DE68926554D1 - Durchflussensor - Google Patents
DurchflussensorInfo
- Publication number
- DE68926554D1 DE68926554D1 DE68926554T DE68926554T DE68926554D1 DE 68926554 D1 DE68926554 D1 DE 68926554D1 DE 68926554 T DE68926554 T DE 68926554T DE 68926554 T DE68926554 T DE 68926554T DE 68926554 D1 DE68926554 D1 DE 68926554D1
- Authority
- DE
- Germany
- Prior art keywords
- flow sensor
- sensor
- flow
- 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.)
- Expired - Fee Related
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
-
- 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
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
-
- 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
- G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63195426A JPH0244211A (ja) | 1988-08-04 | 1988-08-04 | フローセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68926554D1 true DE68926554D1 (de) | 1996-07-04 |
DE68926554T2 DE68926554T2 (de) | 1996-10-31 |
Family
ID=16340877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68926554T Expired - Fee Related DE68926554T2 (de) | 1988-08-04 | 1989-08-01 | Durchflussensor |
Country Status (4)
Country | Link |
---|---|
US (1) | US5033299A (de) |
EP (1) | EP0353996B1 (de) |
JP (1) | JPH0244211A (de) |
DE (1) | DE68926554T2 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3841135C2 (de) * | 1988-12-07 | 1998-04-09 | Hiss Eckart | Meßelement |
EP0471316B1 (de) * | 1990-08-17 | 1996-09-18 | Sensycon Gesellschaft Für Industrielle Sensorsysteme Und Prozessleittechnik Mbh | Sensor für thermische Massenstrommesser |
DE9011927U1 (de) * | 1990-08-17 | 1990-11-08 | Sensycon Gesellschaft Fuer Industrielle Sensorsysteme Und Prozessleittechnik Mbh, 3000 Hannover, De | |
DE9200771U1 (de) * | 1992-01-23 | 1992-03-12 | Siemens Ag, 8000 Muenchen, De | |
JP2842729B2 (ja) * | 1992-04-30 | 1999-01-06 | 三菱電機株式会社 | 感熱式流量センサ |
DE4307512A1 (de) * | 1993-03-10 | 1994-09-15 | Bosch Gmbh Robert | Meßelement |
DE4307513A1 (de) * | 1993-03-10 | 1994-09-15 | Bosch Gmbh Robert | Meßelement |
DE9409318U1 (de) * | 1994-06-08 | 1994-08-11 | Murata Elektronik Gmbh | Strömungssensor |
JP3366818B2 (ja) * | 1997-01-16 | 2003-01-14 | 株式会社日立製作所 | 熱式空気流量計 |
DE19710559A1 (de) * | 1997-03-14 | 1998-09-17 | Bosch Gmbh Robert | Sensor mit einem Dünnfilmelement |
US6078030A (en) * | 1998-09-09 | 2000-06-20 | Millipore Corporation | Component heater for use in semiconductor manufacturing equipment |
JP3981907B2 (ja) * | 1998-10-21 | 2007-09-26 | 株式会社デンソー | 流量測定装置 |
DE10003436B4 (de) * | 1999-02-18 | 2009-08-13 | Ifm Electronic Gmbh | Wärmeübergangskontroll- und/oder -meßgerät |
DE102005061703A1 (de) * | 2005-12-21 | 2007-07-05 | Innovative Sensor Technology Ist Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgrösse und Verfahren zur Herstellung einer entsprechenden Sensoreinheit |
DE102007023824B4 (de) * | 2007-05-21 | 2010-01-07 | Abb Ag | Thermischer Massendurchflussmesser |
JP5094212B2 (ja) * | 2007-05-25 | 2012-12-12 | 日立オートモティブシステムズ株式会社 | 熱式流量計と制御方法 |
DE102010018948B4 (de) | 2010-04-30 | 2018-08-16 | Abb Schweiz Ag | Thermischer Massendurchflussmesser mit zusätzlichen Sensormitteln sowie Verfahren zum Betrieb desselben |
EP3002564A1 (de) * | 2014-10-01 | 2016-04-06 | Siemens Schweiz AG | Luftstromerkennungsvorrichtung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2728060A1 (de) * | 1977-06-22 | 1979-01-18 | Bosch Gmbh Robert | Messonde mit temperaturabhaengigem widerstand zur mengenmessung |
US4399697A (en) * | 1980-03-26 | 1983-08-23 | Nippon Soken, Inc. | Gas flow measuring apparatus |
JPS59162413A (ja) * | 1983-03-07 | 1984-09-13 | Hitachi Ltd | 熱式流量計 |
DE3328853C2 (de) * | 1983-08-10 | 1994-07-14 | Bosch Gmbh Robert | Vorrichtung zur Messung der Masse eines strömenden Mediums |
JPH0663798B2 (ja) * | 1986-05-09 | 1994-08-22 | 日本電装株式会社 | 熱式流量センサ |
JPS63233325A (ja) * | 1986-08-22 | 1988-09-29 | Hitachi Ltd | 熱膜式流量計用感温抵抗体 |
GB2196433B (en) * | 1986-10-08 | 1990-10-24 | Hitachi Ltd | Hot element air flow meter |
DE3638138A1 (de) * | 1986-11-08 | 1988-05-11 | Bosch Gmbh Robert | Vorrichtung zur bestimmung der masse eines stroemenden mediums |
-
1988
- 1988-08-04 JP JP63195426A patent/JPH0244211A/ja active Pending
-
1989
- 1989-08-01 EP EP89307812A patent/EP0353996B1/de not_active Expired - Lifetime
- 1989-08-01 DE DE68926554T patent/DE68926554T2/de not_active Expired - Fee Related
- 1989-08-01 US US07/388,334 patent/US5033299A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5033299A (en) | 1991-07-23 |
EP0353996A3 (de) | 1993-02-17 |
DE68926554T2 (de) | 1996-10-31 |
EP0353996B1 (de) | 1996-05-29 |
EP0353996A2 (de) | 1990-02-07 |
JPH0244211A (ja) | 1990-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |