Patents for G01F 5 - Measuring a proportion of the volume flow (1,398)
10/2004
10/21/2004WO2004090478A1 Gas-meter provided with a fire-resistant housing
10/21/2004DE10316450A1 Airflow measurement system in intake manifold of engine, locates component with trailing windshield or baffle downstream of opening
10/20/2004CN1172174C Exhaust gas measuring instrument
10/14/2004WO2004088256A2 Flow sensor signal conversion
10/14/2004US20040204885 Flow sensor signal conversion
09/2004
09/23/2004WO2004081526A2 Microfluidic isolation manifold and methods for microfluidic isolation
09/23/2004US20040182171 Equipment for measuring gas flow rate
09/21/2004US6794981 Integratable-fluid flow and property microsensor assembly
09/21/2004US6792799 Positive flow meter
09/15/2004CN1529807A Equipment for measuring gas flow rate
09/09/2004DE10308880A1 Mass flow rate recording device for an internal combustion engine's intake section, inserts in a main pipe with mass flow passing along it in a full flow direction
09/09/2004DE102004008790A1 Heißdraht-Massenflusssensor mit verlustarmer Bypass-Passage Hot wire mass flow sensor with low-loss bypass passage
09/07/2004US6786089 Airflow meter
09/07/2004US6786088 Gas flow rate measuring apparatus
09/01/2004EP1452838A2 Thermal flow rate sensor
08/2004
08/26/2004US20040163464 Flow rate sensor
08/26/2004US20040163460 Hot-wire mass flow sensor with low-loss bypass passage
08/26/2004DE19750594B4 Wärmeempfindlicher Durchflußmesser Heat-sensitive flow meter
08/24/2004US6779395 Device for measuring the flow of a gas or a liquid in a bypass
08/24/2004US6779394 Apparatus and method for thermal management of a mass flow controller
08/05/2004DE10217884B4 Vorrichtung zur Messung der in einer Leitung strömenden Luftmasse Device for measuring the mass of air flowing in a line
08/04/2004EP1443314A2 Method and device to measure the flow of gas or liquid in a bypass
07/2004
07/29/2004WO2004063679A1 Mass flow controller
07/28/2004EP1440294A1 Flow and pressure sensor for harsh fluids
07/15/2004US20040134272 Device for measuring the mass of air flowing inside a line
07/15/2004US20040134271 Flow measurement device
07/14/2004CN1512541A Quality flow controller for control cleaning and its management method
07/08/2004US20040129073 Heating resistor type flow measuring device
07/08/2004DE10154561B4 Luftstrommassesensorumgehungsgehäuse Mass air flow sensor bypass housing
07/01/2004US20040123672 Flow sensor
07/01/2004US20040123657 Mass flow controller for control purge and managing method of the same
06/2004
06/30/2004CN1155864C Flow controller
06/24/2004US20040118200 Device for measuring the flow of a gas or a liquid in a bypass
06/24/2004DE202004005451U1 Vorrichtung zum Austausch einer Messsonde im laufenden Betrieb The device for exchanging a measuring probe during operation
06/03/2004WO2004046659A1 Fluid detection device
06/03/2004WO2004046654A1 Device for determining at least one parameter of a medium flowing inside a conduit
06/03/2004DE10253970A1 Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums Apparatus for determining at least one parameter of a medium flowing in a line
05/2004
05/26/2004EP1421903A1 Arrangement for passive gas sampling
05/21/2004WO2004010087A9 Flow sensor
05/20/2004US20040094155 Arrangement for passive gas sampling
05/12/2004EP1418407A1 Equipment for measuring gas flow rate
05/04/2004CA2297003C Flow measurement mandrel
04/2004
04/22/2004US20040074291 Device for determining at least one parameter of a medium flowing in a line
04/20/2004US6722210 System and method for measuring air flow at multiple points of an air channel
04/15/2004WO2004031703A1 Airflow meter with device for the separation of foreign particles
04/15/2004DE10246069A1 Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums Apparatus for determining at least one parameter of a medium flowing in a line
04/08/2004WO2004010087A3 Flow sensor
04/08/2004DE10344203A1 Massenströmungssensor mit verbessertem Gehäusedesign Mass flow sensor with improved housing design
04/07/2004CN1488069A Fluidic gas metering system
