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FR2448128B2 - Dispositif pour mesurer des debits d'air - Google Patents

Dispositif pour mesurer des debits d'air

Info

Publication number
FR2448128B2
FR2448128B2 FR8001345A FR8001345A FR2448128B2 FR 2448128 B2 FR2448128 B2 FR 2448128B2 FR 8001345 A FR8001345 A FR 8001345A FR 8001345 A FR8001345 A FR 8001345A FR 2448128 B2 FR2448128 B2 FR 2448128B2
Authority
FR
France
Prior art keywords
air flows
measuring air
measuring
flows
air
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
Application number
FR8001345A
Other languages
English (en)
Other versions
FR2448128A2 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2448128A2 publication Critical patent/FR2448128A2/fr
Application granted granted Critical
Publication of FR2448128B2 publication Critical patent/FR2448128B2/fr
Expired legal-status Critical Current

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
    • 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)
  • Details Of Flowmeters (AREA)
FR8001345A 1979-02-03 1980-01-22 Dispositif pour mesurer des debits d'air Expired FR2448128B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792904154 DE2904154A1 (de) 1979-02-03 1979-02-03 Vorrichtung zur messung der masse eines stroemenden mediums

Publications (2)

Publication Number Publication Date
FR2448128A2 FR2448128A2 (fr) 1980-08-29
FR2448128B2 true FR2448128B2 (fr) 1985-11-15

Family

ID=6062116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001345A Expired FR2448128B2 (fr) 1979-02-03 1980-01-22 Dispositif pour mesurer des debits d'air

Country Status (5)

