KR960041686A - Fuel supply system for supplying fuel to internal combustion engine and method of operating internal combustion engine - Google Patents

Fuel supply system for supplying fuel to internal combustion engine and method of operating internal combustion engine Download PDF

Info

Publication number
KR960041686A
KR960041686A KR1019960018102A KR19960018102A KR960041686A KR 960041686 A KR960041686 A KR 960041686A KR 1019960018102 A KR1019960018102 A KR 1019960018102A KR 19960018102 A KR19960018102 A KR 19960018102A KR 960041686 A KR960041686 A KR 960041686A
Authority
KR
South Korea
Prior art keywords
fuel
pressure
valve
combustion engine
internal combustion
Prior art date
Application number
KR1019960018102A
Other languages
Korean (ko)
Other versions
KR100450915B1 (en
Inventor
렘볼트 헴무트
다이히셀 한스
스튜짼버거 하인쯔
뮐러 우베
Original Assignee
랄프 홀거 베렌스 · 만프레드 크네취
로베르트 보쉬 게엠베하
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 랄프 홀거 베렌스 · 만프레드 크네취, 로베르트 보쉬 게엠베하 filed Critical 랄프 홀거 베렌스 · 만프레드 크네취
Publication of KR960041686A publication Critical patent/KR960041686A/en
Application granted granted Critical
Publication of KR100450915B1 publication Critical patent/KR100450915B1/en

Links

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
    • F02D41/3082—Control of electrical fuel pumps
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • 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
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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
    • F02D2250/02—Fuel evaporation in fuel rails, e.g. in 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/25—Fuel-injection apparatus with heat-expansible 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/60—Fuel-injection apparatus having means for facilitating the starting of engines, e.g. with valves or fuel passages for keeping residual pressure in common rails
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/007—Venting means

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)

Abstract

내연기관의 연료공급을 위한 공급장치에 있어서, 방출 압력장치(33,33')가 설치되어 있고, 상기 방출 압력 장치를 거쳐 압력도관(14)내의 연료의 압력이 내연기관의 운전 조건에 관련하여 저하되어지도록 되어 있다. 압력도관내의 연료의 압력이 내연기관의 순간의 운전조건에 따라 강화되어진다.In a supply device for supplying fuel to an internal combustion engine, discharge pressure devices 33 and 33 'are provided, and the pressure of the fuel in the pressure conduit 14 via the discharge pressure device is related to the operating conditions of the internal combustion engine. It is supposed to be lowered. The pressure of the fuel in the pressure conduit is enhanced in accordance with the operating conditions of the internal combustion engine at the moment.

Description

내연기관에 연료공급을 위한 연료공급장치 및 내연기관을 운전하는 방법Fuel supply system for supplying fuel to internal combustion engine and method of operating internal combustion engine

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

제1도는 본 발명에 따른 연료공급장치의 유리한 실시예의 회로도, 제2도는 본 발명에 따른 연료공급장치의 유리한 다른 실시예의 회로도, 제3도는 본 발명에 따른 연료공급장치의 유리한 실시예의 부분 회로도, 제4도는 본 발명에 따른 연료공급장치의 유리한 실시예의 부분 회로도, 제5도는 본 발명에 따른 연료공급장치의 유리한 실시예의 회로도.1 is a circuit diagram of an advantageous embodiment of a fuel supply device according to the invention, FIG. 2 is a circuit diagram of another advantageous embodiment of a fuel supply device according to the invention, and FIG. 3 is a partial circuit diagram of an advantageous embodiment of a fuel supply device according to the invention. 4 is a partial circuit diagram of an advantageous embodiment of a fuel supply device according to the invention, and FIG. 5 is a circuit diagram of an advantageous embodiment of a fuel supply device according to the invention.

