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KR900006656A - 내연기관용 공기유량계 - Google Patents

내연기관용 공기유량계 Download PDF

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Publication number
KR900006656A
KR900006656A KR1019890014582A KR890014582A KR900006656A KR 900006656 A KR900006656 A KR 900006656A KR 1019890014582 A KR1019890014582 A KR 1019890014582A KR 890014582 A KR890014582 A KR 890014582A KR 900006656 A KR900006656 A KR 900006656A
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KR
South Korea
Prior art keywords
combustion engine
internal combustion
passage
air flow
flow meter
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.)
Granted
Application number
KR1019890014582A
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English (en)
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KR0163415B1 (ko
Inventor
도시후미 우수이
아쯔시 호끼다
Original Assignee
미쓰다 가쓰시게
가부시끼가이샤히다찌세이사꾸쇼
모리 미찌쓰구
히다찌오토모티브엔지니어링 콤파니 리미티드
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.)
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Publication date
Application filed by 미쓰다 가쓰시게, 가부시끼가이샤히다찌세이사꾸쇼, 모리 미찌쓰구, 히다찌오토모티브엔지니어링 콤파니 리미티드 filed Critical 미쓰다 가쓰시게
Publication of KR900006656A publication Critical patent/KR900006656A/ko
Application granted granted Critical
Publication of KR0163415B1 publication Critical patent/KR0163415B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G01F5/00—Measuring a proportion of the volume 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

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)
  • Measuring Volume Flow (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음

Description

내연기관용 공기유랑계
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 내연기관용 공기 유량계의 제1실시에를 표시하는 평면도,
제2도는 제1실시예측의 단면도,
제3도는 본 발명의 제2실시예를 표시하는 측의 단면도.

Claims (6)

  1. 내연기관의 흡기통로와 주류로와 이 주류로내에 돌출하고 상기 주류로를 통한 공기의 흐름의 방향과 거의 평행한 부분을 가지도록 배설한 소정의 길이의 부류로로서 형성하고 흡기류를 측정센서와 상기 부류로 내에 설치한 상기 센서와 상기 주류로의 벽면에서 단면적 변화부를 포함하는 상기 공기유량계와, 상기 단면적 변화부에서 단면적변화에 변화도니 상기 주류로와 단면적변화부근의 상기 부류로의 출구를 포함하는 내연기관용 공기유량계.
  2. 제1항에 있어서 상기 부류로의 출구의 배치 취치가 상기 주류로의 단면적 변화부분의 감소 끝단에서 상기 주류로 반경이내로 되어있는 내연기관용 공기유량계.
  3. 제2항에 있어서 상기 부류로의 출구의 배치위치가 상기 주류로의 면적변화부분의 감소 끝단에서 상류방향인 내연기관용 공기유랑계.
  4. 제1항에 있어서 상기 주류로의 단면적 변화부분의 형상이 원추형을 이루고 또한 그 원추의 각도가 10도이상인 내연기관용 공기 유량계.
  5. 제1항에 있어서 상기 주류로의 단면적 변화의 형성이 서로 다른 직경을 가지는 원통내의 스텝상 접합형상인 내연기관용 공기 유량계.
  6. 제4항 또는 제5항에 있어서, 상기 주류로의 단면적 변화부분의 상류와 하류에서의 유로 경차가 1.1배 이상이 되는 내연기관용 공기 유량계.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890014582A 1988-10-18 1989-10-11 내연기관용 공기유량계 Expired - Fee Related KR0163415B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-260469 1988-10-18
JP63260469A JPH0654251B2 (ja) 1988-10-18 1988-10-18 内燃機関用空気流量計

Publications (2)

Publication Number Publication Date
KR900006656A true KR900006656A (ko) 1990-05-08
KR0163415B1 KR0163415B1 (ko) 1999-03-30

Family

ID=17348382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890014582A Expired - Fee Related KR0163415B1 (ko) 1988-10-18 1989-10-11 내연기관용 공기유량계

Country Status (4)

Country Link
US (1) US4986116A (ko)
JP (1) JPH0654251B2 (ko)
KR (1) KR0163415B1 (ko)
DE (1) DE3934759A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2674908B1 (fr) * 1991-04-08 1994-03-04 Jaeger Dispositif de controle d'admission d'air pour un systeme d'injection de vehicules comprenant une thermistance, ensemble pour la realisation de ce dispositif et procede de fabrication de cet ensemble.
DE19647086A1 (de) * 1996-11-14 1998-05-28 Bosch Gmbh Robert Vorrichtung zur Messung der Masse eines strömenden Mediums
DE19815656A1 (de) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Meßvorrichtung zum Messen der Masse eines strömenden Mediums
JP6140985B2 (ja) * 2012-11-19 2017-06-07 トヨタ紡織株式会社 内燃機関の吸気管構造

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676012A (en) * 1979-11-27 1981-06-23 Hitachi Ltd Measuring device of suction air quantity
JPS5677716A (en) * 1979-11-29 1981-06-26 Hitachi Ltd Detector for amount of sucked air
JPS57104817A (en) * 1980-12-22 1982-06-30 Hitachi Ltd Air quantity measuring apparatus for internal combustion engine
JPS58105013A (ja) * 1981-12-18 1983-06-22 Hitachi Ltd 熱線式流量計
JPS58109816A (ja) * 1981-12-23 1983-06-30 Hitachi Ltd エアフロ−メ−タ
JPS58109815A (ja) * 1981-12-23 1983-06-30 Hitachi Ltd エアフロ−メ−タ
DE3203641A1 (de) * 1982-02-03 1983-08-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur verhinderung einer beschaedigung eines in einem stroemungsquerschnitt angeordneten temperaturabhaengigen widerstandes durch ueberhitzung und luftmassenmessvorrichtung zur durchfuehrung des verfahrens
JPS58135916A (ja) * 1982-02-08 1983-08-12 Hitachi Ltd 内燃機関用熱式流量計
JPS6165053A (ja) * 1984-09-07 1986-04-03 Hitachi Ltd 空気流量計
JPH0672793B2 (ja) * 1986-01-08 1994-09-14 株式会社日立製作所 流量検出装置
US4873641A (en) * 1986-07-03 1989-10-10 Nissan Motor Company, Limited Induction volume sensing arrangement for an internal combustion engine or the like
US4870857A (en) * 1986-07-28 1989-10-03 Airsensors, Inc. Throttle body with internally mounted anemometer
US4776213A (en) * 1987-03-18 1988-10-11 Ford Motor Company Mass airflow meter
KR950009044B1 (ko) * 1987-06-17 1995-08-14 가부시키가이샤 히타치세이사쿠쇼 발열저항식 공기유량측정장치

Also Published As

Publication number Publication date
JPH02108920A (ja) 1990-04-20
DE3934759C2 (ko) 1993-07-01
DE3934759A1 (de) 1990-04-19
JPH0654251B2 (ja) 1994-07-20
KR0163415B1 (ko) 1999-03-30
US4986116A (en) 1991-01-22

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