KR830008155A - 공기유량 검출장치 - Google Patents

공기유량 검출장치 Download PDF

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Publication number
KR830008155A
KR830008155A KR1019810004842A KR810004842A KR830008155A KR 830008155 A KR830008155 A KR 830008155A KR 1019810004842 A KR1019810004842 A KR 1019810004842A KR 810004842 A KR810004842 A KR 810004842A KR 830008155 A KR830008155 A KR 830008155A
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KR
South Korea
Prior art keywords
air flow
passage
air
flow rate
bypass
Prior art date
Application number
KR1019810004842A
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English (en)
Other versions
KR880000356B1 (ko
Inventor
미네오 가시와야
긴사꾸 야마다
Original Assignee
미다 가쓰시게
가부시기 가이샤 히다찌세이사꾸쇼
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 미다 가쓰시게, 가부시기 가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR830008155A publication Critical patent/KR830008155A/ko
Application granted granted Critical
Publication of KR880000356B1 publication Critical patent/KR880000356B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
    • F02M35/021—Arrangements of air flow meters in or on air cleaner housings
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Volume Flow (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음

Description

공기유량검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명에 의한 공기유량검출장치를 나타낸 단면도.
제2도는 제1도에 표시된 공기유량검출장치의 파이프의 다른 변형예를 나타낸 단면도.
제3a도 및 제3b도는 본원 발명에 의한 공기유량검출장치의 다른 실시예를 나타낸 단면도 및 상면도.

Claims (10)

  1. 엔진에 공급되는 공기를 받아 들이는 에어클리너와, 엔진에 공급되는 공기유량을 제어하기 위한 스로틀밸브수단과, 그 에어클리너와 스로틀밸브수단과의 사이에 설치되며, 또한 벤츄리부를 갖는 공기통로와, 그한쪽을 공기통로의 벤츄리부 상류에 개구와 다른 쪽을 벤츄리부에 개구하는 바이패스공기통로와, 이 바이패스통로내에 설치된 공기유량검출수단과, 그리고 그 바이패스공기통로의 상류 개구부에, 바이패스통로내의공기류를 정류하도록, 바이패스통로 상류 개구부에, 바이패스통로 입구에서 그 공기유량검출수단까지의 거리를 소요의 길이로 하기 위해 부착된 공기통류수단을 갖는 공기유량검출장치.
  2. 바이패스통로는 원통상으로 형성되고, 또한 바이 패스통로입구에서 공기유량검출 수단까지의 거리를 바이패스통로의 직경의 적어도 2배 이상으로 하는 공기유량 검출장치.
  3. 공기통로에는 랜드부가 설치되어 있고, 이 바이패스통로의 입구는 이 랜드부상에 설치되어 있는 특허청구의 범위 1 및 2 기재의 공기유량 검출장치.
  4. 바이패스통로의 단면은 바이패스통로 상류 입구부에 부착된 공기유통수단의 단면과 동일한 특허청구 범위 1기재의 공기유량 검출장치.
  5. 바이패스통로 상류 개구부에 부착된 공기통류수단의 입구는 이 공기통로의 벤츄리부의 상부 투영부내에 또한 벤츄리부의 축선에 대한 수직면에 따라서 개구되어 있는 특허청구의 범위 1 기재의 공기유량 검출장치.
  6. 공기유통수단의 입구는 또한 벤츄리의 축선에 대해 대략 수직으로 개구되어 있는 특허청구의 범위 5기재의 공기유량 검출장치.
  7. 공기유량 검출수단을 열선(熱線)으로 이루어진 특허청구 범위 1 또는 5기재의 공기유량 검출장치.
  8. 공기통류수단은 공기류를 정류(整流)하는 수단을 가진 특허청구 범위 1 또는 5기재의 공기유량 검출장치.
  9. 바이패스공기통로는 공기통로와 평행으로 형성되어 있는 특허청구의 범위 1기재의 공기유량검출장치.
  10. 공기유통수단은 "L"자상인 특허청구 범위 1 또는 5기재의 공기유량 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019810004842A 1980-12-22 1981-12-10 공기유량검출장치 KR880000356B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP182272 1980-12-22
JP55182272A JPS57104817A (en) 1980-12-22 1980-12-22 Air quantity measuring apparatus for internal combustion engine

Publications (2)

