KR880004207A - Air-fuel ratio control device of internal combustion engine - Google Patents

Air-fuel ratio control device of internal combustion engine Download PDF

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Publication number
KR880004207A
KR880004207A KR1019870008692A KR870008692A KR880004207A KR 880004207 A KR880004207 A KR 880004207A KR 1019870008692 A KR1019870008692 A KR 1019870008692A KR 870008692 A KR870008692 A KR 870008692A KR 880004207 A KR880004207 A KR 880004207A
Authority
KR
South Korea
Prior art keywords
air
fuel ratio
internal combustion
combustion engine
ratio control
Prior art date
Application number
KR1019870008692A
Other languages
Korean (ko)
Other versions
KR930000175B1 (en
Inventor
세이지 와타야
신지 고지마
료지 니시야마
Original Assignee
시키 모리야
미츠비시 덴키 가부시키가이샤
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 시키 모리야, 미츠비시 덴키 가부시키가이샤 filed Critical 시키 모리야
Publication of KR880004207A publication Critical patent/KR880004207A/en
Application granted granted Critical
Publication of KR930000175B1 publication Critical patent/KR930000175B1/en

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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
    • F02D41/14—Introducing closed-loop corrections
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/068—Introducing corrections for particular operating conditions for engine starting or warming up for warming-up

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

내용 없음No content

Description

내연기관의 공연비제어장치Air-fuel ratio control device of internal combustion engine

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본원 발명 및 종래 장치의 내연기관의 공연비제어장치의 구성도,1 is a block diagram of an air-fuel ratio control apparatus for an internal combustion engine of the present invention and the conventional apparatus,

제2도는 본원 발명의 공연비제어의 동작을 나타내는 플로차트,2 is a flowchart showing the operation of the air-fuel ratio control of the present invention;

제3도는 본원 발명에 사용한 공연비센서의 구성도.3 is a block diagram of an air-fuel ratio sensor used in the present invention.

Claims (1)

내연기관의 배출가스 성분으로부터 리치측의 공연비를 검출할 수 있는 공연비센서와, 기관의 흡입공기량에 대응한 연료공급량을 냉각수온도에 따라서 증량 보정하는 동시에 냉각수온도에 따라서 미리 설정된 목표공연비와 상기 공연비센서에서 얻어지는 공연비 출력이 일치하도록 상기 공연비를 피드백제어하는 수단을 설치한 것을 특징으로 하는 내연기관의 공연비제어장치.The air-fuel ratio sensor which can detect the air-fuel ratio of the rich side from the exhaust gas component of the internal combustion engine, and the fuel supply amount corresponding to the intake air amount of the engine is increased and corrected according to the coolant temperature, and the target air fuel ratio and the air-fuel ratio sensor preset according to the coolant temperature An air-fuel ratio control apparatus for an internal combustion engine, characterized in that a means for feedback control of the air-fuel ratio is installed so that the output of the air-fuel ratio matches. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870008692A 1986-09-30 1987-08-08 Air-fuel ratio control device for internal combustion engine KR930000175B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP233584 1986-09-30
JP61233584A JPS6388241A (en) 1986-09-30 1986-09-30 Air-fuel ratio control device for internal combustion engine
JP???61-233584 1986-09-30

Publications (2)

Publication Number Publication Date
KR880004207A true KR880004207A (en) 1988-06-02
KR930000175B1 KR930000175B1 (en) 1993-01-11

Family

ID=16957358

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008692A KR930000175B1 (en) 1986-09-30 1987-08-08 Air-fuel ratio control device for internal combustion engine

Country Status (3)

Country Link
JP (1) JPS6388241A (en)
KR (1) KR930000175B1 (en)
DE (1) DE3733052A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4331853C2 (en) * 1992-09-26 2001-12-06 Volkswagen Ag Internal combustion engine
DE19755299A1 (en) * 1997-12-12 1999-06-17 Man Nutzfahrzeuge Ag Process for NO¶x¶ reduction in mixture-compressing internal combustion engines
US6453229B1 (en) * 1999-10-19 2002-09-17 Unisia Jecs Corporation Air-fuel ratio control device for internal combustion engine and method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603446A (en) * 1983-06-21 1985-01-09 Mitsubishi Electric Corp Air-fuel ratio controller of engine
JPH0713493B2 (en) * 1983-08-24 1995-02-15 株式会社日立製作所 Air-fuel ratio controller for internal combustion engine
JPS60230532A (en) * 1984-04-28 1985-11-16 Toyota Motor Corp Air-fuel ratio controller for internal-combustion engine

Also Published As

Publication number Publication date
JPS6388241A (en) 1988-04-19
DE3733052A1 (en) 1988-04-07
KR930000175B1 (en) 1993-01-11

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