KR900001960A - Fuel control device - Google Patents

Fuel control device Download PDF

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Publication number
KR900001960A
KR900001960A KR1019890010210A KR890010210A KR900001960A KR 900001960 A KR900001960 A KR 900001960A KR 1019890010210 A KR1019890010210 A KR 1019890010210A KR 890010210 A KR890010210 A KR 890010210A KR 900001960 A KR900001960 A KR 900001960A
Authority
KR
South Korea
Prior art keywords
engine
crank angle
cylinder
misfire
fuel injection
Prior art date
Application number
KR1019890010210A
Other languages
Korean (ko)
Inventor
마사노부 우찌나미
도시히사 다까하시
Original Assignee
시끼 모리야
미쯔비시 덴끼 가부시끼 가이샤
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 시끼 모리야, 미쯔비시 덴끼 가부시끼 가이샤 filed Critical 시끼 모리야
Publication of KR900001960A publication Critical patent/KR900001960A/en
Priority to KR1019920019877A priority Critical patent/KR930002079B1/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

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)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

내용 없음No content

Description

연료 제어 장치Fuel control device

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

제 1 도는 본 발명의 한 실시예에 의한 연료 제어 장치의 블럭도.1 is a block diagram of a fuel control device according to an embodiment of the present invention.

제 2a도 및 제 2b 도는 각각 제 1 도의 실시예에 있어서의 제어 회로의 구성을 도시하는 블럭도.2A and 2B are block diagrams showing the configuration of the control circuit in the embodiment of FIG. 1, respectively.

제 3도는 제 2a 도 및 제 2b 도의 제어 회로 내부에 설치된 전력 증폭부 및 전력 증폭부 정지 회로의 회로도.3 is a circuit diagram of a power amplifier and a power amplifier stop circuit provided inside the control circuit of FIGS. 2A and 2B.

Claims (2)

엔진의 크랭크각을 검출하는 크랭크각 감지기와 이 크랭크각 감자기의 임의의 소정 크랭크각 간의 주기로 상기 엔진의 회전수 상당의 정보를 연산하고, 이 회전수 상당의 정보의 변화량 또는 변화율로 상기 엔진의 실화 상태를 검출하는 실화 검출수단과 이 실화 검출수단에 의한 상기 엔진의 실화 검출시에 상기 엔진으로의 연료 공급을 정지하는 제어 회로를 구비한 것을 특징으로 하는 연료 제어 장치.The information corresponding to the rotational speed of the engine is calculated at a cycle between the crank angle detector for detecting the crank angle of the engine and any predetermined crank angle of the crank angle potato machine, and the change amount or the rate of change of the information corresponding to the rotational speed of the engine And a control circuit for stopping fuel supply to the engine upon detection of misfire of the engine by the misfire detection means. 다기통 내연기관의 실린더 마다의 설치된 적어도 2개 이상의 전자식 연료 분사 밸브를 동시에 구동, 밸브 열림해서 연료를 공급하는 전력 증폭부, 상기 내연 기관의 실화 기통을 검출하고 이 검출 능력에 따라서 상기 실화 기통의 상기 전자식 연료 분사 밸브만의 구동, 밸브 열림을 정지시키기 위해서 이 실화 기통에 대응하는 상기 전력 증폭부의 작동을 정지 제어하는 전력 증폭 정지회로를 구비한 것을 특징으로 하는 연료 제어 장치.A power amplification unit which simultaneously drives and opens at least two or more electronic fuel injection valves provided for each cylinder of the multi-cylinder internal combustion engine, supplies fuel by opening the valve, and detects the misfired cylinder of the internal combustion engine. And a power amplification stop circuit for stopping and controlling the operation of the electric fuel injection valve corresponding to this misfire cylinder in order to stop driving of the electronic fuel injection valve only and opening of the valve. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010210A 1988-07-20 1989-07-19 Fuel control device KR900001960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920019877A KR930002079B1 (en) 1988-07-20 1992-10-28 Fuel control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-181118 1988-07-20
JP63181118A JPH0230954A (en) 1988-07-20 1988-07-20 Fuel control device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1019920019877A Division KR930002079B1 (en) 1988-07-20 1992-10-28 Fuel control device

Publications (1)

Publication Number Publication Date
KR900001960A true KR900001960A (en) 1990-02-27

Family

ID=16095166

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890010210A KR900001960A (en) 1988-07-20 1989-07-19 Fuel control device

Country Status (2)

Country Link
JP (1) JPH0230954A (en)
KR (1) KR900001960A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2622618B2 (en) * 1990-08-28 1997-06-18 株式会社ユニシアジェックス Misfire diagnosis device for two-stroke internal combustion engine
US5263453A (en) * 1990-11-01 1993-11-23 Nippondenso Co., Ltd. Apparatus for detecting misfire in internal combustion engines for vehicles
JP2679468B2 (en) * 1991-07-04 1997-11-19 トヨタ自動車株式会社 Misfire detection device for internal combustion engine
JP2636565B2 (en) * 1991-07-12 1997-07-30 トヨタ自動車株式会社 Anomaly detection device
JP3133150B2 (en) * 1992-06-09 2001-02-05 三菱自動車工業株式会社 Misfire detection method due to crankshaft rotation fluctuation
EP0609451B1 (en) * 1992-06-09 1997-09-10 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Method of detecting misfire by utilizing variation of rotation of crankshaft
US5587909A (en) 1992-06-16 1996-12-24 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Misfire detecting method
DE4480111T1 (en) * 1993-12-21 1996-02-22 Mitsubishi Motors Corp Combustion state determination method in an internal combustion engine and combustion state control method and combustion state control system for an internal combustion engine

Also Published As

Publication number Publication date
JPH0230954A (en) 1990-02-01

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application
WICV Withdrawal of application forming a basis of a converted application