KR880005349A - Fuel control method and apparatus for internal combustion engine - Google Patents

Fuel control method and apparatus for internal combustion engine Download PDF

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Publication number
KR880005349A
KR880005349A KR870010749A KR870010749A KR880005349A KR 880005349 A KR880005349 A KR 880005349A KR 870010749 A KR870010749 A KR 870010749A KR 870010749 A KR870010749 A KR 870010749A KR 880005349 A KR880005349 A KR 880005349A
Authority
KR
South Korea
Prior art keywords
controlling
amount
throttle valve
engine
fuel
Prior art date
Application number
KR870010749A
Other languages
Korean (ko)
Inventor
시게또 니이쓰마
미네오 가시와야
Original Assignee
미다 가쓰시게
가부시기가이샤 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 미다 가쓰시게, 가부시기가이샤 히다찌세이사꾸쇼 filed Critical 미다 가쓰시게
Publication of KR880005349A publication Critical patent/KR880005349A/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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2409—Addressing techniques specially adapted therefor
    • F02D41/2422—Selective use of one or more tables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D43/00—Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M3/00—Idling devices for carburettors
    • F02M3/06—Increasing idling speed
    • F02M3/07—Increasing idling speed by positioning the throttle flap stop, or by changing the fuel flow cross-sectional area, by electrical, electromechanical or electropneumatic means, according to engine speed
    • F02M3/075—Increasing idling speed by positioning the throttle flap stop, or by changing the fuel flow cross-sectional area, by electrical, electromechanical or electropneumatic means, according to engine speed the valve altering the fuel conduit cross-section being a slidable valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/30—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
    • F02M69/32—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines with an air by-pass around the air throttle valve or with an auxiliary air passage, e.g. with a variably controlled valve therein

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  • 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 연료제어 방법 및 장치Fuel control method and apparatus for internal combustion engine

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

제1도는 본 발명의 일실시예의 연료제어장치를 사용한 엔진 제어시스템도.1 is an engine control system diagram using a fuel control apparatus of an embodiment of the present invention.

제2도는 제어내용을 나타낸 플로우챠트.2 is a flowchart showing control contents.

제3도, 제4도는 본 발명의 기능블럭도이다.3 and 4 are functional block diagrams of the present invention.

Claims (2)

엔진에 공급하는 연료량을 엔진 회전수 신호와 흡입공기량을 제어하는 드로틀밸브의 드로틀밸브 개방도 신호에 의하여 제어함과 동시에 드로틀밸브를 바이패스하는 공기량을 제어하여 아이들 회전수를 제어하는 것에 있어서, 엔진의 아이들 운전시에는 바이패스 공기량에 따라 공급연료량을 보정제어하는 것을 특징으로 하는 내연기관의 연료 제어방법.In controlling the idle speed by controlling the amount of fuel supplied to the engine by the engine speed signal and the throttle valve opening degree signal of the throttle valve for controlling the intake air amount, and controlling the amount of air bypassing the throttle valve. The fuel control method of the internal combustion engine, characterized in that for adjusting the supply fuel amount in accordance with the bypass air amount during idle operation. 엔진에 공급하는 연료량을 엔진회전수신호와 흡입 공기량을 제어하는 드로틀밸브의 드로틀밸브 개방도 신호로 부터 구하는 연산수단과, 엔진의 아이들 운전상태를 검출하는 판정수단과, 아이들 운전시에는 드로틀밸브를 바이패스하는 공기량을 제어하여 아이들 회전수를 제어하는 아이들 회전수 제어장치를 구비한 것에 있어서, 상기 연산 수단이 상기 아이들 판정수단에 의하여 아이들 운전상태라고 판정되었을때 상기 연료량을 상기 아이들 회전수 제어수단의 제어신호에 따라 보정하는 보정수단을 설치한 것을 특징으로 하는 내연기관의 연료제어장치.The calculation means for obtaining the fuel amount supplied to the engine from the engine speed signal and the throttle valve opening degree signal of the throttle valve for controlling the intake air amount, the determination means for detecting the idle state of the engine, and the throttle valve during idle operation. An idle rotation speed control device for controlling an idle rotation speed by controlling an amount of air to pass, wherein the fuel amount is determined by the idle determination means. A fuel control device for an internal combustion engine, characterized by providing a correction means for correcting according to a control signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR870010749A 1986-10-08 1987-09-28 Fuel control method and apparatus for internal combustion engine KR880005349A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP237954 1986-10-08
JP61237954A JPS6394039A (en) 1986-10-08 1986-10-08 Method of controlling fuel for internal combustion engine and device therefor

Publications (1)

Publication Number Publication Date
KR880005349A true KR880005349A (en) 1988-06-28

Family

ID=17022927

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870010749A KR880005349A (en) 1986-10-08 1987-09-28 Fuel control method and apparatus for internal combustion engine

Country Status (5)

Country Link
JP (1) JPS6394039A (en)
KR (1) KR880005349A (en)
DE (1) DE3734065A1 (en)
FR (1) FR2605048A1 (en)
GB (1) GB2197091A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4903660A (en) * 1987-11-19 1990-02-27 Fuji Jukogyo Kabushiki Kaisha Fuel injection control system for an automotive engine
JPH02227532A (en) * 1989-02-28 1990-09-10 Fuji Heavy Ind Ltd Fuel injection control device
JP3378640B2 (en) * 1994-03-09 2003-02-17 富士重工業株式会社 Idling control method
JPH08114142A (en) * 1994-10-17 1996-05-07 Fuji Heavy Ind Ltd Idle control method for engine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688750A (en) * 1970-04-30 1972-09-05 Physics Int Co Mass flow metered fuel injection system
DE2749369C2 (en) * 1977-11-04 1985-06-13 Robert Bosch Gmbh, 7000 Stuttgart Control system for an actuator in the additional air supply bypass duct of a throttle valve in internal combustion engines
JPS57126534A (en) * 1981-01-29 1982-08-06 Nippon Denso Co Ltd Engine r.p.m. controlling method
DE3120667A1 (en) * 1981-05-23 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart CONTROL SYSTEM FOR A FOREIGN IGNITION ENGINE
JPS5970853A (en) * 1982-10-18 1984-04-21 Hitachi Ltd Controller for car engine
US4513713A (en) * 1983-09-06 1985-04-30 Honda Giken Kogyo Kabushiki Kaisha Method of controlling operating amounts of operation control means for an internal combustion engine
JPS6088839A (en) * 1983-10-20 1985-05-18 Honda Motor Co Ltd Method of controlling operation characteristic quantity for operation control means of internal-combustion engine
JPS6128733A (en) * 1984-07-18 1986-02-08 Nippon Soken Inc Method of controlling number of idle revolutions of engine

Also Published As

Publication number Publication date
GB2197091A (en) 1988-05-11
GB8723567D0 (en) 1987-11-11
DE3734065A1 (en) 1988-04-21
JPS6394039A (en) 1988-04-25
FR2605048A1 (en) 1988-04-15

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WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid