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)
07/1994
07/19/1994CA1330726C Fluid metering system
07/19/1994CA1330725C Coriolis-type mass flowmeter
07/19/1994CA1330724C Flow rectifier for vortex flowmeter
07/14/1994DE4300472A1 Measurement of mass flow of medium flowing through pipeline
07/13/1994EP0606017A2 Method and apparatus for detecting ink flow
07/13/1994EP0605944A2 Apparatus for determining fluid flow
07/12/1994US5327938 Adjustable orifice fitting carrier for a pipeline orifice fitting
07/12/1994US5327789 Electromagnetic detection system for variable area flowmeter
07/12/1994US5327788 Rotor operation in a vortex chamber flowmeter
07/12/1994US5327787 Electromagnetic flow meter with weir
07/07/1994WO1994015180A1 Calorimetric flowmeter
07/07/1994WO1994015179A1 Fluid flow rate measuring apparatus
07/07/1994DE4143509A1 Device for measuring small fluid and particle streams in tubes of small diameter
07/06/1994EP0604564A1 Thermistor airflow sensor assembly
07/06/1994CN1089028A Swirl metering mechanism
07/05/1994US5326969 System for characterizing flow pattern and pressure of a fluid
07/05/1994US5325729 Gas turbine meter
07/05/1994US5325728 Electromagnetic flow meter
07/05/1994US5325727 Apparatus and method for measuring the mass flow rate of liquid from a vessel
07/05/1994US5325726 Method and device for measuring volume flows in liquids and gases
07/05/1994US5325724 Apparatus for measuring the flowrate of a fluid
07/05/1994US5325712 Air flow meter
06/1994
06/30/1994DE4243410A1 Prodn. of thin film with resistance
06/29/1994EP0598720A4 Nonintrusive flow sensing system.
06/29/1994CN2170509Y Portable energy-saving type turbine flow indicator
06/29/1994CN2170508Y Electronic readout glass rotor flowmeter
06/29/1994CN2170507Y Wet water meter without gear box
06/28/1994US5324232 Permanent-magnet front or control coupling to transfer measured values, forces or torques
06/28/1994US5324111 Steam flow meter
06/28/1994US5323658 Coriolis mass flowmeter
06/28/1994US5323657 Volumetric flow corrector and method
06/28/1994US5323645 Device to investigate the flow movement in cylindrical components
06/23/1994WO1994014047A1 Transducer for the measurement of attributes of flowable media
06/22/1994EP0603057A1 Method and device for controlling the flux of particles in a conduit
06/22/1994CN1025133C Testing method of eddy current flowmeter
06/21/1994US5323483 Apparatus and method for controlling speed of suction motor in vacuum cleaner
06/21/1994US5321992 Measurement of gas flows with enhanced accuracy
06/21/1994US5321991 Coriolis effect mass flowmeter
06/21/1994US5321990 Vortex flow meter
06/21/1994US5321983 Method of correcting temperature characteristics of flow velocity sensor
06/21/1994CA2045758C Coriolis-type mass flow meter for sanitary use
06/19/1994CA2085805A1 Fluid flow rate measuring apparatus
06/15/1994EP0601475A1 Flowmeter
06/15/1994EP0601256A1 Coriolis type mass flow meter
06/15/1994EP0446241B1 A device for measuring the rate of flow of a flowing fluid
06/15/1994CN2169118Y Opened water channel flow meter
06/14/1994US5321386 Resistor element
06/14/1994US5321382 Thermal type flow rate sensor
06/14/1994US5320077 Fuel control system for internal combustion engine
06/14/1994US5319974 Ultrasonic level measuring system
06/14/1994US5319971 Measuring element for determining a flow rate of a flowing medium
06/10/1994CA2084904A1 Method for measuring mass flow rate
06/09/1994DE4241225A1 Flow measurement arrangement using ultrasonic signals - has auxiliary circuit contg. additional ultrasonic receiver for compensating error factors, and includes ac voltage generator
06/08/1994CN2168241Y Low-flow meter
06/08/1994CN1087715A Radioactive ionization capacitor and electromagnetic gas flowmeter
06/08/1994CN1024946C Combined measuring method for volume weight of pulp and flow rate of grouting
06/07/1994US5318073 Orifice plate seal
06/07/1994US5317928 Method for measuring the flow rate of a component of a two-component fluid mixture
06/07/1994US5317926 Electromagnetic flowmeter
06/07/1994US5317910 Process for determining a flow rate of a fluid
06/07/1994US5317903 Refrigerant charging system controlled by charging pressure change rate
06/07/1994CA1330000C Flowmeter
06/01/1994EP0599341A2 Device for the measuring and/or the volumetric control of a fluid
06/01/1994EP0598720A1 Nonintrusive flow sensing system.
