Patents for G01F 5 - Measuring a proportion of the volume flow (1,398) |
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02/17/2000 | WO1999019695A3 Mass flow sensor system for fast temperature sensing responses |
02/15/2000 | US6023969 Flow modulated mass flow sensor |
02/10/2000 | DE19835342A1 Verfahren und Vorrichtung zum Messen einer zur Strömungsgeschwindigkeit proportionalen Größe eines Gasstroms und der Menge eines durch eine Leitung strömenden Gases, insbesondere zum Messen der Ansaugluftmenge eines Verbrennungsmotors Method and apparatus for measuring a size proportional to the flow velocity of a gas stream and the amount of a flowing gas through a conduit, in particular for measuring the intake air of an internal combustion engine |
02/01/2000 | US6018994 Temperature sensitive flow sensor having plate-like straightening members on the metering pipe |
01/11/2000 | US6012432 Thermal-type airflow meter, intake air system for an internal combustion engine, and control system for the same |
01/11/2000 | CA2147619C Method and apparatus for measuring the flow rate of a medium flow |
01/05/2000 | EP0664879B1 Thermal mass flow controller having orthogonal thermal mass flow sensor |
11/23/1999 | US5987981 Method for momentarily identifying a gas or liquid flow, and device for carry out the method |
11/03/1999 | CN1234113A Exhaust gas measuring instrument |
11/02/1999 | US5975126 Method and apparatus for detecting and controlling mass flow |
10/21/1999 | WO1999053276A1 Measuring device for measuring the mass of a flowing medium |
10/21/1999 | WO1999053275A1 Device for measuring the mass of a flowing medium |
10/21/1999 | WO1999053274A1 Measuring device for measuring the mass of a medium flowing in a line |
10/21/1999 | DE19913654A1 Throughput measuring system with throughput duct so provided in main duct for fluid to run essentially parallel to main duct and throughput measuring sensor positioned in |
10/14/1999 | DE19815658A1 Vorrichtung zum Messen der Masse eines strömenden Mediums Apparatus for measuring the mass of a flowing medium |
10/14/1999 | DE19815656A1 Meßvorrichtung zum Messen der Masse eines strömenden Mediums Measuring device for measuring the mass of a flowing medium |
10/14/1999 | DE19815654A1 Meßvorrichtung zum Messen der Masse eines in einer Leitung strömenden Mediums Measuring device for measuring the mass of a medium flowing in a line |
09/30/1999 | WO1999049284A1 Method and apparatus for measuring airflows in hvac systems |
09/22/1999 | EP0943901A1 Fitting for a liquid flowmeter |
09/10/1999 | WO1999034198A3 Fluid property and flow sensing via a common frequency generator and fast fourier transformation |
09/08/1999 | EP0940742A2 Flow controller, parts of flow controller, and related method |
09/08/1999 | EP0940741A2 Flow controller, parts of flow controller, and related method |
09/08/1999 | EP0940740A2 Flow controller, parts of flow controller, and related method |
09/08/1999 | EP0940657A2 Air flow meter |
09/07/1999 | US5948975 Device for measuring the mass of a flowing medium |
09/07/1999 | US5946905 Optimization control for gas engines with a three-way catalyst |
08/31/1999 | US5944048 Method and apparatus for detecting and controlling mass flow |
08/24/1999 | US5942683 Apparatus for measuring gas flow rate in a bypass passage and having a passage restriction portion downstream of the detecting element |
08/17/1999 | US5939628 Thermal type air flow measuring instrument for internal combustion engine |
07/14/1999 | EP0928962A1 Exhaust gas measuring instrument |
07/08/1999 | WO1999034198A2 Fluid property and flow sensing via a common frequency generator and fast fourier transformation |
07/08/1999 | CA2316916A1 Fluid property and flow sensing via a common frequency generator and fast fourier transform |
06/29/1999 | US5918279 Device for measuring the mass of a flowing medium |
06/15/1999 | US5913239 Mass flow measurement device |
06/15/1999 | US5911238 For use in a manufacturing process |
05/18/1999 | US5905200 Cyclonic flow meters and method of using same |
05/11/1999 | US5901741 Flow controller, parts of flow controller, and related method |
04/22/1999 | WO1999019695A2 Mass flow sensor system for fast temperature sensing responses |
04/13/1999 | US5894088 Thermal flow meter with less turbulence in fluid flow |
04/08/1999 | WO1999005478A3 Flow measurement mandrel |
04/07/1999 | CN1213431A Bypass type coriolis effect flowmeter |
04/06/1999 | US5892146 Heating resistor type air flow meter with a measuring module inside the main air flow passage body |
04/01/1999 | DE19725398C1 Gas flow measurement method for gas conductor |