Claims (21)

내연기관의 연료 공급을 위한 연료 공급장치에 있어서, 연료 저장 탱크, 제1연료 펌프(6), 제2연료 펌프(12), 및 적어도 1개의 연료 밸브(6)를 갖고 있고, 제1연료 펌프(6)가 연료를 연료 저장 탱크로부터 연료 접속통로내로 송출되도록 되어 있고, 제2연료 펌프(12)가 연료 접속 통로로부터 압력도관을 거쳐 연료를 연료 밸브로 송출되도록 되어 있으며, 연료 밸브를 거쳐 연료가 적어도 시간적으로 내연기관의 연소실내에 도달되도록 되어 있는 형식으로, 방출 압력 장치(33,33a,33b,33')가 설치되어 있고, 상기 방출 압력 장치를 거쳐 압력도관(14)내의 연로의 압력이 내연기관의 운전조건에 관련하여 저하되어지도록 되어 있는 것을 특징으로 하는 연료 공급 장치.A fuel supply device for supplying fuel to an internal combustion engine, comprising: a fuel storage tank, a first fuel pump 6, a second fuel pump 12, and at least one fuel valve 6, the first fuel pump (6) is configured to deliver the fuel from the fuel storage tank into the fuel connection passage, and the second fuel pump (12) is configured to deliver the fuel from the fuel connection passage to the fuel valve through the pressure conduit and through the fuel valve. In such a manner that at least a time is reached in the combustion chamber of the internal combustion engine, the discharge pressure devices 33, 33a, 33b, 33 'are provided, and the pressure of the fuel in the pressure conduit 14 is passed through the discharge pressure device. A fuel supply apparatus characterized by deterioration in relation to the operating conditions of the internal combustion engine. 제1항에 있어서, 방출 압력 장치(33,33a,33b)가 압력도관(14)으로부터 연료 접속 통로(10)를 거쳐 연료를 연로 저장 탱크(2)로 유도되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.Fuel supply according to claim 1, characterized in that the discharge pressure devices (33, 33a, 33b) are adapted to direct fuel from the pressure conduit (14) to the fuel storage tank (2) via the fuel connection passage (10). Device. 제1항에 있어서, 방출 압력 장치(33,33b)가 연료를 압력도관(14)으로부터 연소 접속부(10)로 유도되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.A fuel supply according to claim 1, characterized in that the discharge pressure device (33, 33b) is adapted to direct fuel from the pressure conduit (14) to the combustion connection (10). 제1항에 있어서, 연료가 압력도관(14)으로부터 방출압력장치(33')를 거쳐 연료접속부(10)를 거쳐 연료저장탱크(2)내로 유도되는 것을 특징으로 하는 연료 공급 장치.A fuel supply device according to claim 1, wherein the fuel is led from the pressure conduit (14) to the fuel storage tank (2) via the discharge pressure device (33 ') via the fuel connection (10). 제1항 내지 제4항중 어느 한 항에 있어서, 방출압력장치(33',33r)가 전기적으로 제어되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.The fuel supply apparatus according to any one of claims 1 to 4, wherein the discharge pressure devices (33 ', 33r) are electrically controlled. 제1항 내지 제4항중 어느 한 항에 있어서, 압력도관(14)내에 저장실(44)이 설치되어 있는 것을 특징으로 하는 연료 공급 장치.The fuel supply device according to any one of claims 1 to 4, wherein a storage chamber (44) is provided in the pressure conduit (14). 제1항 내지 제4항중 어느 한 항에 있어서, 연료 접속 통로(10)내의 공급 압력에 영향을 미치는 밸브장치(30,30c,30d)를 설치하고 있고, 상기 밸브 장치가 상기 공급 압력을 내연기관의 운전조건에 관련하여 변화되어지도록 되어 있는 것을 특징으로 하는 연료 공급 장치.The valve apparatus 30, 30c, 30d which affects the supply pressure in the fuel connection passage 10 is provided, The said valve apparatus supplies the said supply pressure to an internal combustion engine. A fuel supply device, characterized in that to be changed in relation to the operating conditions of. 