06/01/1994EP0524951B1 Process for manufacturing micro-mechanical sensors
06/01/1994DE4240094A1 CCD camera system for control of flow on belt conveyor - evaluates shape and vol. of moving mass by processing of image of bright band projected onto surface
06/01/1994CN2167358Y Package block type electromagnetic flow and transfer device
06/01/1994CN1087422A Vortex flowmeter electronics
05/1994
05/31/1994US5316444 Pump control and method of pumping
05/31/1994US5316261 Fluid conduit having a variable inner diameter
05/31/1994US5316035 Capacitive proximity monitoring device for corrosive atmosphere environment
05/31/1994US5315880 Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals
05/31/1994US5315871 Thermal flowmeter with detecting element supported by supports having engaging portions
05/31/1994US5315870 Housing for an air flow rate meter
05/31/1994CA2020057C Method and means for determining exhaust backpressure in a crankcase scavenged two-stroke engine
05/26/1994DE4242630A1 Fluid flow sensor automatic self-monitoring - comparing flow rate values read out from memory with actual values provided by A=D converter
05/25/1994EP0598360A2 Bearing for the impeller of a watermeter
05/25/1994EP0598287A1 Coriolis flowmeter
05/25/1994EP0598075A1 Orifice system sealing assembly
05/25/1994EP0505402B1 Ultrasonic flow meter
05/25/1994CN2166433Y Thermal loading measuring probe for water cooling system of blast furnace
05/25/1994CN2166421Y Direct-reading electronic worm-gear gas flowmeter
05/25/1994CN2166420Y Flow sensor
05/25/1994CN2166419Y Vertical magnetically-suspended wormwheel gas flowmeter
05/25/1994CN2166418Y Pulse flow transducer
05/24/1994US5315316 Method and apparatus for summing temperature changes to detect ink flow
05/24/1994US5315248 Method and apparatus for nuclear magnetic resonance for measuring speed of flowing target object
05/24/1994US5313844 Flow transducer
05/24/1994US5313843 Karman vortex flow meter
05/24/1994US5313833 Milk flow meter
05/24/1994US5313832 Composite mass air flow sensor
05/24/1994US5313831 Radial junction thermal flowmeter
05/19/1994DE4238200A1 Multi-flow vane wheel meter for measuring fluid vol. - has measurement inset with vane container inside meter housing and disturbance body protruding into inlet chamber
05/19/1994DE4238149A1 Press. monitoring arrangement, esp. for clean room areas - contains thermal anemometers in flow channel with separating flow obstruction, and signal processor
05/19/1994DE4237907A1 Ultrasonic mass flowmeter, e.g. for vehicle engine air flow - has ultrasonic transducers and thermal sensor mounted on or in flow channel walls and connected to one or two evaluation units
05/19/1994DE4237902A1 Outlet device for flow measurement in ventilation systems - has housing with air inlet and air collection channel, calibration arrangement with tube contg. settling section
05/18/1994EP0597604A1 Gas concentration and/or flow sensor
05/18/1994EP0597530A1 Volumetric flowmeter using time of flight analysis
05/18/1994EP0597021A1 Coriolis effect mass flow meter.
05/18/1994CN2165423Y Double magnetic path connection device for float flowmeter