DE2904154C2 - - Google Patents

Info

Publication number
DE2904154C2
DE2904154C2 DE2904154A DE2904154A DE2904154C2 DE 2904154 C2 DE2904154 C2 DE 2904154C2 DE 2904154 A DE2904154 A DE 2904154A DE 2904154 A DE2904154 A DE 2904154A DE 2904154 C2 DE2904154 C2 DE 2904154C2
Authority
DE
Germany
Prior art keywords
temperature
carrier
resistor
dependent
measuring
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
DE2904154A
Other languages
German (de)
English (en)
Other versions
DE2904154A1 (de
Inventor
Heiko Dipl.-Phys. Dr. 7016 Gerlingen De Grunder
Dieter Dipl.-Phys. Dr. 7032 Sindelfingen De Handtmann
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
Priority to DE19792904154 priority Critical patent/DE2904154A1/de
Priority to US06/104,937 priority patent/US4283944A/en
Priority to FR8001345A priority patent/FR2448128B2/fr
Priority to GB8003236A priority patent/GB2043264B/en
Priority to JP1016080A priority patent/JPS55103424A/ja
Publication of DE2904154A1 publication Critical patent/DE2904154A1/de
Application granted granted Critical
Publication of DE2904154C2 publication Critical patent/DE2904154C2/de
Granted 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)
DE19792904154 1979-02-03 1979-02-03 Vorrichtung zur messung der masse eines stroemenden mediums Granted DE2904154A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19792904154 DE2904154A1 (de) 1979-02-03 1979-02-03 Vorrichtung zur messung der masse eines stroemenden mediums
US06/104,937 US4283944A (en) 1979-02-03 1979-12-18 Apparatus for measuring the mass of a fluid medium
FR8001345A FR2448128B2 (fr) 1979-02-03 1980-01-22 Dispositif pour mesurer des debits d'air
GB8003236A GB2043264B (en) 1979-02-03 1980-01-31 Apparatus for measuring the rate of flow of a medium
JP1016080A JPS55103424A (en) 1979-02-03 1980-02-01 Device for measuring quantity of flowing medium

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
DE2904154A1 DE2904154A1 (de) 1980-08-14
DE2904154C2 true DE2904154C2 (OSRAM) 1988-01-14

Family

ID=6062116

Family Applications (1)

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

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032300A1 (de) * 2008-07-09 2010-01-14 Continental Automotive Gmbh Vorrichtung zur thermischen Massenstrommessung, insbesondere zur Messung der einer Brennkraftmaschine zugeführten Luftmasse

Families Citing this family (36)

* 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 (en) * 1983-09-21 1985-03-27 Honeywell Inc. Fluid flow sensors
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 (OSRAM) * 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
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
US11912807B2 (en) 2020-03-25 2024-02-27 Samsung Electronics Co., Ltd. Composite for sensing heat or infrared light and device including same
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032300A1 (de) * 2008-07-09 2010-01-14 Continental Automotive Gmbh Vorrichtung zur thermischen Massenstrommessung, insbesondere zur Messung der einer Brennkraftmaschine zugeführten Luftmasse

Also Published As

Publication number Publication date
JPS6365892B2 (OSRAM) 1988-12-19
US4283944A (en) 1981-08-18
FR2448128B2 (fr) 1985-11-15
GB2043264A (en) 1980-10-01
FR2448128A2 (fr) 1980-08-29
GB2043264B (en) 1983-03-16
DE2904154A1 (de) 1980-08-14
JPS55103424A (en) 1980-08-07

Similar Documents

Publication Publication Date Title
DE2904154C2 (OSRAM)
DE3124960C2 (OSRAM)
DE2728060C2 (OSRAM)
DE3135793C2 (OSRAM)
DE2900210C2 (OSRAM)
DE2151774C3 (de) Kraftstoffeinspritzanlage für eine Brennkraftmaschine
DE2900220A1 (de) Vorrichtung zur messung der masse eines stroemenden mediums
DE3637541A1 (de) Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung
EP0184011B1 (de) Vorrichtung zur Luftmengenmessung
EP0021291A1 (de) Mengendurchflussmesser
DE3248603A1 (de) Einrichtung zur messung des massendurchsatzes eines stroemenden mediums
DE3109608C2 (OSRAM)
DE3309404C2 (OSRAM)
DE3103178A1 (de) Lufteinlassmessvorrichtung fuer ein kraftstoffliefersystem einer brennkraftmaschine
DE4331722A1 (de) Luftstrommengenmesser und Luftstrommengenerfassung
DE3130626C2 (OSRAM)
DE3727979A1 (de) Heissfilm-luftdurchflussmesser mit einem temperaturempfindlichen exotherm-widerstand
DE3838466C2 (de) Luftmassenmeßvorrichtung und Verfahren zur Herstellung einer Luftmassenmeßvorrichtung
DE2849870A1 (de) Vorrichtung zur luftmassenmessung
EP0720726B1 (de) Verfahren und schaltungsanordnung zum schutz eines beheizten temperaturabhängigen sensorwiderstands vor überhitzung
EP0163846B1 (de) Vorrichtung zur Messung der Masse eines strömenden Mediums
DE4036110A1 (de) Durchflussmesser
EP0939305B1 (de) Temperaturregler
DE3402981C2 (OSRAM)
DE2753118A1 (de) Einrichtung zur durchflussmengenmessung

Legal Events

Date Code Title Description
AF Is addition to no.

Ref country code: DE

Ref document number: 2751196

Format of ref document f/p: P

8110 Request for examination paragraph 44
AF Is addition to no.

Ref country code: DE

Ref document number: 2751196

Format of ref document f/p: P

D2 Grant after examination
8364 No opposition during term of opposition
8340 Patent of addition ceased/non-payment of fee of main patent