제7항에 있어서, 밸브 장치(30,30c)가 운전 조건에 관련되어 공급압력을 변화시킨 목적으로 전기적으로 제어되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.8. A fuel supply device according to claim 7, wherein the valve device (30, 30c) is electrically controlled for the purpose of changing the supply pressure in relation to the operating conditions. 제7항에 있어서, 밸브 장치(30,30d)가 상기 밸브 장치(30,30d)를 통과하여 흐르는 연료의 흐름량에 관련된 유동 저항을 갖고 있는 것을 특징으로 하는 연료 공급 장치.8. A fuel supply device according to claim 7, wherein the valve device (30, 30d) has a flow resistance related to the flow rate of the fuel flowing through the valve device (30, 30d). 제7항에 있어서, 밸브장치(30,30c,30d)가 연료접속통로(10)로부터 연료저장탱크(2)에 통하는 연료도관(22)내에 설치되어 있는 것을 특징으로 하는 연료 공급 장치.8. A fuel supply device according to claim 7, wherein a valve device (30, 30c, 30d) is provided in the fuel conduit (22) from the fuel connection passage (10) to the fuel storage tank (2). 제10항에 있어서, 연료도관(22)내에 작용적으로 밸브장치(30,30c,30d)에 대해 직렬로 압력 제어 밸브(26)가 설치되어 있는 것을 특징으로 하는 연료 공급 장치.11. A fuel supply device according to claim 10, wherein a pressure control valve (26) is provided in series with the valve device (30, 30c, 30d) operatively in the fuel conduit (22). 제1항 내지 제4항중 어느 한 항에 있어서, 흐름장치(40,40')가 설치되어 있고, 흐름장치를 거쳐 제1연료 펌프(6)가 제2연료 펌프(12)에 의해 현저하게 방해되어지는 일 없이 압력도관(14)내로 송출을 행하도록 되어 있는 것을 특징으로 하는 연료 공급 장치.The flow device (40, 40 ') is provided, and the first fuel pump (6) is markedly obstructed by the second fuel pump (12) through the flow device. A fuel supply device, characterized in that the feeding is carried out into the pressure conduit (14) without being made. 제1항 내지 제4항중 어느 한 항에 있어서, 압력도관(14)의 경과 중에 연료 밸브(16)의 방향에서 제2연료펌프(12)의 방향으로의 연료의 흐름을 거의 방지하는 압력 유지 밸브(64) 및 제2연료 펌프(12)와 압력 유지밸브(64) 사이에서 분기되는 압력 전환 밸브(66)가 설치되어 있는 것을 특징으로 하는 연료 공급 장치.The pressure retention valve according to any one of claims 1 to 4, which substantially prevents the flow of fuel from the direction of the fuel valve 16 to the direction of the second fuel pump 12 during the passage of the pressure conduit 14. And a pressure switching valve (66) branched between the (64) and the second fuel pump (12) and the pressure holding valve (64). 제7항에 있어서, 밸브 장치(30)가 제어 신호에 의해 로크 가능한 압력 조절 장치(70)인 것을 특징으로 하는 연료 공급 장치.8. A fuel supply device according to claim 7, wherein the valve device (30) is a pressure regulating device (70) lockable by a control signal. 제1항 내지 제4항중 어느 한 항에 있어서, 압력도관(14)으로부터 연료 접속 통로(10)에 통하는 복기도관(52,52")이 설치되어 있는 것을 특징으로 하는 연료 공급 장치.The fuel supply device according to any one of claims 1 to 4, wherein a double air intake pipe (52, 52 ") is provided from the pressure conduit (14) to the fuel connection passage (10). 제1항 내지 제4항 중 어느 한 항에 있어서, 압력도관(14)으로부터 연료 저장탱크(2)에 통하는 복귀도관(52',52")이 설치되어져 있는 것을 특징으로 하는 연료 공급 장치.The fuel supply apparatus according to any one of claims 1 to 4, wherein return conduits (52 ', 52 ") are provided from the pressure conduit (14) to the fuel storage tank (2). 