Patents for G01F 5 - Measuring a proportion of the volume flow (1,398)
03/1997
03/19/1997EP0670034B1 Method and apparatus for measuring the flow rate of a medium flow
01/1997
01/28/1997US5596969 In an internal combustion engine
01/08/1997EP0322459B1 Hot wire type air flow meter
12/1996
12/19/1996DE19623486A1 Thermal quantity meter for flowmeter in vehicle IC engine
12/04/1996CN1137313A Device for measuring mass of flowing medium
12/03/1996US5581026 Flow meter
11/1996
11/19/1996US5576498 Laminar flow element for a flowmeter
11/14/1996DE19619247A1 Air flow meter of thermal resistance type for measuring air flow rate
11/13/1996EP0741859A1 Device for measuring the mass of a flowing medium
11/06/1996CN1135044A Thermal resistance type device for measuring flow-rate
11/05/1996US5571964 Flow meter
10/1996
10/02/1996DE19511687A1 Rate of flow sensor working according to thermo electric principle
09/1996
09/12/1996DE19507542C1 Mass flowrate measuring system for milking device
09/10/1996US5554805 Flowmeter with a variable constriction
09/06/1996WO1996021182A3 Flow controller, parts of flow controller, and related method
08/1996
08/22/1996WO1996025594A1 Optimization control for gas engines with a three-way catalyst
08/20/1996US5546801 Water flow meter adapter for residential fire service sprinkler systems
08/20/1996CA2061892C Supplying fluid
08/13/1996US5544527 Flow meter having a main passage and a branch passage partially partitioned into plural regions
07/1996
07/23/1996US5537870 Contaminant free backflow reducing insert for mass air flow sensors
07/11/1996WO1996021182A2 Flow controller, parts of flow controller, and related method
06/1996
06/05/1996CN1124063A Device for measuring the mass of a flowing medium
05/1996
05/30/1996WO1996016317A1 Device for measuring the mass of a flowing medium
05/30/1996DE4441874A1 Vorrichtung zur Messung der Masse eines strömenden Mediums Device for measuring the mass of a flowing medium,
05/01/1996EP0630468A4 In-line parallel proportionally partitioned by-pass metering device and method.
04/1996
04/30/1996US5511416 Wide range laminar flow element
04/24/1996EP0708315A2 Thermal-type air flow measuring instrument
04/24/1996EP0708246A2 Pump assembly
03/1996
03/13/1996CN1118624A In-flow coriolis effect mass flowmeter
02/1996
02/21/1996EP0697099A1 Device for measuring the mass of a flowing medium
01/1996
01/23/1996US5485746 Hot-wire type airflow meter having a flow smoothing core
01/04/1996DE19522648A1 Thermal flowmeter for motor vehicle
12/1995
12/19/1995US5476012 Air flow sensor with swirl generator
12/14/1995DE19516221A1 Heat responsive flowmeter for air in pipe
12/06/1995EP0685713A2 Thermal type air flow measuring instrument for internal combustion engine
11/1995
11/21/1995US5467648 Air flow rate measuring device
11/15/1995CN1030270C Computerized electric organ with instruction system
11/08/1995EP0680602A1 In-flow coriolis effect mass flowmeter
10/1995
10/31/1995US5461912 Accurate method of measure tray pressure drop to determine liquid flow in flue gas desulfurization systems
10/10/1995US5456121 Pivotable vane flowmeter with capacitive position sensor
09/1995
09/19/1995US5450760 Turbine flowmeter with capacitive transducer
09/08/1995WO1995023955A1 Device for measuring the mass of a flowing medium
09/07/1995DE4407209A1 Vorrichtung zur Messung der Masse eines strömenden Mediums Device for measuring the mass of a flowing medium,
09/06/1995EP0670034A1 Method and apparatus for measuring the flow rate of a medium flow.
