DE4498938T1 - Verfahren und Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors - Google Patents

Verfahren und Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors

Info

Publication number
DE4498938T1
DE4498938T1 DE4498938T DE4498938T DE4498938T1 DE 4498938 T1 DE4498938 T1 DE 4498938T1 DE 4498938 T DE4498938 T DE 4498938T DE 4498938 T DE4498938 T DE 4498938T DE 4498938 T1 DE4498938 T1 DE 4498938T1
Authority
DE
Germany
Prior art keywords
engine
detecting
amount
intake air
intake
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.)
Pending
Application number
DE4498938T
Other languages
English (en)
Other versions
DE4498938C2 (de
Inventor
Masao Tsukada
Hiroshi Aoi
Syoichiro Yokota
Naoki Tomisawa
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 Unisia Automotive Ltd
Original Assignee
Unisia Jecs Corp
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
Priority claimed from JP5289029A external-priority patent/JP2855401B2/ja
Priority claimed from JP20930894A external-priority patent/JP3174222B2/ja
Application filed by Unisia Jecs Corp filed Critical Unisia Jecs Corp
Publication of DE4498938T1 publication Critical patent/DE4498938T1/de
Pending 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the 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
    • G01F1/688—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
    • 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
    • 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
    • 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
    • G01F1/72—Devices for measuring pulsing fluid flows

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE4498938T 1993-11-18 1994-11-18 Verfahren und Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors Pending DE4498938T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5289029A JP2855401B2 (ja) 1993-11-18 1993-11-18 エンジンの吸入空気流量検出装置
JP20930894A JP3174222B2 (ja) 1994-08-10 1994-08-10 熱式空気流量検出装置
PCT/JP1994/001958 WO1995014215A1 (fr) 1993-11-18 1994-11-18 Procede et dispositif destines a detecter le debit d'air d'aspiration pour un moteur

Publications (1)

Publication Number Publication Date
DE4498938T1 true DE4498938T1 (de) 1995-12-21

Family

ID=26517369

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4498938T Pending DE4498938T1 (de) 1993-11-18 1994-11-18 Verfahren und Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors
DE4498938A Expired - Fee Related DE4498938C2 (de) 1993-11-18 1994-11-18 Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4498938A Expired - Fee Related DE4498938C2 (de) 1993-11-18 1994-11-18 Vorrichtung zum Erfassen der Ansaugluftmenge eines Motors

Country Status (3)

