KR910014596A - 다기통 내연기관의 연료상태 검출방법 및 그 장치 - Google Patents

다기통 내연기관의 연료상태 검출방법 및 그 장치 Download PDF

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Publication number
KR910014596A
KR910014596A KR1019910000170A KR910000170A KR910014596A KR 910014596 A KR910014596 A KR 910014596A KR 1019910000170 A KR1019910000170 A KR 1019910000170A KR 910000170 A KR910000170 A KR 910000170A KR 910014596 A KR910014596 A KR 910014596A
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South Korea
Prior art keywords
cylinder
internal combustion
rotational speed
combustion engine
state
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KR1019910000170A
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English (en)
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KR0154985B1 (ko
Inventor
이다까 다가구
미네오 가시와야
죠우홍 다나까
도우오 이시이
Original Assignee
미쓰다 가쓰시게
가부시끼가이샤 히다찌 세이사꾸쇼
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Priority claimed from JP2000509A external-priority patent/JP2559509B2/ja
Priority claimed from JP2042458A external-priority patent/JP2559516B2/ja
Application filed by 미쓰다 가쓰시게, 가부시끼가이샤 히다찌 세이사꾸쇼 filed Critical 미쓰다 가쓰시게
Publication of KR910014596A publication Critical patent/KR910014596A/ko
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Publication of KR0154985B1 publication Critical patent/KR0154985B1/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • 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
    • F02D41/1497—With detection of the mechanical response of the engine
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/11—Testing internal-combustion engines by detecting misfire
    • 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
    • F02D41/008—Controlling each cylinder individually

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

내용 없음

Description

다기통 내연기관의 연료상태 검출방법 및 그 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 (a)~(c)는 본 발명에 있어 연료상태 검출방법의 원리를 설명하는 각종파형도, 제2도는 본 발명에 있어 연료상태 검출장치의 전체구성을 표시하는 도면.

Claims (5)

  1. 다기통 내연기관의 각 기통의 연소상태를 검출하는 방법에 있어서, 상기 다기통 내연기관의 각 기통에 대응하여 적어도 3개의 시점에서 그의 회전속도의 순시치를 검출하고, 이것을 적어도 3개의 시점에 있어 회전속도의 검출치에서 각 기통에 있어 회전속도의 변화상태를 산출하고 이 산출된 회전속도의 변화상태에 의거하여 각 기통의 연소상태를 검출하는 다기통 내연기관의 연소상태 검출방법.
  2. 다기통 내연기관의 각 기통의 연소상태를 검출하는 검출장치에 있어서, 적어도 상기 다기통 내연기관의 각 기통마다의 회전수 변동을 검출하는 회전수 검출수단과, 상기 다기통내연기관의 각 기통마다의 연소행정을 표시하는 기통별 연소행정 신호를 발생하는 수단과, 상기 회전수 검출수단 및 상기 기통별 연소행정 신호 발생수단에서의 출력신호에 의거하여 상기 다기통 내연기관의 각 기통에 대응하여 적어도 3개의 시점에서 그의 회전속도의 순시치를 검출하고 이것을 적어도 3개의 시점에 있어 회전속도의 검출치에서 각 기통에 있어 회전속도의 변화상태를 산출하고 이 산출된 회전속도의 변화상태에 의거하여 각 기통의 연소상태를 검출하는 다기통 내연기관의 연소상태 검출장치.
  3. 내연기관의 회전속도를 검출하는 회전속도 검출수단과, 이 회전속도에 대한 회전속도 보정량을 구하는 수단과, 더욱 회전속도 보정량에서 보정회전 속도를 구하는 회전속도 보정수단과, 이 보정회전 속도에서 내연기관의 연소상태를 판정하는 연소상태 판정수단으로 되는 내연기관의 연소상태 검출장치.
  4. 제2항에 있어서, 상기 연소상태 판정수단은 엔진의 실화상태를 판정하는 것을 특징으로 하는 내연기관의 연소상태 검출장치.
  5. 제3항에 있어서, 상기 회전속도 보정수단은 계수를 기억하는 기억수단과, 상기 회전속도의 검출된 크랜크각도에 대응하여 상기 기억수단과 기억된 계수와 상기 회전속도에서 회전속도 보정량, 더욱 보정회전속도를 연산하는 연산수단으로 되는 것을 특징으로 하는 내연기관의 연소상태 검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019910000170A 1990-01-08 1991-01-08 다기통 내연기관의 연료상태 검출방법 및 그 장치 KR0154985B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2-509 1990-01-08
JP2-000509 1990-01-08
JP2000509A JP2559509B2 (ja) 1990-01-08 1990-01-08 多気筒内燃機関の失火検出方法及びその装置
JP2042458A JP2559516B2 (ja) 1990-02-26 1990-02-26 内燃機関の燃焼状態検出装置
JP2-042458 1990-02-26

Publications (2)

Publication Number Publication Date
KR910014596A true KR910014596A (ko) 1991-08-31
KR0154985B1 KR0154985B1 (ko) 1998-11-16

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KR1019910000170A KR0154985B1 (ko) 1990-01-08 1991-01-08 다기통 내연기관의 연료상태 검출방법 및 그 장치

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US (1) US5241480A (ko)
EP (1) EP0437057B1 (ko)
KR (1) KR0154985B1 (ko)
DE (1) DE69004410T2 (ko)

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Publication number Publication date
US5241480A (en) 1993-08-31
DE69004410D1 (de) 1993-12-09
KR0154985B1 (ko) 1998-11-16
DE69004410T2 (de) 1994-05-19
EP0437057B1 (en) 1993-11-03
EP0437057A1 (en) 1991-07-17

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