08/1995
08/02/1995EP0664879A1 Thermal mass flow controller having orthogonal thermal mass flow sensor
07/1995
07/19/1995CN1105448A Method for measuring three-phase flow of oil, gas and water and apparatus thereof
06/1995
06/29/1995DE4446476A1 Air flowmeter for i.c. engine air intake
06/29/1995DE4344101A1 Mass spectrometer sensor assembly measuring air intake in IC engine
06/28/1995EP0660090A2 Hot-wire type air-flow meter for internal combustion engines
05/1995
05/16/1995US5415029 Air flow detector for engine control unit
04/1995
04/26/1995EP0649515A1 Flowmeter
04/18/1995US5406840 Supplying fluid
04/05/1995EP0567495B1 Method and device for determining, for a particular fertiliser type, the fertiliser-spreader settings necessary for the required width and density of coverage
03/1995
03/23/1995WO1995008065A1 Wide range laminar flow element
03/21/1995US5398548 Karman vortex flow meter
02/1995
02/22/1995EP0639155A1 Product ratio identification system for beverage dispenser
02/16/1995DE4428216A1 Hot wire air flow measuring instrument
01/1995
01/26/1995WO1995002812A1 Device for controlling or measuring gas flow
01/24/1995US5383356 Mass air flow sensor arrangement having increased dynamic range
01/18/1995CN1027468C Intellectural steam-air ratio displaying instrument
01/17/1995US5381691 Air flow meter
01/11/1995EP0632882A1 Flow circuit and flow meter
12/1994
12/28/1994EP0630468A1 In-line parallel proportionally partitioned by-pass metering device and method
10/1994
10/25/1994US5357809 Volumetric flow corrector having a densitometer
10/25/1994US5357793 For measuring mass flow or pressure differences in a fluid stream
10/18/1994US5355726 Housing for reducing back air flow to mass air flow sensors
10/13/1994WO1994023203A1 Bypass flowmeter for measuring hydraulic characteristics of pumping installations
10/13/1994DE4410352A1 Air mass flow sensor arrangement
10/12/1994EP0619474A1 Diaphragm mounting device in water-drawing point next to a flow meter
10/04/1994US5351536 Air flow rate detector
09/1994
09/20/1994US5347874 In-flow coriolis effect mass flowmeter
08/1994
08/31/1994EP0433411B1 Air-flow meter
08/16/1994US5337603 Elbow mass flow meter
08/04/1994WO1994017375A1 In-flow coriolis effect mass flowmeter
08/03/1994EP0608736A2 Volumetric flow corrector having a densitometer
08/03/1994EP0608514A2 Volumetric flow corrector and method
08/02/1994US5333496 In-line parallel proportionally partitioned by-pass metering device and method
07/1994
07/26/1994US5332125 Method & apparatus for metering flow of a two-component dispensing system
07/26/1994US5332005 Laminar flow element and method for metering fluid flow
07/19/1994US5329812 Thermal flow sensor
07/19/1994CA1330726C Fluid metering system
07/05/1994US5325712 Air flow meter
06/1994
06/28/1994US5323657 Volumetric flow corrector and method
06/22/1994EP0602629A1 Watertap, in particular water mixer-tap with flow measuring device
05/1994
05/31/1994US5315870 Housing for an air flow rate meter
05/18/1994EP0596921A1 Flowrate control device
05/17/1994US5312017 Product identification system for beverage dispenser
05/11/1994WO1994010540A1 Method and apparatus for measuring the flow rate of a medium flow
05/10/1994US5309762 Mass flowmeter with hermetically sealed housing
04/1994
04/28/1994WO1994009344A1 Thermal mass flow controller having orthogonal thermal mass flow sensor
04/28/1994DE4236015A1 Liquid flow meter with measurement rotor - has gear wheel rotor turning in path of measurement light beam inside measuring chamber, rotor speed corresp. to flow rate
04/26/1994US5305638 Mass flowmeter having non-adjustable flow splitter
04/19/1994US5303584 Intake air flow rate measuring apparatus for internal combustion engine, having water-absorptive porous protective member
04/12/1994US5301547 Air flow rate meter
03/1994
03/29/1994US5297427 Wide-range laminar flowmeter
03/29/1994US5297426 Hydrodynamic fluid divider for fluid measuring devices
03/23/1994EP0588626A2 Air flow rate measuring device
03/22/1994US5295394 Bypass unit for a flowmeter sensor
03/17/1994WO1994005977A1 Wide-range laminar flowmeter
02/1994
02/09/1994EP0581896A1 Thermal mass flow sensor
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