제15항 또는 제16항에 있어서, 연료 접속통로(10)에 통하는 복귀도관(52',52")내에 체크 밸브(94)가 설치되어 있고, 연료 저장탱크(2)에 통하는 복귀도관(52,52'")내에 트로틀(80,80a,80b,80d,80e)이 설치되어 있는 것을 특징으로 하는 연료 공급 장치.17. The return conduit (52) according to claim 15 or 16, wherein check valves (94) are provided in return conduits (52 ', 52 ") that communicate with the fuel connection passage (10), and communicate with the fuel storage tank (2). And 52 '") with a throttle (80, 80a, 80b, 80d, 80e) installed therein. 제17항에 있어서, 트로틀(80,80a)이 온도에 관련되어 제어되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.18. The fuel supply of claim 17, wherein the throttle (80, 80a) is adapted to be controlled in relation to temperature. 제17항 또는 제18항에 있어서, 트로틀(80,80e)이 압력에 관련되어 제어되도록 되어 있는 것을 특징으로 하는 연료 공급 장치.19. A fuel supply apparatus according to claim 17 or 18, wherein the throttle (80, 80e) is adapted to be controlled in relation to the pressure. 연료 공급을 위한 연료 공급 장치를 이용하여 내연기관을 운전하는 방법에 있어서, 연료 공급 장치가 연료 저장 탱크, 제1연료 펌프(6), 제2연료 펌프(12), 및 적어도 1개의 연료를 구비하고 있고, 이 경우, 제1연료 펌프(6)가 연로틀 연로 저장탱크로부터 연료 접속 통로내로 송출되며, 제2연료펌프(12)가 연료 접속통로로 부터 압력도관을 거쳐 연료를 연료 밸브를 향해 송출되며, 연료 밸브를 거쳐 연료가 적어도 간접적으로 내연기관의 연소실내에 도달하는 형식의 것에 있어서, 방출 압력 장치(33.33a,33b,33')를 설치하여 상기 방출 압력에 의해 압력도관(14)내의 연료의 압력을 내연기관의 운전 조건에 관련되어 강하되어지는 것을 특징으로 하는 내연기관 운전방법.A method of operating an internal combustion engine using a fuel supply device for fuel supply, wherein the fuel supply device includes a fuel storage tank, a first fuel pump 6, a second fuel pump 12, and at least one fuel. In this case, the first fuel pump 6 is discharged from the fuel-fuel storage tank into the fuel connection passage, and the second fuel pump 12 passes the pressure from the fuel connection passage through the pressure conduit to the fuel valve. The discharge conduit 14 is provided in such a way that the fuel is discharged and the fuel reaches at least indirectly through the fuel valve into the combustion chamber of the internal combustion engine. An internal combustion engine operating method, characterized in that the pressure of the fuel inside is lowered in relation to the operating conditions of the internal combustion engine. 제20항에 있어서, 방출 압력장치(33',33v)를 전기적으로 제어하는 것을 특징으로 하는 내연기관 운전방법.21. An internal combustion engine operating method according to claim 20, characterized in that the discharge pressure devices (33 ', 33v) are electrically controlled. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960018102A 1995-05-26 1996-05-23 A fuel supply device for supplying fuel to the internal combustion engine and a method of operating the internal combustion engine KR100450915B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19519300 1995-05-26
DE19519300.8 1995-05-26
DE19539883A DE19539883B4 (en) 1995-05-26 1995-10-26 Fuel supply system and method for operating an internal combustion engine
DE19539883.1 1995-10-26