03/31/1999 | EP0904525A1 Heater with tapered heater density function for use with mass flowmeter |
02/11/1999 | WO1999006800A1 Gasmeter |
02/09/1999 | US5869758 Method and apparatus for measuring the flow rate of a medium flow |
02/04/1999 | WO1999005478A2 Flow measurement mandrel |
02/04/1999 | DE19828629A1 Thermal air quantity meter for internal combustion engine air induction system |
01/20/1999 | EP0891534A1 Mass flow transducer having extended flow rate measurement range |
01/20/1999 | EP0876588A4 Flowmeter |
01/19/1999 | US5861562 Flow measurement mandrel |
01/19/1999 | US5861561 Flow measurement apparatus for measuring material flow in a conduit |
01/13/1999 | EP0890828A1 Method and apparatus for detecting and controlling mass flow |
12/22/1998 | US5850850 Flow controller, parts of flow controller, and related method |
11/12/1998 | WO1998050762A1 Improved mass flowmeter and laminar flow elements for use therein |
11/11/1998 | EP0876588A1 Flowmeter |
11/04/1998 | EP0874976A1 Bypass type coriolis effect flowmeter |
11/03/1998 | US5831151 System and method for monitoring the proportional volume of constituents provided to a mixture |
10/29/1998 | DE19750594A1 Thermal mass flowmeter, e.g. for vehicle IC engine |
10/20/1998 | US5824895 Air flow meter of a heating resistor type |
10/20/1998 | US5824894 Mass flowmeter and laminar flow elements for use therein |
10/14/1998 | CN1040248C Equipment and method for obtaining material mass flow information flowing in guide tube |
09/24/1998 | WO1998041819A1 Elbow mounted turbine flowmeter |
09/17/1998 | WO1998040701A1 Method and device for detecting quantities during milk collection using mobile or stationary collection systems |
09/08/1998 | US5804717 Mass flow transducer having extended flow rate measurement range |
08/04/1998 | US5789673 Thermal type air flow measuring instrument for internal combustion engine |
07/22/1998 | EP0680602B1 In-flow coriolis effect mass flowmeter |
07/08/1998 | CN1186950A Apparatus and method for monitoring and controlling rate bath turnover |
06/17/1998 | EP0848310A1 System and method for monitoring the proportional volume of constituents provided to a mixture |
06/16/1998 | US5765283 Method of making a flow controller |
06/13/1998 | CA2224766A1 System and method for monitoring the proportional volume of constituents provided to a mixture |
06/09/1998 | US5763791 Flowmeter |
06/09/1998 | US5763774 Fluid flow meter with reduced orientation sensitivity |
05/28/1998 | WO1998022782A1 Flowmeter |
05/26/1998 | US5756893 Thermal flow meter |
05/12/1998 | US5750892 Laminar flow element with inboard sensor taps and coaxial laminar flow guides |
05/07/1998 | DE19643996A1 Appliance for measuring mass of flowing medium for measuring air intake of IC engines |
04/08/1998 | EP0834723A1 Thermal mass flowmeter and mass flow controller, flowmetering system and method |
04/02/1998 | WO1998013680A1 Exhaust gas measuring instrument |
03/18/1998 | EP0829793A1 Method for momentarily identifying a gas or liquid flow, and device for carrying out the method |
03/18/1998 | EP0649515B1 Flowmeter |
03/05/1998 | DE19710296C1 Received milk quantity measuring method |
03/04/1998 | CN1175310A Flow controller, purts of flow controller, and related method |
01/27/1998 | US5712425 Device for measuring the mass of a flowing medium |
01/02/1998 | DE19625766A1 Paramagnetic oxygen analyser divides sample equally in two |
12/18/1997 | WO1997047951A1 Heater with tapered heater density function for use with mass flowmeter |
12/18/1997 | DE19724659A1 Device for measurement of gas flow rate at inlet to vehicle engine |
12/09/1997 | US5696321 Thermal-type air flow measuring instrument with fluid-direction judging capability |
12/03/1997 | EP0809754A1 Optimization control for gas engines with a three-way catalyst |
12/02/1997 | US5693880 Heater with tapered heater density function for use with mass flowmeter |
10/16/1997 | WO1997038287A1 Mass flow transducer having extended flow rate measurement range |
10/15/1997 | EP0800672A2 Flow controller, parts of flow controller, and related method |
09/30/1997 | US5672822 Thermal flow meter with less turbulence in fluid flow |
09/30/1997 | US5672821 Laminar flow device |
09/25/1997 | DE19612996A1 Measuring unit for monitoring flow of fluid, esp. gas or gas mixture with flow sensor |
08/26/1997 | US5660207 Fluid flow meter |
08/05/1997 | US5654506 Heat type air flow meter |
07/24/1997 | WO1997026509A1 Bypass type coriolis effect flowmeter |
07/16/1997 | EP0784200A2 Set-up for flowrate measurement of a gaseous substance |
05/20/1997 | US5631415 Air flow rate measuring device |