6128963 Gas flow restricting and sensing device
10/10/2000US6128962 Three-phase fluid flow measurement system and method
10/10/2000CA2017356C Methode and apparatus for measuring properties of a multi-phase fluid
10/05/2000WO2000058696A1 Flowmeter calibration system with statistical optimization technique
10/05/2000WO2000058695A1 Method and device for measuring a parameter of a metal bed
10/05/2000WO2000058016A1 Controlled deliveries and depositions of pharmaceutical and other aerosolized masses
10/05/2000DE19913968A1 Thermal flow sensor for determining the flow of liquid or gas through a pipe involves evaluating temperature of two sensors with the ambient temperature
10/04/2000EP1041367A1 Flowmeter
10/04/2000EP1041366A2 Pressure transmitter installation in a process line of a process plant and preassembled installation block
10/04/2000EP1041365A1 Counter for flowable media
10/04/2000EP1040323A1 Cross-sectional color doppler volume flow measurement
10/04/2000EP1039975A1 Piezoelectric transducer with a temperature-sensitive component
10/04/2000CN2399707Y Magnetic sensing protector
10/04/2000CN2399706Y Magnetic sensitive liquid flowmeter senser
10/04/2000CN2399705Y Applicating metering device of fumigant
10/04/2000CN1269011A Method for dry-calibrating vortex flow sensors
10/04/2000CN1268659A Ke's mass flowmeter digital signal processing system
10/03/2000US6128072 Optical flow meter integrally mounted to a rigid plate with direct optical access to the interior of a pipe
10/03/2000US6125695 Method and apparatus for measuring a fluid
09/2000
09/28/2000WO2000057193A2 Measuring and controlling the flow of flowable materials
09/28/2000WO2000057143A1 Volume flow measuring device
09/28/2000WO2000057141A1 Coriolis flowmeter with reduced dimensions
09/28/2000WO2000057140A1 Instrument for concrete volume measurement
09/28/2000WO2000057139A1 Measuring and controlling the flow of flowable materials
09/28/2000WO2000057138A1 Method and apparatus for measuring the mass flow rate of a fluid
09/28/2000DE19952294A1 Device to measure flow quantity of suction air in vehicle or other internal combustion engine; has hot-wire anemometer and parts to calculate back-flow from measured flow, and to correct for flow
09/28/2000DE19909469C1 Vorrichtung und Verfahren zur Messung der Strömungsgeschwindigkeit eines Fluids Apparatus and method for measuring the flow velocity of a fluid
09/27/2000EP1039270A1 Water meter
09/27/2000EP1039269A1 Electromagnetic flow sensor and method of manufacturing the same
09/27/2000EP1038160A1 Method and device for the self-compensating measurement of volume flow rate of gases
09/27/2000CN2398618Y Oil well pressure flowmeter
09/27/2000CN2398617Y Probe for measuring flow
09/27/2000CN2398616Y Producing well logging target flow transmitter
09/27/2000CN1268218A Measurement of flow fractions, flow velocities, and flow rates of a multiphase fluid using ESR sensing
09/26/2000US6124794 Empty product detector
09/26/2000US6122977 Impeller torque measuring device
09/26/2000CA2270098A1 Measuring device for measuring the flow rate and temperature of a flowable medium