Publications (2)

Publication Number Publication Date
KR960041686A true KR960041686A (en) 1996-12-19
KR100450915B1 KR100450915B1 (en) 2004-12-29

Family

ID=7762895

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960018102A KR100450915B1 (en) 1995-05-26 1996-05-23 A fuel supply device for supplying fuel to the internal combustion engine and a method of operating the internal combustion engine

Country Status (2)

Country Link
KR (1) KR100450915B1 (en)
DE (1) DE19539883B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160130416A (en) * 2014-02-28 2016-11-11 썰툴스 스폴카 자우나 피오트르 크리슈토프 항케 Fuel supply system for internal combustion engines

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19714488C1 (en) * 1997-04-08 1998-09-03 Siemens Ag Fuel injection system for IC engine, particularly diesel engine
DE19742180C2 (en) * 1997-09-24 1999-07-08 Siemens Ag Injection system for an internal combustion engine and method for regulating an injection system
DE19744094C2 (en) * 1997-10-06 1999-11-18 Siemens Ag Injection system for an internal combustion engine
DE19818421B4 (en) 1998-04-24 2017-04-06 Robert Bosch Gmbh Fuel supply system of an internal combustion engine
JP2000045906A (en) * 1998-07-29 2000-02-15 Mitsubishi Electric Corp High-pressure fuel pump system
DE19853823A1 (en) * 1998-11-21 2000-05-25 Bosch Gmbh Robert Method of operating internal combustion engine, especially for motor vehicle, involves controlling fuel pump delivery rate depending on input parameters via characteristic field
JP2000303933A (en) * 1999-04-20 2000-10-31 Mitsubishi Electric Corp High pressure fuel pump device
DE19927804A1 (en) * 1999-06-18 2000-12-28 Bosch Gmbh Robert Fuel supply system for internal combustion engine has relief device that is connected to pressure line and contains mechanically or hydraulically switchable artificial load
DE19933253B4 (en) * 1999-07-15 2006-01-19 Robert Bosch Gmbh Method for diagnosing a fuel supply system of an internal combustion engine, in particular for a motor vehicle
DE19949514C2 (en) * 1999-10-14 2001-10-18 Bosch Gmbh Robert Device for rapid pressure build-up in a motor vehicle device supplied with a pressure medium by a feed pump
DE19951132A1 (en) * 1999-10-23 2001-05-10 Bosch Gmbh Robert Method of releasing fuel pressure in a non-return fuel supply system
DE19954695A1 (en) * 1999-11-13 2001-05-23 Bosch Gmbh Robert Fuel injection system
DE10002365B4 (en) 2000-01-20 2005-12-01 Siemens Ag Injection system for fuel injection systems
DE10039773A1 (en) † 2000-08-16 2002-02-28 Bosch Gmbh Robert Fuel supply system
DE10061852A1 (en) * 2000-12-12 2002-06-27 Bosch Gmbh Robert Cooling fuel injection system involves switching on pilot pump after switching off engine if criterion fulfilled, and flushing high pressure region and switching off pilot pump if switch-off criterion is fulfilled
DE10061856A1 (en) * 2000-12-12 2002-06-27 Bosch Gmbh Robert Method, computer program and control and / or regulating device for operating an internal combustion engine and internal combustion engine
DE10108175C1 (en) * 2001-02-21 2002-07-25 Bosch Gmbh Robert High pressure fuel pump, for an internal combustion engine, has membrane of store controlling 2/2 path valve
DE10125982A1 (en) 2001-05-29 2002-12-12 Bosch Gmbh Robert Fuel system for an internal combustion engine, internal combustion engine, and method for operating an internal combustion engine
DE10236314B4 (en) * 2001-09-08 2005-06-16 Robert Bosch Gmbh Injection system for internal combustion engines with improved starting characteristics
DE10144800A1 (en) 2001-09-12 2003-04-03 Bosch Gmbh Robert Method, computer program, control and / or regulating device for operating an internal combustion engine, and fuel system for an internal combustion engine
DE10200829A1 (en) * 2002-01-11 2003-07-31 Bosch Gmbh Robert Method, computer program, control and / or regulating device for operating an internal combustion engine, and internal combustion engine
EP1521913B1 (en) * 2002-07-11 2009-09-09 Continental Automotive Asnieres France Device and process for controlling the flow rate of a direct injection fuel pump
DE10323874A1 (en) 2003-05-26 2004-12-30 Siemens Ag Method for operating an internal combustion engine, fuel system and a volume flow control valve
DE102006029633B4 (en) 2006-06-28 2019-05-09 Robert Bosch Gmbh Method for operating a fuel system of an internal combustion engine
FR2914959B1 (en) * 2007-04-13 2013-03-08 Siemens Automotive Hydraulics Sa IMPROVEMENT TO HIGH-PRESSURE FUEL SUPPLY DEVICES BY TRANSFER PUMP
DE102010043255A1 (en) * 2010-11-03 2012-05-03 Robert Bosch Gmbh Fuel injection system and method for filling and / or venting a fuel injection system
DE102012203258A1 (en) 2012-03-01 2013-09-05 Bayerische Motoren Werke Aktiengesellschaft Fuel system for combustion engine, has pressure relief vent provided as channel-like connecting channel in seal seat of pressure limiting valve, and is designed such that connecting channel is opened during closed pressure limit valve
DE102019219733A1 (en) * 2019-12-16 2021-06-17 Robert Bosch Gmbh Method for venting a fuel supply system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3777690D1 (en) * 1986-06-03 1992-04-30 Mitsubishi Electric Corp PRESSURE REGULATOR FOR FUEL.
DE3914939A1 (en) * 1989-05-06 1990-11-08 Bayerische Motoren Werke Ag Fuel injection system for IC engine - has pressure accumulator fitted in fuel supply pipe
US5598817A (en) * 1993-09-10 1997-02-04 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Fuel feeding system for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160130416A (en) * 2014-02-28 2016-11-11 썰툴스 스폴카 자우나 피오트르 크리슈토프 항케 Fuel supply system for internal combustion engines

