KR970062290A - Control method and device of internal combustion engine - Google Patents

Control method and device of internal combustion engine Download PDF

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Publication number
KR970062290A
KR970062290A KR1019970003734A KR19970003734A KR970062290A KR 970062290 A KR970062290 A KR 970062290A KR 1019970003734 A KR1019970003734 A KR 1019970003734A KR 19970003734 A KR19970003734 A KR 19970003734A KR 970062290 A KR970062290 A KR 970062290A
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KR
South Korea
Prior art keywords
internal combustion
combustion engine
pressure
control method
high pressure
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KR1019970003734A
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Korean (ko)
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KR100580888B1 (en
Inventor
헤르만 베른트
쾰레 울리히
란돌 헬무트
Original Assignee
랄프 홀거 베렌스; 게오르그 뮐러
로베르트 보쉬 게엠베하
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Publication of KR970062290A publication Critical patent/KR970062290A/en
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Publication of KR100580888B1 publication Critical patent/KR100580888B1/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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3863—Controlling the fuel pressure by controlling the flow out of the common rail, e.g. using pressure relief valves
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • 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
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0205—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively for cutting-out pumps or injectors in case of abnormal operation of the engine or the injection apparatus, e.g. over-speed, break-down of fuel pumps or injectors ; for cutting-out pumps for stopping the engine
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/224—Diagnosis of the fuel system
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D2041/224—Diagnosis of the fuel system
    • F02D2041/225—Leakage detection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0602—Fuel pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/31—Control of the fuel pressure
    • 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
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Testing Of Engines (AREA)

Abstract

내연기관의 제어방법 및 장치를, 장애가 생긴 경우, 내연기관을 신속하게 차단할 수 있도록 하는 것이다. 고압연료 분사장치를 가지는 내연기관, 특히, 공통 레일 시스템을 가지는 내연기관의 제어방법 및 장치로서, 연료는, 1개 이상의 펌프에 의해서, 저압영역에서 고압영역에 이송되며, 고압영역에서, 압력이 검출되어, 압력 조정수단을 사용하여 조정되며, 장해가 검출된 경우, 압력조정수단은, 고압영역내의 압력이 저하하도록 제어할 수 있다.The control method and apparatus of the internal combustion engine are to enable the internal combustion engine to be shut off quickly in the event of a failure. A method and apparatus for controlling an internal combustion engine having a high pressure fuel injection device, in particular an internal combustion engine having a common rail system, wherein the fuel is transferred from the low pressure region to the high pressure region by one or more pumps, the pressure being increased in the high pressure region. It is detected and adjusted using the pressure adjusting means, and when an obstacle is detected, the pressure adjusting means can control the pressure in the high pressure region to decrease.

Description

내연기관의 제어방법 및 장치Control method and device of internal combustion engine

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

제1도는 본 발명의 장치의 블럭도.1 is a block diagram of an apparatus of the present invention.

Claims (8)

