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DE69332423D1 - Luftstromdetektor für eine Motorsteuereinheit - Google Patents

Luftstromdetektor für eine Motorsteuereinheit

Info

Publication number
DE69332423D1
DE69332423D1 DE69332423T DE69332423T DE69332423D1 DE 69332423 D1 DE69332423 D1 DE 69332423D1 DE 69332423 T DE69332423 T DE 69332423T DE 69332423 T DE69332423 T DE 69332423T DE 69332423 D1 DE69332423 D1 DE 69332423D1
Authority
DE
Germany
Prior art keywords
control unit
engine control
airflow detector
airflow
detector
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
Application number
DE69332423T
Other languages
English (en)
Other versions
DE69332423T2 (de
Inventor
Kaoru Uchiyama
Mitsukuni Tsutsui
Tadao Suzuki
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69332423D1 publication Critical patent/DE69332423D1/de
Publication of DE69332423T2 publication Critical patent/DE69332423T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F5/00—Measuring a proportion of the volume flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE69332423T 1992-03-18 1993-03-16 Luftstromdetektor für eine Motorsteuereinheit Expired - Fee Related DE69332423T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4062329A JP2846518B2 (ja) 1992-03-18 1992-03-18 空気流量検出器及びそれを使用したエンジン制御装置

Publications (2)

Publication Number Publication Date
DE69332423D1 true DE69332423D1 (de) 2002-11-28
DE69332423T2 DE69332423T2 (de) 2003-08-14

Family

ID=13196991

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332423T Expired - Fee Related DE69332423T2 (de) 1992-03-18 1993-03-16 Luftstromdetektor für eine Motorsteuereinheit

Country Status (4)

Country Link
US (1) US5415029A (de)
EP (1) EP0561365B1 (de)
JP (1) JP2846518B2 (de)
DE (1) DE69332423T2 (de)

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DE4340882A1 (de) * 1993-12-01 1995-06-08 Bosch Gmbh Robert Vorrichtung zur Messung der Masse eines strömenden Mediums
DE4447570C2 (de) * 1994-07-22 1999-06-02 Bosch Gmbh Robert Vorrichtung zur Messung der Masse eines strömenden Mediums
JPH08219838A (ja) * 1995-02-15 1996-08-30 Hitachi Ltd 空気流量測定装置
DE19517676B4 (de) * 1995-05-13 2008-01-31 Robert Bosch Gmbh Drucksensor für eine Brennkraftmaschine mit einem Ansaugrohr
DE19534890C2 (de) * 1995-09-20 2003-12-18 Bosch Gmbh Robert Temperaturfühler
US6447520B1 (en) * 2001-03-19 2002-09-10 Advanced Medical Optics, Inc. IOL insertion apparatus with IOL engagement structure and method for using same
DE19860725A1 (de) * 1998-12-30 2000-08-17 Abb Patent Gmbh Verfahren zur Durchflußmessung mit einer Heißfilmanemometeranordnung
JP3555013B2 (ja) * 1999-03-10 2004-08-18 三菱電機株式会社 感熱式流量計
JP3557379B2 (ja) 2000-01-24 2004-08-25 株式会社日立製作所 空気流量測定装置
US20040025598A1 (en) 2000-09-21 2004-02-12 Festo Ag & Co. Integrated fluid sensing device
US6619142B1 (en) * 2000-09-21 2003-09-16 Festo Ag & Co. Integrated fluid sensing device
JP3817497B2 (ja) 2002-06-10 2006-09-06 株式会社日立製作所 熱式流量計測装置
EP1380845A1 (de) * 2002-07-13 2004-01-14 Fluid Automation Systems S.A. Gas- oder Flüssigkeitsströmungen registrierender Messaufnehmer für Ventile
US6796172B2 (en) * 2002-07-31 2004-09-28 Hewlett-Packard Development Company, L.P. Flow sensor
US6871535B2 (en) 2002-08-14 2005-03-29 Hewlett-Packard Development Company, L.P. Flow direction detector
JP3671399B2 (ja) * 2002-09-20 2005-07-13 三菱電機株式会社 流量センサ
US6901794B2 (en) 2003-10-16 2005-06-07 Festo Corporation Multiple technology flow sensor
US7467630B2 (en) * 2004-02-11 2008-12-23 Hewlett-Packard Development Company, L.P. Medicament dispenser
US7481213B2 (en) * 2004-02-11 2009-01-27 Hewlett-Packard Development Company, L.P. Medicament dispenser
DE102004038988B3 (de) * 2004-08-10 2006-01-19 Siemens Ag Strömungssensor
US7333899B2 (en) * 2004-10-13 2008-02-19 Therm-O-Disc, Incorporated Fluid flow rate sensor and method of operation
US20060159091A1 (en) * 2005-01-19 2006-07-20 Arjen Boers Active multicast information protocol
US7421911B2 (en) * 2005-12-20 2008-09-09 Desrochers Eric M Duct probe assembly system for multipoint air sampling
DE102006008477B4 (de) * 2006-02-23 2009-12-31 Continental Automotive Gmbh Sensorelement und Verfahren zu dessen Herstellung
KR100805581B1 (ko) * 2006-08-14 2008-02-20 삼성에스디아이 주식회사 켄트리버 속도 센서를 구비한 연료전지 시스템
DE102007017058A1 (de) * 2007-04-11 2008-10-16 Continental Automotive Gmbh Verfahren zur Luftmassenmessung und Luftmassensensor
DE102008037206B4 (de) * 2008-08-11 2014-07-03 Heraeus Sensor Technology Gmbh 300°C-Flowsensor
JP4968267B2 (ja) 2009-01-07 2012-07-04 株式会社デンソー 空気流量測定装置
DE102010015522B4 (de) * 2010-04-16 2011-09-01 Continental Automotive Gmbh Luftmassenmesser
JP5645693B2 (ja) * 2011-02-09 2014-12-24 日立オートモティブシステムズ株式会社 空気流量測定装置
DE102013215522A1 (de) * 2013-08-07 2015-02-12 Robert Bosch Gmbh Sensorvorrichtung zur Bestimmung wenigstens eines Parameters eines durch einen Kanal strömenden fluiden Mediums