Also Published As

Publication number Publication date
KR100450915B1 (en) 2004-12-29
DE19539883B4 (en) 2011-06-01
DE19539883A1 (en) 1996-11-28

Similar Documents

Publication Publication Date Title
KR960041686A (en) Fuel supply system for supplying fuel to internal combustion engine and method of operating internal combustion engine
KR960041659A (en) Fuel supply system for supplying fuel to the internal combustion engine and method of operating the internal combustion engine
KR930002654A (en) Emulsion fuel engine
RU97100855A (en) AUXILIARY DEVICE FOR FUEL INPUT
SE509027C2 (en) Device for air and fuel supply at fuel injection engine
KR830008021A (en) Electronically controlled fuel injection device for spark-ignition internal combustion engines
JP2004517260A (en) Fuel injection system with regulated pressure in return conduit
KR920703993A (en) Treatment of Fuel Vapor Emissions
KR20040054881A (en) fuel feeding system for an LPI engine
ATE251715T1 (en) CONTROL AND SAFETY VALVE FOR FUEL SUPPLY SYSTEM
US5443046A (en) Efficiently pumped fuel supply system
KR960023745A (en) Fuel supply for internal combustion engines
SE0100369L (en) Method and apparatus for supplying fuel to a combustion chamber
KR960023746A (en) Fuel supply device
US5257608A (en) Device in a fuel system for an internal combustion engine
KR970048194A (en) Oil spray structure check valve tester
KR0136012B1 (en) Temperature control device of a gas vehicle
KR100206213B1 (en) Fuel supply unit without a fuel pump
KR970035520A (en) Fuel Cooling Unit in Fuel Tank
KR970035594A (en) Fuel supply device of automobile with gasoline and LPG
KR960017243A (en) Steam exhaust from delivery pipes for returnless human systems
KR960017242A (en) Steam exhaust from delivery pipes for returnless human systems
KR970026167A (en) Vehicle fuel supply
KR20030072467A (en) A fuel cut device of a vehicle
KR20000004510U (en) Single Point Injection LLP Engine

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120913

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee