KR840007141A - 자동차용 내연기관의 공연비(空燃比) 제어방법 - Google Patents

자동차용 내연기관의 공연비(空燃比) 제어방법 Download PDF

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Publication number
KR840007141A
KR840007141A KR1019830004871A KR830004871A KR840007141A KR 840007141 A KR840007141 A KR 840007141A KR 1019830004871 A KR1019830004871 A KR 1019830004871A KR 830004871 A KR830004871 A KR 830004871A KR 840007141 A KR840007141 A KR 840007141A
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South Korea
Prior art keywords
air
internal combustion
combustion engine
fuel ratio
control method
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KR1019830004871A
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English (en)
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KR880001684B1 (ko
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히로시 구로이와 (외 1)
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미다 가쓰시게
가부시기 가이샤 히다찌 세이사꾸쇼
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Publication of KR840007141A publication Critical patent/KR840007141A/ko
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Publication of KR880001684B1 publication Critical patent/KR880001684B1/ko

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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
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • 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
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
    • F02D35/0023—Controlling air supply
    • F02D35/003—Controlling air supply by means of by-pass passages
    • 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

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)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

내용 없음

Description

자동차용 내연기관의 공연비(空燃比) 제어방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 연료분사형 내연기관에 있어서의 본원 발명의 실시예를 나타낸 구성도
제2도는 스로틀밸브 개도를 파라미터로 한 다기관(多岐館)부압 및 메인통로의 공기량 변화를 나타낸 특성도
제3도는 연료량의 연산을 나타낸 플로우차아트.

Claims (7)

  1. 메인흡기로(16)를 통과하는 공기량 QA에 대응하여 내연기관에 공급할 연료량 TI을 결정하고, 자동차의 소정의 운전모우드 θ1~θ2으로 결정되는 소정의 희박공연비로 되도록, 상기 메인흡기로(16)에 대해서 설치된 바이패스통로(32)를 통과하는 공기량을 제어하며, 그것에 의해 상기 소정의 운전모우드에 있어서 희박혼합기운전을 하도록 한 자동차용 내연기관의 공연비 제어방법에 있어서, 상기 바이패스통로(32)를 통과하는 공기량에 대응해서 연료공급량 TI을 보정제어하는 스텝을 갖는 것을 특징으로 하는 자동차용 내연기관의 공연비 제어방법.
  2. 상기 바이패스통로(32)의 공기량이 증가하는데 대응해서 메인흡인기로의 공기량이 감소하고, 그 감소에 수반해서 감소하는 공급연료량을 증량 4TI하는 스텝을 갖는 것을 특징으로 하는 특허청구의 범위 1 기재의 자동차용 내연기관의 공연비 제어방법.
  3. 상기 바이패스통로(32)의 바이패스밸브θB가 상기 메인흡기로(16)의 스로틀밸브 개도 θTH와 상기 내연기관의 속도 N를 끌어들이는 스텝 312와, 상기 스로틀밸브개도 θTH와 엔진속도 N를 파라미터로 하는 메모리 ROM 에 유지되어 있는 루크업 테이블에서 바이패스밸브 개도 θB를 읽어내는 스텝 318에서 얻어지는 것을 특징으로 하는 제1항 기재의 자동차용 내연기관의 공연비 제어방법.
  4. 상기 중량 △TI이 상기 메인흡기로(16)의 스로틀밸브 개도 θTH와 상기 바이패스통로(32)의 바이패스 밸브 개도 θB를 파라미터로서 메모리 ROM 에 유지되어 있는 루크업테이블에서 검색되는 스텝 320에 의해 얻어지는 것을 특징으로 하는 특허청구 범위 2 기재의 자동차용 내연기관의 공연비 제어방법.
  5. 상기 내연기관이 연료분사형인 것을 특징으로 하는 특허청구의 범위 1 기재의 자동차용 내연기관의 공연비 제어방법.
  6. 상기 내연기관이 카아뷰데이터를 사용하는 형의 것임을 특징으로 하는 특허청구의 범위 1 기재의 자동차용 내연기관의 공연비 제어방법.
  7. ※참고사항: 최초출원 내용에 의하여 공개하는 것임.
KR1019830004871A 1982-10-18 1983-10-14 자동차용 내연기관의 공연비(空燃比) 제어방법 KR880001684B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP57-181283 1982-10-18
JP57181283A JPS5970853A (ja) 1982-10-18 1982-10-18 自動車用エンジンの制御装置
JP181283 1982-10-18

Publications (2)

Publication Number Publication Date
KR840007141A true KR840007141A (ko) 1984-12-05
KR880001684B1 KR880001684B1 (ko) 1988-09-06

Family

ID=16097979

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830004871A KR880001684B1 (ko) 1982-10-18 1983-10-14 자동차용 내연기관의 공연비(空燃比) 제어방법

Country Status (5)

Country Link
US (1) US4616621A (ko)
EP (1) EP0106348B1 (ko)
JP (1) JPS5970853A (ko)
KR (1) KR880001684B1 (ko)
DE (1) DE3378922D1 (ko)

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JPS61167134A (ja) * 1985-01-18 1986-07-28 Mazda Motor Corp エンジンの空燃比制御装置
JPH0621594B2 (ja) * 1985-02-15 1994-03-23 三菱自動車工業株式会社 車両用エンジンの空燃比制御装置
JPS61187560A (ja) * 1985-02-15 1986-08-21 Diesel Kiki Co Ltd 燃料噴射時期制御方法
JPH0663461B2 (ja) * 1985-09-03 1994-08-22 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
JPS6278447A (ja) * 1985-10-02 1987-04-10 Mitsubishi Electric Corp 内燃機関の燃料噴射制御装置
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JPH0681719A (ja) * 1992-08-31 1994-03-22 Hitachi Ltd 内燃機関の吸気装置
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US5778856A (en) * 1993-12-28 1998-07-14 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Control device and control method for lean-burn engine
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Also Published As

Publication number Publication date
DE3378922D1 (en) 1989-02-16
US4616621A (en) 1986-10-14
EP0106348B1 (en) 1989-01-11
EP0106348A2 (en) 1984-04-25
EP0106348A3 (en) 1985-12-11
KR880001684B1 (ko) 1988-09-06
JPS5970853A (ja) 1984-04-21

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