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201990A (en) * 1960-06-30 1965-08-24 Wald Herman Electric measuring device for mixed fluid temperature and velocity
US3992940A (en) * 1973-11-02 1976-11-23 Chrysler Corporation Solid state fluid flow sensor
JPS5677716A (en) * 1979-11-29 1981-06-26 Hitachi Ltd Detector for amount of sucked air
DE3138910A1 (de) * 1981-09-30 1983-04-14 Siemens AG, 1000 Berlin und 8000 München Mengendurchflussmesser
US4476720A (en) * 1982-06-14 1984-10-16 Cambridge Aero Instruments, Inc. Unidirectional fluidflow sensor system
US4677850A (en) * 1983-02-11 1987-07-07 Nippon Soken, Inc. Semiconductor-type flow rate detecting apparatus
DE3369000D1 (en) * 1983-03-18 1987-02-12 Putten Antonius Ferdinandus Pe Device for measuring the flow velocity of a medium
US4637253A (en) * 1984-05-22 1987-01-20 Kabushiki Kaisha Toshiba Semiconductor flow detector for detecting the flow rate and flowing direction of fluid
US4571996A (en) * 1984-08-10 1986-02-25 Allied Corporation Air flow sensor
US4776214A (en) * 1985-08-09 1988-10-11 Motorola, Inc. Mass air flow sensor
GB2179748B (en) * 1985-08-20 1989-09-06 Sharp Kk Thermal flow sensor
JPH0680408B2 (ja) * 1985-10-09 1994-10-12 株式会社日立製作所 感熱式空気流量計及び感熱抵抗体
DE3637541A1 (de) * 1986-11-04 1988-05-05 Vdo Schindling Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung
DE3638138A1 (de) * 1986-11-08 1988-05-11 Bosch Gmbh Robert Vorrichtung zur bestimmung der masse eines stroemenden mediums
DE3768451D1 (de) * 1986-12-19 1991-04-11 Siemens Ag Anordnung zur ermittlung des den zylindern einer brennkraftmaschine zugefuehrten luftmassenstromes.
US4884215A (en) * 1987-02-27 1989-11-28 Jabil Circuit Company Airflow sensor and control circuit
JPS6436937A (en) * 1987-08-03 1989-02-07 Nippon Denso Co Intake device for internal combustion engine
JPH073352B2 (ja) * 1987-10-09 1995-01-18 株式会社日立製作所 熱式空気流量計
US4911008A (en) * 1988-10-03 1990-03-27 Allied-Signal Inc. Hot film anemometer
US4932255A (en) * 1988-12-16 1990-06-12 Johnson Service Company Flow sensing using surface acoustic waves
DE3906833A1 (de) * 1989-03-03 1990-09-06 Bosch Gmbh Robert Luftmassenmessvorrichtung
JP2564415B2 (ja) * 1990-04-18 1996-12-18 株式会社日立製作所 空気流量検出器
US5293553A (en) * 1991-02-12 1994-03-08 General Motors Corporation Software air-flow meter for an internal combustion engine

Also Published As

Publication number Publication date
DE69332423T2 (de) 2003-08-14
JP2846518B2 (ja) 1999-01-13
EP0561365A3 (de) 1995-05-10
JPH05264314A (ja) 1993-10-12
EP0561365A2 (de) 1993-09-22
US5415029A (en) 1995-05-16
EP0561365B1 (de) 2002-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee