DE68914705D1 - Heissdraht-Luftdurchflussmengenmesser für die Überwachung der Ansaugluftmenge von Verbrennungskraftmaschinen. - Google Patents

Heissdraht-Luftdurchflussmengenmesser für die Überwachung der Ansaugluftmenge von Verbrennungskraftmaschinen.

Info

Publication number
DE68914705D1
DE68914705D1 DE68914705T DE68914705T DE68914705D1 DE 68914705 D1 DE68914705 D1 DE 68914705D1 DE 68914705 T DE68914705 T DE 68914705T DE 68914705 T DE68914705 T DE 68914705T DE 68914705 D1 DE68914705 D1 DE 68914705D1
Authority
DE
Germany
Prior art keywords
monitoring
internal combustion
flow meter
combustion engines
hot wire
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 - Lifetime
Application number
DE68914705T
Other languages
English (en)
Other versions
DE68914705T2 (de
Inventor
Koichi C O Japan Fujiwara
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
Japan Electronic Control Systems Co 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Application granted granted Critical
Publication of DE68914705D1 publication Critical patent/DE68914705D1/de
Publication of DE68914705T2 publication Critical patent/DE68914705T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F02D41/0002—Controlling intake air
    • 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
    • G01F5/00—Measuring a proportion of the volume flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F7/00—Volume-flow measuring devices with two or more measuring ranges; Compound meters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Volume Flow (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE68914705T 1988-02-25 1989-02-24 Heissdraht-Luftdurchflussmengenmesser für die Überwachung der Ansaugluftmenge von Verbrennungskraftmaschinen. Expired - Lifetime DE68914705T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63043172A JP2552320B2 (ja) 1988-02-25 1988-02-25 内燃機関の熱線式空気流量検出装置

Publications (2)

Publication Number Publication Date
DE68914705D1 true DE68914705D1 (de) 1994-05-26
DE68914705T2 DE68914705T2 (de) 1994-11-03

Family

ID=12656464

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68914705T Expired - Lifetime DE68914705T2 (de) 1988-02-25 1989-02-24 Heissdraht-Luftdurchflussmengenmesser für die Überwachung der Ansaugluftmenge von Verbrennungskraftmaschinen.

Country Status (4)

Country Link
US (1) US4905509A (de)
EP (1) EP0330233B1 (de)
JP (1) JP2552320B2 (de)
DE (1) DE68914705T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4130218A1 (de) * 1991-09-11 1993-03-18 Audi Ag Luftfilter fuer eine brennkraftmaschine
NL9201906A (nl) * 1992-11-02 1994-06-01 Huiberts Albertus T Werkwijze en inrichting voor het meten van het debiet van een mediumstroom.
DE4403178C1 (de) * 1994-02-02 1995-05-24 Ziegler Horst Volumendurchflußmesser
GB2309798A (en) * 1996-02-01 1997-08-06 Ford Motor Co Fuel metering system
DE102004017403B4 (de) * 2004-04-08 2010-03-25 Dräger Medical AG & Co. KG Messvorrichtung zur Messung des Volumenstromes eines Gases, dessen Strömungsrichtung sich umkehren kann
DE102004055101B4 (de) * 2004-08-10 2010-11-11 I F M Electronic Gmbh Baueinheit aus einem Strömungssensor, einem Durchlaßkanal und einem innerhalb des Durchlaßkanals angeordneten Meßkanal
JP2009014601A (ja) 2007-07-06 2009-01-22 Yamatake Corp 流量計
DE102009060516A1 (de) * 2009-12-23 2011-06-30 Gebr.Kemper GmbH + Co.KG Metallwerke, 57462 Durchflussmengenmessapparatur für Flüssigkeiten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2063963A1 (de) * 1970-12-28 1972-07-20 Bosch Gmbh Robert Kraftstoffeinspritzanlage für gemischverdichtende, fremdgezündete Brennkraftmaschinen
JPS54111512U (de) * 1978-01-24 1979-08-06
US4232549A (en) * 1978-12-06 1980-11-11 Eaton Corporation Two stage flowmeter
JPS58105013A (ja) * 1981-12-18 1983-06-22 Hitachi Ltd 熱線式流量計
JPS60145438A (ja) * 1983-09-07 1985-07-31 Hitachi Ltd 内燃機関の燃料制御装置
US4648270A (en) * 1984-02-22 1987-03-10 Sirris Flow Technology, Inc. Mass flowmeter
JPS60174838U (ja) * 1984-04-28 1985-11-19 トヨタ自動車株式会社 エンジンの吸入空気量検出装置

Also Published As

Publication number Publication date
JPH01216039A (ja) 1989-08-30
DE68914705T2 (de) 1994-11-03
US4905509A (en) 1990-03-06
EP0330233B1 (de) 1994-04-20
EP0330233A1 (de) 1989-08-30
JP2552320B2 (ja) 1996-11-13

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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