Country Link
US (1) US5635635A (de)
DE (2) DE4498938T1 (de)
WO (1) WO1995014215A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0785417A3 (de) * 1996-01-17 1998-04-15 Hitachi, Ltd. Heizwiderstand-Luftströmungsmesser
US5753805A (en) * 1996-12-02 1998-05-19 General Motors Corporation Method for determining pneumatic states in an internal combustion engine system
US6672146B1 (en) * 1997-09-11 2004-01-06 Hitachi, Ltd. Thermal resistor type air flow measuring apparatus
JP3981907B2 (ja) 1998-10-21 2007-09-26 株式会社デンソー 流量測定装置
FR2789731B1 (fr) 1999-02-12 2001-03-16 Renault Procede de determination du debit d'air entrant dans un moteur a combustion interne equipe d'un circuit de recirculation des gaz d'echappement
JP2001182596A (ja) * 1999-12-28 2001-07-06 Mikuni Corp 内燃機関の吸気圧力検出装置
US6576972B1 (en) * 2000-08-24 2003-06-10 Heetronix High temperature circuit structures with expansion matched SiC, AlN and/or AlxGa1-xN(x>0.69) circuit device
JP4474771B2 (ja) 2000-12-20 2010-06-09 株式会社デンソー 流量測定装置
JP2003106887A (ja) 2001-09-28 2003-04-09 Yamatake Corp 流量計測装置
DE10163751A1 (de) * 2001-12-27 2003-07-17 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
US6990856B2 (en) * 2003-06-13 2006-01-31 General Motors Corporation Method and apparatus for determining mass of engine intake air with reversion compensation
JP5210491B2 (ja) 2006-02-03 2013-06-12 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
JP2007248136A (ja) * 2006-03-14 2007-09-27 Hitachi Ltd 熱式ガス流量測定装置
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
JP4341651B2 (ja) * 2006-07-28 2009-10-07 株式会社日立製作所 熱式ガス流量計
EP1887334A1 (de) * 2006-08-09 2008-02-13 SpectraSensors, Inc. Mobiler Temperatursensor
JP4614104B2 (ja) * 2006-10-16 2011-01-19 株式会社デンソー 内燃機関の吸入空気量検出装置
DE102013110487A1 (de) * 2012-12-14 2014-07-17 Endress + Hauser Flowtec Ag Thermisches Durchflussmessgerät
JP6106559B2 (ja) * 2013-09-02 2017-04-05 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
WO2015156013A1 (ja) * 2014-04-11 2015-10-15 日産自動車株式会社 内燃機関の制御装置および制御方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3203986A1 (de) * 1982-02-05 1983-08-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur messung des durchflusses eines mediums
DE3218931A1 (de) * 1982-05-19 1983-11-24 Bosch Gmbh Robert Verfahren zur messung der von einer brennkraftmaschine angesaugten pulsierenden luftmasse
DE3220515A1 (de) * 1982-06-01 1983-12-01 Rota Apparate- Und Maschinenbau Dr. Hennig Gmbh & Co Kg, 7867 Wehr Verfahren zum messen des durchflusses in einer fluid-stroemung
DE3438137A1 (de) * 1984-10-18 1986-04-24 Ernst Dr. 5608 Radevormwald Mickenhagen Kupplung, insbesondere fuer elektrische leitungen
EP0044873B1 (de) * 1980-01-31 1986-09-24 Hitachi, Ltd. Vorrichtung zum messen einer luft-durchflussmenge unter verwendung eines hitzdraht-durchflussmessers
DE3006584C2 (de) * 1980-02-22 1988-12-22 Degussa Ag, 6000 Frankfurt, De
DE3911599A1 (de) * 1989-04-08 1990-10-11 Vdo Schindling Widerstandsanordnung fuer einen heissfilmanemometer
DE3135793C2 (de) * 1981-09-10 1991-03-14 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4324040A1 (de) * 1992-07-21 1994-01-27 Bosch Gmbh Robert Massenstromsensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672997A (en) * 1984-10-29 1987-06-16 Btu Engineering Corporation Modular, self-diagnostic mass-flow controller and system
EP0262441B1 (de) * 1986-09-30 1991-03-27 Siemens Aktiengesellschaft Ultraschall-Phasendifferenzverfahren zur Messung hoher Strömungsgeschwindigkeiten
JPH01102724U (de) * 1987-12-26 1989-07-11
JPH01185416A (ja) * 1988-01-20 1989-07-25 Mitsubishi Electric Corp 内燃機関用熱式流量計
JP3044936B2 (ja) * 1992-08-03 2000-05-22 松下電器産業株式会社 流量計
US5383357A (en) * 1993-12-20 1995-01-24 Doll; John A. Mass air flow sensor device
US5461910A (en) * 1994-06-16 1995-10-31 Alnor Instrument Company Fluid flow direction and velocity monitor
US5461913A (en) * 1994-06-23 1995-10-31 Mks Instruments, Inc. Differential current thermal mass flow transducer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044873B1 (de) * 1980-01-31 1986-09-24 Hitachi, Ltd. Vorrichtung zum messen einer luft-durchflussmenge unter verwendung eines hitzdraht-durchflussmessers
DE3006584C2 (de) * 1980-02-22 1988-12-22 Degussa Ag, 6000 Frankfurt, De
DE3135793C2 (de) * 1981-09-10 1991-03-14 Robert Bosch Gmbh, 7000 Stuttgart, De
DE3203986A1 (de) * 1982-02-05 1983-08-18 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur messung des durchflusses eines mediums
DE3218931A1 (de) * 1982-05-19 1983-11-24 Bosch Gmbh Robert Verfahren zur messung der von einer brennkraftmaschine angesaugten pulsierenden luftmasse
DE3220515A1 (de) * 1982-06-01 1983-12-01 Rota Apparate- Und Maschinenbau Dr. Hennig Gmbh & Co Kg, 7867 Wehr Verfahren zum messen des durchflusses in einer fluid-stroemung
DE3438137A1 (de) * 1984-10-18 1986-04-24 Ernst Dr. 5608 Radevormwald Mickenhagen Kupplung, insbesondere fuer elektrische leitungen
DE3911599A1 (de) * 1989-04-08 1990-10-11 Vdo Schindling Widerstandsanordnung fuer einen heissfilmanemometer
DE4324040A1 (de) * 1992-07-21 1994-01-27 Bosch Gmbh Robert Massenstromsensor

Also Published As

Publication number Publication date
DE4498938C2 (de) 2000-05-18
US5635635A (en) 1997-06-03
WO1995014215A1 (fr) 1995-05-26

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