DE3472162D1 - Hot-wire air-flow meter - Google Patents

Hot-wire air-flow meter

Info

Publication number
DE3472162D1
DE3472162D1 DE8484113825T DE3472162T DE3472162D1 DE 3472162 D1 DE3472162 D1 DE 3472162D1 DE 8484113825 T DE8484113825 T DE 8484113825T DE 3472162 T DE3472162 T DE 3472162T DE 3472162 D1 DE3472162 D1 DE 3472162D1
Authority
DE
Germany
Prior art keywords
hot
flow meter
wire air
wire
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
DE8484113825T
Other languages
German (de)
English (en)
Inventor
Masami Nagano
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 DE3472162D1 publication Critical patent/DE3472162D1/de
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
    • 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

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)
DE8484113825T 1983-11-16 1984-11-15 Hot-wire air-flow meter Expired DE3472162D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58213939A JPS60107525A (ja) 1983-11-16 1983-11-16 熱線式空気流量計

Publications (1)

Publication Number Publication Date
DE3472162D1 true DE3472162D1 (en) 1988-07-21

Family

ID=16647544

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484113825T Expired DE3472162D1 (en) 1983-11-16 1984-11-15 Hot-wire air-flow meter

Country Status (5)

Country Link
US (1) US4624134A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0145968B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60107525A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR900001464B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3472162D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6282240A (ja) * 1985-10-04 1987-04-15 Hitachi Ltd 吸入空気量測定装置
JPH0672793B2 (ja) * 1986-01-08 1994-09-14 株式会社日立製作所 流量検出装置
DE3855552T2 (de) * 1987-10-23 1997-02-20 Hitachi Ltd Heissdraht-Luftdurchflussmesser und dessen Verwendung in einer Brennkraftmaschine
DE3905746A1 (de) * 1989-02-24 1990-08-30 Bosch Gmbh Robert Luftmessvorrichtung
JP2694664B2 (ja) * 1989-03-07 1997-12-24 株式会社日立製作所 熱線式空気流量計及び該流量計を備えた内燃機関
DE3922488C2 (de) * 1989-07-08 1997-02-13 Bosch Gmbh Robert Luftmeßvorrichtung
JPH0718726B2 (ja) * 1989-08-28 1995-03-06 株式会社日立製作所 内燃機関用空気流量計及びその製造方法
US5383356A (en) * 1993-04-08 1995-01-24 Ford Motor Company Mass air flow sensor arrangement having increased dynamic range
US5571960A (en) * 1994-04-08 1996-11-05 Aisan Kogyo Kabushiki Kaisha Throttle valve opening degree sensor
US5787380A (en) * 1995-10-27 1998-07-28 Ford Global Technologies, Inc. Air/fuel control including lean cruise operation
SE538092C2 (sv) 2012-12-04 2016-03-01 Scania Cv Ab Luftmassemätarrör

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103016A (en) * 1980-12-19 1982-06-26 Hitachi Ltd Air suction flowmeter
JPS57104817A (en) * 1980-12-22 1982-06-30 Hitachi Ltd Air quantity measuring apparatus for internal combustion engine
JPS57119133A (en) * 1981-01-13 1982-07-24 Hitachi Ltd Device for measuring quantity of air sucked into internal combustion engine
DE3130626A1 (de) * 1981-08-01 1983-02-17 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines stroemenden mediums
JPS5896163A (ja) * 1981-12-02 1983-06-08 Hitachi Ltd 燃料制御装置
JPS58105013A (ja) * 1981-12-18 1983-06-22 Hitachi Ltd 熱線式流量計
JPS58109815A (ja) * 1981-12-23 1983-06-30 Hitachi Ltd エアフロ−メ−タ

Also Published As

Publication number Publication date
JPH0441287B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-07
EP0145968A1 (en) 1985-06-26
JPS60107525A (ja) 1985-06-13
EP0145968B1 (en) 1988-06-15
US4624134A (en) 1986-11-25
KR900001464B1 (ko) 1990-03-12
KR850003932A (ko) 1985-06-29

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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