AU6423200A - Thermal flow meter - Google Patents
Thermal flow meterInfo
- Publication number
- AU6423200A AU6423200A AU64232/00A AU6423200A AU6423200A AU 6423200 A AU6423200 A AU 6423200A AU 64232/00 A AU64232/00 A AU 64232/00A AU 6423200 A AU6423200 A AU 6423200A AU 6423200 A AU6423200 A AU 6423200A
- Authority
- AU
- Australia
- Prior art keywords
- flow meter
- temperature
- sensor element
- fluid
- determination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Fuel-Injection Apparatus (AREA)
- Lubricants (AREA)
- Safety Valves (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
An electrical measuring device for detecting a fluid-energy parameter has at least two temperature sensors for the determination of a forward flow temperature and a reverse flow temperature in addition to a flow meter. The flow meter is one of the at least two temperature sensors. Said has a pulsed electrical heating element (21, 22) and a sensor element (21) which can be brought into thermal contact with the sample fluid whose electrical resistance is temperature dependent. The sensor element (21) can be warmed up by the heating element (21, 22). Means are provided for the determination of the amount of fluid which flows through and which monitor heating and/or cooling process in the sensor element (21) over time.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19939942A DE19939942A1 (en) | 1999-08-23 | 1999-08-23 | Thermal flow meter |
DE19939942 | 1999-08-23 | ||
PCT/CH2000/000448 WO2001014839A1 (en) | 1999-08-23 | 2000-08-23 | Thermal flow meter |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6423200A true AU6423200A (en) | 2001-03-19 |
Family
ID=7919323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU64232/00A Abandoned AU6423200A (en) | 1999-08-23 | 2000-08-23 | Thermal flow meter |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1206688B1 (en) |
AT (1) | ATE418722T1 (en) |
AU (1) | AU6423200A (en) |
DE (2) | DE19939942A1 (en) |
WO (1) | WO2001014839A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10149867A1 (en) | 2001-10-10 | 2003-04-24 | E & E Elektronik Gmbh | Air speed sensor calculates air speed from measured heating time required by temperature sensor for obtaining defined temperature difference |
DE102005056706A1 (en) * | 2005-11-28 | 2007-05-31 | BSH Bosch und Siemens Hausgeräte GmbH | Air flow monitoring device for use in e.g. microwave device, has sensor unit, which is designed for detecting intensity of airflow, where sensor unit is heatable, and designed as temperature dependant electrical resistance |
WO2008139237A1 (en) * | 2007-05-10 | 2008-11-20 | Acque Ingegneria S.R.L. | Flow rate sensor for water ducts and a method for measuring water flow |
DE102010018947B4 (en) | 2010-04-30 | 2022-11-17 | Abb Schweiz Ag | Thermal mass flow meter with metal-encapsulated sensors |
DE102011119823A1 (en) | 2011-12-01 | 2013-06-06 | Sensus Spectrum Llc | Method and device for measuring the flow velocity of fluids |
DE102011120899B4 (en) | 2011-12-12 | 2015-08-20 | Karlsruher Institut für Technologie | Method and use of a device for determining the mass flow of a fluid |
DE102012018383A1 (en) | 2012-09-18 | 2014-04-10 | Sensus Spectrum Llc | heat sensor |
FR2998365A1 (en) | 2012-11-19 | 2014-05-23 | Eveon | DEVICE FOR MEASURING FLUID FLOW IN A CHANNEL, DEVICE FOR TRANSFERRING A FLUID AND METHOD FOR MEASURING FLOW RATE IN A CHANNEL |
DE102012112314A1 (en) * | 2012-12-14 | 2014-06-18 | Endress + Hauser Flowtec Ag | Thermal flow meter e.g. two-wire measuring device for determining and/or monitoring mass flow rate of medium, has control and/or regulating unit that performs clocked power supply of heated sense element of thin film sensor |
