KR860000467A - Acceleration correction method of fuel injector - Google Patents

Acceleration correction method of fuel injector Download PDF

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Publication number
KR860000467A
KR860000467A KR1019850003838A KR850003838A KR860000467A KR 860000467 A KR860000467 A KR 860000467A KR 1019850003838 A KR1019850003838 A KR 1019850003838A KR 850003838 A KR850003838 A KR 850003838A KR 860000467 A KR860000467 A KR 860000467A
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KR
South Korea
Prior art keywords
fuel
acceleration
valve
intake air
fuel injection
Prior art date
Application number
KR1019850003838A
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Korean (ko)
Other versions
KR900000149B1 (en
Inventor
다께시(외 2) 아다고
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
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Publication of KR860000467A publication Critical patent/KR860000467A/en
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Publication of KR900000149B1 publication Critical patent/KR900000149B1/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
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • F02D41/10—Introducing corrections for particular operating conditions for acceleration
    • F02D41/105—Introducing corrections for particular operating conditions for acceleration using asynchronous injection
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Abstract

내용 없음No content

Description

연료 분사장치의 가속 보정방법Acceleration correction method of fuel injector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본원 발명을 실시하기 위한 엔진의 시스템도. 제2도는 제1도에 나타낸 입출력관계의 블록다이어그램도. 제3도는 엔진의 분사타이밍도. 제5도는 본원 발명의 가속보정법을 나타낸 플로우차아트 설명도.1 is a system diagram of an engine for practicing the present invention. 2 is a block diagram of input / output relations shown in FIG. 3 is the injection timing of the engine. 5 is a flowchart illustrating an acceleration correction method of the present invention.

*도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

(1):엔진, (3):연료분사밸브, (6):열선식 공기유량계, (12):콘트롤유니트, (14): 아이들스위치.(1): engine, (3): fuel injection valve, (6): heated air flow meter, (12): control unit, (14): idle switch.

Claims (8)

엔진의 흡입공기량, 회전수 및 온도를 포함하는 각종 작동 파라미터에 의거하여 미리 프로그램된 제어내용에 따라 연료분사밸브의 개밸브시간을 제어하며, 엔진의 흡입공기량을 열선식 공기유량계로 계측하고, 엔진의 흡입공기량을 제어하는 스로틀밸브의 폐상태를 검출하는 아이들 쓰위치의 신호를 입력하며, 또한 정상시에 기본연료량을 분사하는 상기 연료분사밸브 기본개밸브펄스와는 독립해서 연료증량용의 개밸브펄스를 발생하는 방법에 있어서, 상기 연료증량용 개밸브펄스폭을, 상기 기본 개밸브펄스폭과는 독립해서, 흡입공기량의 단위시간당의 변화량, 스로틀밸브의 폐신호, 내연기관의 회전수신호의 최소한 하나에 의존시킨 것을 특징으로 하는 연료분사장치의 가속보정방법.The opening valve time of the fuel injection valve is controlled according to the pre-programmed control contents based on various operating parameters including the engine's intake air amount, rotation speed and temperature, and the intake air amount of the engine is measured by a hot air flow meter. Opening valve for fuel increase independently of the fuel injection valve basic opening valve pulse which inputs the idle switch signal for detecting the closed state of the throttle valve for controlling the intake air amount In the method for generating a pulse, the open valve pulse width for fuel increase is independent of the basic open valve pulse width, and the minimum amount of the change amount per unit time of the intake air amount, the closed signal of the throttle valve, and the rotational speed signal of the internal combustion engine. Acceleration correction method for a fuel injection device characterized in that dependent on one. 연료증량용 개밸브펄스는 가속이 검출되면 발생하며, 그 타이밍으로 연료를 분사하는 것을 특징으로 하는 특허청구의 범위 1기재의 연료분사장치의 가속보정방법.An acceleration valve of the fuel injection device according to claim 1, wherein the fuel valve opening valve pulse is generated when acceleration is detected, and the fuel is injected at the timing. 가속의 검출은 아이들스위치의 폐신호 또는 엔진의 흡입공기량의 변화량에 의거하여 행하는 것을 특징으로 하는 특허청구의 범위 2기재의 연료분사장치의 가속보정방법.The acceleration correction method of the fuel injection device of the claim 2 characterized by the detection of acceleration based on the closed signal of an idle switch or the amount of change of the intake air amount of an engine. 연료증량용 개밸브펄스는 감속연료커트후는 완가속과 급가속에서는 다르게 하는 것을 특징으로 하는 특허청구범위 2기재의 연료분사장치의 가속보정방법.2. The method for accelerating and correcting a fuel injection device according to claim 2, wherein the opening valve pulse for increasing fuel is different from the slow acceleration and the rapid acceleration after the reduction fuel is cut. 완가속시에는 아이들스위치에 의한 가속검출에 의해 발생하는 연료 증량용 개밸브펄스와, 흡입공기량의 단위시간당의 변화량에 의한 가속검출에 의해 그대로 발생하는 연료증량용 개밸브펄스로 연료를 증량하는 것을 특징으로 하는 특허청구의 범위 4기재의 연료분사장치의 가속보정방법.At full acceleration, the fuel is increased by using the open valve pulse for fuel increase caused by the acceleration detection by the idle switch and the open valve pulse for fuel increase generated as is by the accelerated detection by the amount of change of intake air per unit time. An acceleration correction method for a fuel injection device according to claim 4, characterized in that the 급가속시에는 아이들스위치에 의한 가속검출에 의해 발생하는 연료 증량용 개밸브펄스와, 흡입공기량의 단위시간당의 변화량에 의한 가속검출에 의해 가속검출마다 발생하는 연료증량용 개밸브펄스로 연료를 증량하는 것을 특징으로 하는 특허청구의 범위 4기재의 연료분사장치의 가속보정방법.In the case of rapid acceleration, fuel is increased by the open valve pulse for fuel increase caused by the acceleration detection by the idle switch, and the open valve pulse for fuel increase generated for each acceleration detection by the acceleration detection by the change amount per unit time of the intake air amount. Acceleration correction method of the fuel injection device of claim 4, characterized in that. 정상시의 아이들스위치가 오프시에는 흡입공기량의 단위시간당의 변화량에 의한 가속검출에 의해 발생하는 연료증량용 개밸브펄스로 연료를 증량하는 것을 특징으로 하는 특허청구의 범위 2기재의 연료 분사장치의 가속보정방법.In the fuel injector according to claim 2, when the idle switch in the normal state is turned off, the fuel is increased by an open valve pulse for fuel increase caused by the acceleration detection by the change amount of the intake air per unit time. Acceleration correction method. 정상시의 아이들스위치가 온일 때에는 아이들스위치에 의한 가속검출에 의해 발생하는 연료증량용 개밸브펄스와, 흡입공기량의단위 시간당의 변화량에 의한 가속 검출에 의해 발생하는 연료증량용 개밸브펄스로 연료를 증량하는 것을 특징으로 하는 특허청구의 범위 2기재의 연료분사장치의 가속보정방법.When the idle switch is in a normal state, fuel is increased by the fuel valve opening valve pulse generated by the acceleration detection by the idle switch and the fuel valve opening valve pulse generated by the acceleration detection caused by the amount of change of the intake air per unit time. An acceleration correction method for a fuel injection device according to claim 2, wherein the fuel injection device is increased. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850003838A 1984-06-08 1985-06-01 Fuel injection control method for internal combustion engine KR900000149B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59116475A JPS60261947A (en) 1984-06-08 1984-06-08 Accelerative correction of fuel injector
JP84-116475 1984-06-08