Publication Number Publication Date
KR830008155A true KR830008155A (ko) 1983-11-16
KR880000356B1 KR880000356B1 (ko) 1988-03-20

Family

ID=16115357

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019810004842A KR880000356B1 (ko) 1980-12-22 1981-12-10 공기유량검출장치

Country Status (5)

Country Link
US (1) US4495802A (ko)
EP (1) EP0054887B1 (ko)
JP (1) JPS57104817A (ko)
KR (1) KR880000356B1 (ko)
DE (1) DE3176670D1 (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111720A (ja) * 1981-12-25 1983-07-02 Japan Electronic Control Syst Co Ltd 内燃機関の吸気構造
JPS60107525A (ja) * 1983-11-16 1985-06-13 Hitachi Ltd 熱線式空気流量計
US4674460A (en) * 1985-09-30 1987-06-23 Chrysler Motors Corporation Fuel injection system
DE3539013A1 (de) * 1985-11-02 1987-05-07 Vdo Schindling Anordnung mit einem luftmassenmesser fuer eine brennkraftmaschine
US4942763A (en) * 1988-03-23 1990-07-24 Harpster Joseph W Flow sensor assembly
JPH0654251B2 (ja) * 1988-10-18 1994-07-20 株式会社日立製作所 内燃機関用空気流量計
DE3905746A1 (de) * 1989-02-24 1990-08-30 Bosch Gmbh Robert Luftmessvorrichtung
DE3922488C2 (de) * 1989-07-08 1997-02-13 Bosch Gmbh Robert Luftmeßvorrichtung
KR950001326B1 (ko) * 1990-03-12 1995-02-17 가부시기가이샤 히다찌 세이사꾸쇼 내연기관용 공기유량계와 이것의 제조방법
JPH0681719A (ja) * 1992-08-31 1994-03-22 Hitachi Ltd 内燃機関の吸気装置
USRE37269E1 (en) 1992-08-31 2001-07-10 Hitachi, Ltd. Air intake arrangement for internal combustion engine
US5537870A (en) * 1994-10-03 1996-07-23 Ford Motor Company Contaminant free backflow reducing insert for mass air flow sensors
DE19735664A1 (de) * 1997-08-16 1999-02-18 Bosch Gmbh Robert Filtermodul
US6142123A (en) * 1998-12-14 2000-11-07 Cannondale Corporation Motorcycle
JP4629909B2 (ja) * 2001-05-23 2011-02-09 ヤンマー株式会社 田植機の植付部
JP5785717B2 (ja) 2011-01-14 2015-09-30 本田技研工業株式会社 内燃機関の吸気装置
US9115671B2 (en) * 2012-11-07 2015-08-25 Benebe, Inc. Hybrid carburetor and fuel injection assembly for an internal combustion engine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106720A (en) * 1978-02-10 1979-08-22 Mitsubishi Electric Corp Measuring apparatus for flow rate sucked air in internal combustion engine
JPS54145166A (en) * 1978-04-10 1979-11-13 Hitachi Ltd Measuring apparatus of suction air flow rates
JPS6047462B2 (ja) * 1978-06-02 1985-10-22 株式会社日立製作所 電子制御燃料噴射装置の吸入空気量計測装置
DE2827780A1 (de) * 1978-06-24 1980-01-03 Degussa Hitzdrahtanemometer zur messung der stroemungsgeschwindigkeit von gasen und fluessigkeiten (i)
JPS591347B2 (ja) * 1978-06-28 1984-01-11 株式会社日立製作所 燃料供給装置
JPS5537555A (en) * 1978-09-11 1980-03-15 Hitachi Ltd Air fuel ratio controller
JPS5578164A (en) * 1978-12-06 1980-06-12 Hitachi Ltd Air/fuel mixture supply device
JPS55119925A (en) * 1979-03-07 1980-09-16 Hitachi Ltd Hot-wire type air-flow meter for internal combustion engine
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

Also Published As

Publication number Publication date
EP0054887A3 (en) 1983-10-05
DE3176670D1 (en) 1988-04-07
JPS57104817A (en) 1982-06-30
EP0054887B1 (en) 1988-03-02
KR880000356B1 (ko) 1988-03-20
EP0054887A2 (en) 1982-06-30
US4495802A (en) 1985-01-29

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