고압연료 분사장치를 가지는 내연기관, 특히, 공통 레일 시스템을 가지는 내연기관의 제어방법으로서, 연료는, 1개 이상의 펌프에 의해서, 저압영역에서 고압영역으로 이송되며, 해당 고압영역에서, 상기 내연기관의 인젝터를 사용하여 조량할 수 있으며, 상기 고압영역내의 압력은, 압력센서에서 검출할 수 있고, 압력조정 수단을 사용하여 조정할 수 있는 제어방법에 있어서, 장해가 검출된 경우, 압력조정수단은, 고압영역내의 압력이, 연료 분사가 행해지지 않는 값으로 저하하도록 제어할 수 있는 것을 특징으로 하는 내연기관의 제어방법.A control method of an internal combustion engine having a high pressure fuel injection device, in particular an internal combustion engine having a common rail system, wherein fuel is transferred from a low pressure region to a high pressure region by one or more pumps, and in the high pressure region, the internal combustion engine In the control method which can be adjusted by using the injector of the pressure, the pressure in the high pressure region can be detected by the pressure sensor, and can be adjusted by using the pressure adjusting means. A control method for an internal combustion engine, characterized in that the pressure in the high pressure region can be controlled to decrease to a value at which fuel injection is not performed. 제1항에 있어서, 장해가 검출된 경우, 부가적으로, 각 인젝터는, 연료분사를 행하지 않도록 제어되는 것을 특징으로 하는 내연기관의 제어방법.The control method of an internal combustion engine according to claim 1, wherein when an obstacle is detected, additionally, each injector is controlled so as not to perform fuel injection. 제1항 또는 제2항에 있어서, 장해는, 특히 누설이 생기고 있을 때에 검출되는 것을 특징으로 하는 내연기관의 제어방법.The control method of an internal combustion engine according to claim 1 or 2, wherein an obstacle is detected especially when a leakage occurs. 제1항에 있어서, 소정의 작동상태에서, 압력조정수단의 기능동작에 대하여 검사하는 것을 특징으로 하는 내연기관의 제어방법.The control method of an internal combustion engine according to claim 1, wherein in a predetermined operating state, the functional operation of the pressure adjusting means is inspected. 제4항에 있어서, 엔진 브레이크 작동상태에서 검사가 행해지는 것을 특징으로 하는 내연기관의 제어방법.The control method of an internal combustion engine according to claim 4, wherein the inspection is performed in an engine brake operating state. 제4항 또는 제5항에 있어서, 검사를 위해, 압력조정수단은, 압력이 감소되도록 제어되는 것을 특징으로 하는 내연기관의 제어방법.6. The control method of an internal combustion engine according to claim 4 or 5, wherein, for inspection, the pressure adjusting means is controlled so that the pressure is reduced. 제4항에 있어서, 압력조정수단의 기능동작에 대하여, 압력이 소정치만 저하한 경우에 검출되는 것을 특징으로 하는 내연기관의 제어방법.The control method of an internal combustion engine according to claim 4, wherein the pressure is detected when the pressure decreases only a predetermined value with respect to the functional operation of the pressure adjusting means. 고압연료 분사장치를 가지는 내연기관, 특히, 공통 레일 시스템을 가지는 내연기관의 제어장치로서, 연료를, 적어도 저압영역에서 고압영역에 보내는 1개 이상의 펌프와, 상기 내연기관의 연료를 조량하는 인젝터와, 상기 고압 영역내의 상기 연료의 압력을 검출하는 압력센서와, 압력조정수단을 가지는 제어장치에 있어서, 장해가 검출된 경우, 연료 분사가 행해지지 않은 값에 고압영역내의 압력이 저하하도록 압력조정수단을 제어하는 수단이 마련되어 있는 것을 특징으로 하는 내연기관의 제어장치.An apparatus for controlling an internal combustion engine having a high pressure fuel injector, in particular an internal combustion engine having a common rail system, comprising: at least one pump for delivering fuel from the low pressure region to the high pressure region, an injector for tuning the fuel of the internal combustion engine; And a pressure sensor for detecting the pressure of the fuel in the high pressure region, and a control device having a pressure adjusting means, wherein in the case where a failure is detected, the pressure adjusting means lowers the pressure in the high pressure region to a value at which no fuel injection is performed. Means for controlling the control device of the internal combustion engine, characterized in that provided. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970003734A 1996-02-08 1997-02-06 Control method and device of internal combustion engine KR100580888B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19604552A DE19604552B4 (en) 1996-02-08 1996-02-08 Method and device for controlling an internal combustion engine
DE19604552.5 1996-02-08

Publications (2)

Publication Number Publication Date
KR970062290A true KR970062290A (en) 1997-09-12
KR100580888B1 KR100580888B1 (en) 2006-09-14

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JP (1) JP3939793B2 (en)
KR (1) KR100580888B1 (en)
DE (1) DE19604552B4 (en)
FR (1) FR2744765B1 (en)
IT (1) IT1290206B1 (en)

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Also Published As

Publication number Publication date
DE19604552B4 (en) 2007-10-31
FR2744765A1 (en) 1997-08-14
ITMI970155A1 (en) 1998-07-28
JP3939793B2 (en) 2007-07-04
KR100580888B1 (en) 2006-09-14
IT1290206B1 (en) 1998-10-22
FR2744765B1 (en) 1998-04-30
JPH09209813A (en) 1997-08-12
DE19604552A1 (en) 1997-08-14

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