04/06/2004US6715339 Self-normalizing flow sensor and method for the same
04/01/2004US20040060361 Device for detecting physical quantity
04/01/2004US20040060354 Measurement apparatus for measuring physical quantity such as fluid flow
04/01/2004US20040060353 Flowmeter with resistor heater
03/2004
03/30/2004US6712084 Apparatus and method for pressure fluctuation insensitive mass flow control
03/25/2004US20040055375 Mass fluid flow sensor having an improved housing design
03/23/2004US6708560 Measurement apparatus for measuring physical quantity such as fluid flow
03/09/2004US6701781 Mass air flow sensor bypass housing
02/2004
02/25/2004EP1391699A1 Heating resistor type flow measuring device
02/24/2004US6694728 Exhaust gas dilution apparatus
02/19/2004US20040031331 Flow direction detector
02/18/2004EP0741859B1 Device for measuring the mass of a flowing medium
02/12/2004US20040030522 System and method for mass flow detection device calibration
02/12/2004US20040030521 Flow sensing in multiple conduits
02/12/2004US20040025598 Integrated fluid sensing device
02/05/2004WO2003098161A3 Integratable fluid flow and property microsensor assembly
02/04/2004CN1473261A Robust fluid flow and property microsensor made of optimal material
01/2004
01/29/2004WO2004010087A2 Flow sensor
01/27/2004US6681623 Flow and pressure sensor for harsh fluids
01/20/2004US6679114 Thermosensitive flow rate sensor
01/15/2004DE10230531A1 Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums Apparatus for determining at least one parameter of a medium flowing in a line
01/14/2004EP1380816A1 Thermal-type air flow measuring instrument
01/14/2004CN1134651C Bypass type flowmeter
01/08/2004US20040003659 Gas-flow measuring instrument
01/07/2004EP1378729A1 Thermal mass flow sensor with inclined bypass channel inlet
01/02/2004EP1376071A2 Air-flow meter for internal combustion engines
12/2003
12/31/2003WO2004001516A1 Apparatus and method for pressure fluctuation insensitive mass flow control
12/30/2003US6668642 Apparatus and method for thermal isolation of thermal mass flow sensor
12/30/2003US6668641 Apparatus and method for thermal dissipation in a thermal mass flow sensor
12/25/2003US20030236643 Apparatus and method for calibration of mass flow controller
12/25/2003US20030236638 Apparatus and method for displaying mass flow controller pressure
12/25/2003US20030236592 Apparatus and method for mass flow controller with network access to diagnostics
12/25/2003US20030234048 Apparatus and method for mass flow controller with embedded web server
12/25/2003US20030234047 Apparatus and method for dual processor mass flow controller
12/25/2003US20030234046 Apparatus and method for self-calibration of mass flow controller
12/25/2003US20030234045 Apparatus and method for mass flow controller with on-line diagnostics
12/25/2003US20030234044 Apparatus and method for mass flow controller with a plurality of closed loop control code sets
12/25/2003US20030234039 Apparatus and method for pressure fluctuation insensitive mass flow control
12/10/2003EP1369672A1 Mass flow measurement device using pressure loss inducers
12/09/2003US6661693 Circuit for programming antifuse bits
12/04/2003WO2003100391A1 System and method for mass flow detection device calibration
12/04/2003WO2003100358A1 Thermal flowmeter
12/02/2003US6655207 Flow rate module and integrated flow restrictor
11/2003
11/27/2003WO2003098161A2 Integratable fluid flow and property microsensor assembly
11/19/2003EP1363110A1 Device for detecting physical quantity
11/19/2003EP1363109A1 Flowmeter with resistor heater
11/18/2003US6647776 Split-flow flowmeter with a profusion facing the detection element
11/11/2003US6644129 Flow rate measurement apparatus
11/04/2003US6640627 Fluid flow meter having a fluorine-containing sealant which maintains silicon-containing filler in installation recess
10/2003
10/30/2003WO2003089885A1 Flow sensor for harsh environments
10/30/2003WO2003089884A1 Device for measuring the mass of air flowing inside a line
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