KR900008251A - 내연기관에 사용되는 흡입공기 유량 측정장치 - Google Patents

내연기관에 사용되는 흡입공기 유량 측정장치

Info

Publication number
KR900008251A
KR900008251A KR1019890015651A KR890015651A KR900008251A KR 900008251 A KR900008251 A KR 900008251A KR 1019890015651 A KR1019890015651 A KR 1019890015651A KR 890015651 A KR890015651 A KR 890015651A KR 900008251 A KR900008251 A KR 900008251A
Authority
KR
South Korea
Prior art keywords
internal combustion
air flow
intake air
measurement device
device used
Prior art date
Application number
KR1019890015651A
Other languages
English (en)
Other versions
KR0144725B1 (ko
Inventor
마수오 아가마쭈
마사요시 수주끼
Original Assignee
가부시끼가이샤 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.)
Filing date
Publication date
Application filed by 가부시끼가이샤 히다찌세이사꾸쇼 filed Critical 가부시끼가이샤 히다찌세이사꾸쇼
Publication of KR900008251A publication Critical patent/KR900008251A/ko
Application granted granted Critical
Publication of KR0144725B1 publication Critical patent/KR0144725B1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/18—Indicating, recording or alarm devices actuated electrically
    • 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
    • G01F1/684—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)
KR1019890015651A 1988-11-02 1989-10-30 내연기관에 사용되는 흡입공기 유량 측정장치 KR0144725B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-276285 1988-11-02
JP63276285A JPH0715395B2 (ja) 1988-11-02 1988-11-02 吸入空気流量測定装置

Publications (2)

Publication Number Publication Date
KR900008251A true KR900008251A (ko) 1990-06-02
KR0144725B1 KR0144725B1 (ko) 1998-07-15

Family

ID=17567317

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015651A KR0144725B1 (ko) 1988-11-02 1989-10-30 내연기관에 사용되는 흡입공기 유량 측정장치

Country Status (5)

Country Link
US (1) US4976140A (ko)
EP (1) EP0367111B1 (ko)
JP (1) JPH0715395B2 (ko)
KR (1) KR0144725B1 (ko)
DE (1) DE68925341T2 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8569066B2 (en) 2006-12-29 2013-10-29 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0477418B1 (de) * 1990-09-28 1996-04-03 Siemens Aktiengesellschaft Ultraschall (US)-Durchflussmesser-Einbaueinheit zum Einbauen in ein Messrohr
JP2934380B2 (ja) * 1994-06-10 1999-08-16 株式会社日立製作所 熱式空気流量計
JP2004317268A (ja) * 2003-04-16 2004-11-11 Hitachi Ltd 車載電子装置，熱式流量計及び電子回路基板

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645133A (en) * 1970-04-15 1972-02-29 Metrophysics Inc Electronic spirometer
DE2750050C2 (de) * 1977-11-09 1983-12-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Luftmengenmessung
JPS5543447A (en) * 1978-09-22 1980-03-27 Hitachi Ltd Hot-wire type flow rate measuring device
JPS5722563A (en) * 1980-07-15 1982-02-05 Hitachi Ltd Sucked air flowmeter for internal combustion engine
DE3751386T2 (de) * 1986-07-17 1996-01-11 Mitsubishi Electric Corp Messvorrichtung für Motoransaugluftmenge.
JPS63182524A (ja) * 1987-01-23 1988-07-27 Mitsubishi Electric Corp エア・フロ−・センサ用入力処理回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8569066B2 (en) 2006-12-29 2013-10-29 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism
US8945907B2 (en) 2006-12-29 2015-02-03 Cj Cheiljedang Corporation Genetically engineered recombinant Escherichia coli producing L-tryptophan having originally L-phenylalanine productivity, and method for producing L-tryptophan using the microorganism

Also Published As

Publication number Publication date
EP0367111B1 (en) 1996-01-03
US4976140A (en) 1990-12-11
KR0144725B1 (ko) 1998-07-15
JPH0715395B2 (ja) 1995-02-22
EP0367111A3 (en) 1991-01-09
EP0367111A2 (en) 1990-05-09
DE68925341T2 (de) 1996-05-23
JPH02124429A (ja) 1990-05-11
DE68925341D1 (de) 1996-02-15

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