Country Link
US (1) US4283944A (fr)
JP (1) JPS55103424A (fr)
DE (1) DE2904154A1 (fr)
FR (1) FR2448128B2 (fr)
GB (1) GB2043264B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393702A (en) * 1980-03-21 1983-07-19 Nippon Soken, Inc. Gas flow measuring device
US4389876A (en) * 1980-08-26 1983-06-28 Honeywell Inc. Temperature sensor and detector cell utilizing the same
JPS57173758A (en) * 1981-04-20 1982-10-26 Hitachi Ltd Hot wire type current meter
DE3248603A1 (de) * 1982-12-30 1984-07-12 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur messung des massendurchsatzes eines stroemenden mediums
DE3304902A1 (de) * 1982-12-30 1984-08-16 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur bestimmung des massendurchsatzes eines stroemenden mediums
US4677850A (en) * 1983-02-11 1987-07-07 Nippon Soken, Inc. Semiconductor-type flow rate detecting apparatus
EP0134859A1 (fr) * 1983-09-21 1985-03-27 Honeywell Inc. Capteur de débit de liquide
JPS60236024A (ja) * 1984-05-09 1985-11-22 Nippon Soken Inc 直熱型空気流量センサ
DE3417305A1 (de) * 1984-05-10 1985-11-14 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums
DE3444347A1 (de) * 1984-12-05 1986-06-12 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur luftmengenmessung
DE3604202C2 (de) * 1985-02-14 1997-01-09 Nippon Denso Co Direkt beheizte Strömungsmeßvorrichtung
JPS61182820U (fr) * 1985-05-08 1986-11-14
GB2176292B (en) * 1985-06-11 1989-07-26 Potterton Int Ltd Air-flow measuring device and method
US4776214A (en) * 1985-08-09 1988-10-11 Motorola, Inc. Mass air flow sensor
US4744246A (en) * 1986-05-01 1988-05-17 Busta Heinz H Flow sensor on insulator
JPH0663798B2 (ja) * 1986-05-09 1994-08-22 日本電装株式会社 熱式流量センサ
US4779458A (en) * 1986-12-29 1988-10-25 Mawardi Osman K Flow sensor
US4735086A (en) * 1987-06-26 1988-04-05 Ford Motor Company Thick film mass airflow meter with minimal thermal radiation loss
JPS646753A (en) * 1987-06-29 1989-01-11 Yokogawa Electric Corp Magnetic oximeter
US4884443A (en) * 1987-12-23 1989-12-05 Siemens-Bendix Automotive Electronics L. P. Control and detection circuitry for mass airflow sensors
DE3915871C2 (de) * 1989-05-16 1995-06-08 Pierburg Gmbh Vorrichtung zur Ansaugluftmassenstrommessung
JPH0760107B2 (ja) * 1989-07-11 1995-06-28 三菱電機株式会社 熱式流量センサの信号処理方法
DE4012081A1 (de) * 1990-04-14 1991-10-17 Bosch Gmbh Robert Verfahren und anordnung zum messen von luftmengen
US5237867A (en) * 1990-06-29 1993-08-24 Siemens Automotive L.P. Thin-film air flow sensor using temperature-biasing resistive element
DE4219551C2 (de) * 1991-06-13 1996-04-18 Mks Japan Inc Massenströmungssensor
GB9127337D0 (en) * 1991-12-24 1992-02-19 Toleman Bernard J System for measuring fluid flow
US5311772A (en) * 1992-01-02 1994-05-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Active thermal isolation for temperature responsive sensors
JP2682349B2 (ja) * 1992-09-18 1997-11-26 株式会社日立製作所 空気流量計及び空気流量検出方法
DE19609167A1 (de) * 1996-03-09 1997-09-18 Dieter Dr Ing Huhnke Dünnfilm-Mehrschichtsensor zur Messung von Gastemperaturen, Gasgeschwindigkeiten und Infrarotstrahlung
DE19808248A1 (de) * 1998-02-27 1999-09-02 Pierburg Ag Meßvorrichtung zur Messung der Masse eines strömenden Mediums
JP5080020B2 (ja) * 2006-04-13 2012-11-21 日立オートモティブシステムズ株式会社 熱式流量センサ
DE102008032300A1 (de) * 2008-07-09 2010-01-14 Continental Automotive Gmbh Vorrichtung zur thermischen Massenstrommessung, insbesondere zur Messung der einer Brennkraftmaschine zugeführten Luftmasse
US9243943B2 (en) 2013-04-10 2016-01-26 International Business Machines Corporation Air-flow sensor for adapter slots in a data processing system
US11255870B2 (en) * 2018-05-07 2022-02-22 California Institute Of Technology Gel and polymer based flow meters
US11668613B2 (en) 2019-05-06 2023-06-06 California Institute Of Technology ABA type block co-polymers for temperature sensing and flow meters
KR20210119909A (ko) 2020-03-25 2021-10-06 삼성전자주식회사 열 또는 적외광 감지용 복합체 및 이를 포함하는 소자
DE102023205862A1 (de) 2023-06-22 2024-04-04 Vitesco Technologies GmbH Verfahren und Gassensor zum Ermitteln der Konzentration einer Gaskomponente in einem Gasgemisch und/oder der Temperatur des Gasgemischs und Batterieanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604261A (en) * 1969-06-16 1971-09-14 Thermo Systems Inc Multidirectional thermal anemometer sensor
DE2618349A1 (de) * 1976-04-27 1977-11-10 Weber Guenther Waermeuebergangsmessgeraet
DE2728060A1 (de) * 1977-06-22 1979-01-18 Bosch Gmbh Robert Messonde mit temperaturabhaengigem widerstand zur mengenmessung
DE2751196C2 (de) * 1977-11-16 1985-06-20 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur Luftmengenmessung
FR2468887A1 (fr) * 1979-11-06 1981-05-08 Renault Debimetre thermique pour fluide

Also Published As

Publication number Publication date
GB2043264A (en) 1980-10-01
JPS6365892B2 (fr) 1988-12-19
JPS55103424A (en) 1980-08-07
DE2904154A1 (de) 1980-08-14
FR2448128A2 (fr) 1980-08-29
GB2043264B (en) 1983-03-16
US4283944A (en) 1981-08-18
DE2904154C2 (fr) 1988-01-14

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