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)
11/1993
11/30/1993CA1324832C Method and apparatus for detecting laminar flow separation and reattachment
11/25/1993WO1993022968A1 Oxygen flow meter indicator
11/25/1993DE4216623A1 Condensate quantity measuring system - has temp. sensors and flowmeters in cooling water delivery line and in cooling medium-steam condensate mixture output line, and timer for determining duration of measurement.
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@
11/24/1993EP0570526A1 Device, system and method for measuring an interface between two fluids
11/24/1993CN2147518Y Air (vapour)thermodynamic parameter instrument
11/24/1993CN2147513Y Circulation hole plate flow quantity transforming device
11/24/1993CN1022863C Coriolis-type mass flowmeter having separate parallel tubes
11/23/1993US5263608 Method and apparatus for dispensing a constant controlled volume of adhesive
11/23/1993US5263380 Differential AC anemometer
11/23/1993US5263374 Flowmeter with concentrically arranged electromagnetic field
11/23/1993US5263369 Flow sensor system and method
11/23/1993CA1324509C Electrolyte flowmeter
11/23/1993CA1324508C Variable gas volume flow measuring and control methods and apparatus
11/23/1993CA1324507C Self-averaging pitot tube probe and method for measuring fluid flow
11/18/1993EP0570052A2 Multiphase fluid flow measurement
11/18/1993EP0569837A2 Steam flow meter
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.
11/17/1993CN2146701Y Fluid flow sensor
11/17/1993CN1078553A Schuettgutwaage
11/17/1993CN1078552A Method and device for determination of the velocity of a gas flowing in a pipe
11/16/1993US5261538 Aerosol testing method
11/16/1993US5261284 Non-interacting enclosure design for coriolis mass flow meters
11/16/1993US5261283 Measuring device and method for cleansing a measuring electrode in said device
11/16/1993US5261282 Method and apparatus for monitoring a continuous cooking process based on particulate residence time
11/16/1993US5261268 Gas leak detection system
11/16/1993CA1324268C Coriolis mass flow meter employing non-metallic flow conduit structure
11/11/1993WO1993022653A1 Detecting particles in a gas flow
11/11/1993WO1993022652A1 Measuring and monitoring the size of particulate material
11/11/1993WO1993022633A1 Balance for bulk material
11/11/1993WO1993022630A2 Device for testing the operability of a system for detecting heat-radiating particles carried in a particle stream
11/11/1993WO1993022628A1 Flowrate monitoring apparatus for multiphase fluids
11/11/1993WO1993022627A1 Flow meter having a fluidic oscillator
11/11/1993WO1993022626A1 Fluidic oscillator and flow meter comprising same
11/11/1993DE4215258A1 Sensor, e.g. for measuring gas flow - has elastically deflectable flexural measurement and reference springs, e.g. with capacitive detection
11/11/1993CA2110906A1 Flow meter having a fluidic oscillator
11/11/1993CA2110804A1 Fluidic oscillator and flow meter comprising same
11/10/1993CN1078305A Twin fulcrum target type flow sensor
11/09/1993US5259355 Gaseous fuel flow rate detecting system
11/09/1993US5259250 Multi-phase fluid flow mesurement
11/09/1993US5259243 Flow sensor
11/09/1993US5259239 Hydrocarbon mass flow meter
11/09/1993US5259234 Calibration system for air metering bellmouths
11/09/1993US5259186 Gas turbine fuel control
11/09/1993CA1324005C Mass-volume flowmeter
11/09/1993CA1324004C Convective inertia force flowmeter
11/09/1993CA1324003C Convective attenuation flowmeter
11/09/1993CA1324001C Cantilever beam, insertable, vortex meter sensor
11/04/1993WO1993022629A1 Coriolis type apparatus for measuring mass flow of a fluid stream
11/04/1993DE4314364A1 Thermal flow sensor with reduced errors in measurement - comprising heat sensitive electrical resistance, holder, bridge circuit, and control switch
11/03/1993EP0414837B1 Sensor for determining the volume of liquid or gaseous media
11/03/1993EP0401225B1 Circuit controlled flow probe
11/03/1993CN2145368Y Reading channel water-meter
11/03/1993CN1022646C Mass flowmeter
11/02/1993US5257530 Acoustic sand detector for fluid flowstreams
10/1993
10/28/1993WO1993021535A1 Non-contact device for rpm measurement
10/28/1993WO1993021505A1 Self-validating sensors
10/28/1993WO1993021501A1 A hydrocarbon mass flow meter
10/28/1993WO1993021500A1 Method and device in acoustic flow measurement for ensuring the operability of said measurement
10/28/1993WO1993020956A1 Aerosol testing method
10/28/1993CA2134085A1 Aerosol testing method
10/28/1993CA2109948A1 Method and device in acoustic flow measurement for ensuring the operability of said measurement
10/27/1993EP0566859A1 Ultrasonic flowmeter with helical measuring channel
10/27/1993CN2144817Y Safety gas meter
10/27/1993CN1077796A Method and device for monitoring of a gas flow, in particular of a natural-gas flow
10/26/1993US5256464 Substrate
10/26/1993CA1323530C Two cycle engine with low pressure crankcase fuel injection
10/21/1993DE4309782A1 Sensor for mass flow regulator, esp. for controlling gas flow rate - has surrounding housing covered with thermal insulation plate and has sensor tube arranged in and projecting through housing
10/20/1993EP0565851A1 Ultrasonic transducer for liquid flow measurement
10/20/1993EP0565677A1 Optical flow detector.
10/20/1993EP0151638B2 Mass flow-meter
10/20/1993CN1022509C Gas/liquid flow measurement using coriolis-based flow meters
10/19/1993US5253651 Ventilatory instrument for measuring peak expiratory flow
10/19/1993US5253537 Magnetic flow meter
10/19/1993US5253536 Rotary flowmeter with variable inlet
10/19/1993US5253535 Apparatus and method for monitoring mass flow of solids
10/19/1993US5253533 Mass flow meter
10/19/1993US5253520 Flow sensor connector
10/19/1993US5253517 Converting air mass into a laminar air flow
10/19/1993CA1323215C High temperature coriolis mass flow rate meter
10/19/1993CA1323214C Water flow measuring and dispersing device
10/14/1993WO1993020411A1 Method and device for determination of the velocity of a gas flowing in a pipe
10/14/1993WO1993020410A1 Variable area flowmeter
10/14/1993DE4211704A1 Meßanordnung zur berührungslosen Drehzahlerfassung Measuring device for non-contact speed sensing
10/13/1993EP0565485A1 Method and device to measure the flow of a medium and application of the method
10/13/1993EP0564682A1 Oscillating body arrangement for a mass flowmeter
10/13/1993EP0436546B1 Dusting apparatus
10/13/1993EP0378651B1 Process and arrangement for flow measurement by means of ultrasonic waves
10/13/1993CN2143766Y Metric separator for crude oil containing high water and sand
10/12/1993USRE34403 Hot-wire type air flow meter and an internal combustion engine with the same
10/12/1993US5251636 Multiple thin film sensor system
10/12/1993US5251490 Speed and direction
10/12/1993US5251488 Multiphase volume and flow test instrument
10/12/1993US5251481 Direct-intake air measuring apparatus
10/12/1993US5251479 Downhole wellbore tool for measuring flow parameters
10/12/1993CA1322875C Differential pressure transmitter, a square root extractor device therefor, and methods of making the same
10/07/1993DE4211544A1 Liquid meter - contains vane wheel in flow chamber with circumferentially-extending vane end projections extending gaps between vanes and inner chamber wall
10/07/1993DE4211273A1 Flow measurement device with mechanically resonant structure - contains flexible element whose torsion is measured via magnetostrictive film permeability changes
10/06/1993EP0277121B1 Fluid flowmeter