Publications (2)

Publication Number Publication Date
KR860000467A true KR860000467A (en) 1986-01-29
KR900000149B1 KR900000149B1 (en) 1990-01-20

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ID=14688020

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850003838A KR900000149B1 (en) 1984-06-08 1985-06-01 Fuel injection control method for internal combustion engine

Country Status (4)

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EP (1) EP0164125B1 (en)
JP (1) JPS60261947A (en)
KR (1) KR900000149B1 (en)
DE (1) DE3565151D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611844A (en) * 1984-06-15 1986-01-07 Automob Antipollut & Saf Res Center Fuel injection device
JPS62182453A (en) * 1985-12-27 1987-08-10 Japan Electronic Control Syst Co Ltd Interruption increased fuel quantity controller in acceleration for electronically controlled fuel injection type internal combustion engine
JPS6361739A (en) * 1986-09-01 1988-03-17 Hitachi Ltd Fuel control device
DE4420956C2 (en) * 1994-06-16 1998-04-09 Bosch Gmbh Robert Control method for the fuel metering of an internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54108127A (en) * 1978-02-13 1979-08-24 Toyota Motor Corp Electronically-controlled fuel injector
US4424568A (en) * 1980-01-31 1984-01-03 Hitachi, Ltd. Method of controlling internal combustion engine
JPS56124637A (en) * 1980-03-07 1981-09-30 Hitachi Ltd Method of controlling acceleration of engine
JPH0610443B2 (en) * 1982-04-28 1994-02-09 株式会社日立製作所 Electronic fuel injection device
EP0104275B1 (en) * 1982-08-30 1987-05-20 Toyota Jidosha Kabushiki Kaisha Electronically controlled fuel injection apparatus
JPS5949336A (en) * 1982-09-14 1984-03-21 Japan Electronic Control Syst Co Ltd Electronically controlled fuel injector for internal- combustion engine
DE3376995D1 (en) * 1982-10-20 1988-07-14 Hitachi Ltd Control method for internal combustion engines

Also Published As

Publication number Publication date
JPS60261947A (en) 1985-12-25
KR900000149B1 (en) 1990-01-20
DE3565151D1 (en) 1988-10-27
EP0164125B1 (en) 1988-09-21
EP0164125A2 (en) 1985-12-11
EP0164125A3 (en) 1986-03-12

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