DE102013110487A1 (en) | 2012-12-14 | 2014-07-17 | Endress + Hauser Flowtec Ag | Thermal flowmeter |
DE102015016246A1 (en) * | 2015-12-16 | 2017-06-22 | Stiebel Eltron Gmbh & Co. Kg | Method and device for measuring a fluid volume flow of a domestic engineering system |
DE102016115326A1 (en) | 2016-08-18 | 2018-02-22 | Rehau Ag + Co | Method and sensor device for determining the temperature of a medium and the flow rate of the medium through a flow cross section and their use |
DE102018208140B3 (en) | 2018-05-24 | 2019-06-13 | Continental Automotive Gmbh | Pump device and method for determining a coolant mass flow through a pump device of an internal combustion engine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2077435B (en) * | 1980-06-04 | 1983-10-12 | Eicon Research Ltd | Heat flow measuring apparatus |
EP0070801A1 (en) * | 1981-07-13 | 1983-01-26 | Battelle Memorial Institute | Method and device for the determination of at least one instantaneous parameter of a fluid by means of heat exchange between a probe immersed in the fluid |
NL8203080A (en) * | 1982-08-02 | 1984-03-01 | Cc Controls Bv | METHOD AND APPARATUS FOR MEASURING THE FLOW OF A PHYSICAL QUANTITY. |
DE3233329A1 (en) * | 1982-09-08 | 1984-03-08 | Tecova AG, 5610 Wohlen | METHOD FOR MEASURING THE FLOW RATE OF A FLUID AND DEVICE FOR IMPLEMENTING THE METHOD |
DE3340793C1 (en) * | 1983-11-11 | 1985-04-25 | Polytronic Kunststoff-Elektro Gmbh, 4796 Salzkotten | Method for measuring the absorption or release of heat by a medium via an object, in particular for the purpose of calorimetry in heating systems |
DE3440526A1 (en) * | 1984-11-06 | 1986-05-15 | Walter 7036 Schönaich Bürkle | METHOD AND DEVICE FOR FEELING FLOW RATES AND / OR FLOWS |
DE3527868A1 (en) * | 1985-08-02 | 1987-02-12 | Schmidt Feintechnik Gmbh | METHOD AND MEASURING PROBE FOR PROBING THE LEVEL OF THE MASS CURRENT, THE FLUID TYPE, THE FLUID COMPOSITION OR THE LIKE IN A CONTAINER, PIPE OR THE LIKE CONTAINING ONE OR MORE FLUIDS |
DE3637497A1 (en) * | 1985-11-05 | 1987-07-16 | Walter Buerkle | Method and device for sensing flow rates and/or through-flows |
DE3639666A1 (en) * | 1986-11-20 | 1988-06-01 | Draegerwerk Ag | METHOD FOR DETERMINING A MEASURING SIZE OF A FLOWING MEDIUM AND MEASURING CIRCUIT THEREFOR |
US4779458A (en) * | 1986-12-29 | 1988-10-25 | Mawardi Osman K | Flow sensor |
US4848147A (en) * | 1987-07-10 | 1989-07-18 | Bailey James L | Thermal transient anemometer |
JPS6461611A (en) * | 1987-09-02 | 1989-03-08 | Hitachi Ltd | Air flow rate sensor |
JP3310430B2 (en) * | 1993-11-26 | 2002-08-05 | 株式会社半導体エネルギー研究所 | Measuring device and measuring method |
JP3226715B2 (en) * | 1994-04-28 | 2001-11-05 | 株式会社半導体エネルギー研究所 | Measuring device |
-
1999
- 1999-08-23 DE DE19939942A patent/DE19939942A1/en not_active Ceased
-
2000
- 2000-08-23 AT AT00951182T patent/ATE418722T1/en not_active IP Right Cessation
- 2000-08-23 AU AU64232/00A patent/AU6423200A/en not_active Abandoned
- 2000-08-23 DE DE50015499T patent/DE50015499D1/en not_active Expired - Lifetime
- 2000-08-23 EP EP00951182A patent/EP1206688B1/en not_active Expired - Lifetime
- 2000-08-23 WO PCT/CH2000/000448 patent/WO2001014839A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DE19939942A1 (en) | 2001-03-01 |
EP1206688B1 (en) | 2008-12-24 |
ATE418722T1 (en) | 2009-01-15 |
WO2001014839A1 (en) | 2001-03-01 |
EP1206688A1 (en) | 2002-05-22 |
DE50015499D1 (en) | 2009-02-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |