KR960023746A - Fuel supply device - Google Patents

Fuel supply device Download PDF

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Publication number
KR960023746A
KR960023746A KR1019950049540A KR19950049540A KR960023746A KR 960023746 A KR960023746 A KR 960023746A KR 1019950049540 A KR1019950049540 A KR 1019950049540A KR 19950049540 A KR19950049540 A KR 19950049540A KR 960023746 A KR960023746 A KR 960023746A
Authority
KR
South Korea
Prior art keywords
fuel
section
flow cross
fuel pump
supply apparatus
Prior art date
Application number
KR1019950049540A
Other languages
Korean (ko)
Inventor
렘볼트 헬무트
Original Assignee
랄프 흘거 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 흘거 베렌스 ·만프레드 크네취, 로베르트 보쉬 게엠베하 filed Critical 랄프 흘거 베렌스 ·만프레드 크네취
Publication of KR960023746A publication Critical patent/KR960023746A/en

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Classifications

    • 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
    • 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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/34—Varying fuel delivery in quantity or timing by throttling of passages to pumping elements or of overflow passages, e.g. throttling by means of a pressure-controlled sliding valve having liquid stop or abutment
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • 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
    • 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
    • F02M69/08—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel characterised by the fuel being carried by compressed air into main stream of combustion-air
    • 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
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel 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
    • F02B75/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

본 발명의 목적은 간단하게 현저한 압력 낭비 내지 제2연료 펌프의 압송량에 영향을 부여할 수 있는 연료 공급 장치를 제공하는 것이다.SUMMARY OF THE INVENTION An object of the present invention is to provide a fuel supply device which can simply exert a significant pressure loss or a pressure feeding amount of a second fuel pump.

이러한 해결 수단으로서 제1연료 펌프(6)와 제2연료 펌프(16)사이의 연료 접속로(10)에 제어가능한 흐름단면(55)을 구비한 교축 밸브(12)가 접속된다.As a solution to this, an throttling valve 12 having a controllable flow cross section 55 is connected to the fuel connection path 10 between the first fuel pump 6 and the second fuel pump 16.

Description

연료 공급 장치Fuel supply device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명에 따른 연료 공급 장치의 제1실시예의 회로도, 제2도는 교축 밸브를 구비한 밸브 블록의 단면도.FIG. 1 is a circuit diagram of a first embodiment of a fuel supply apparatus according to the present invention, and FIG. 2 is a sectional view of a valve block provided with an throttle valve.

Claims (13)

연료 저장 탱크와, 제1연료 펌프와, 제2연료 펌프와, 적어도 하나의 연료 노즐이 설치되고, 제1연료 펌프는 연료 저장 탱크로부터 연료 접속로를 거쳐 제2연료 펌프에 연료를 압송하고, 제2연료 펌프는 연료를 적어도 하나의 연료 노즐에 압송하고, 상기 연료 노즐을 거쳐 연로가 적어도 간접적으로 내연기관의 연소실에 유입되는 연료 공급 장치에 있어서, 제1연료 펌프(6)와 제2연료 펌프(16)의 사이의 연료 접속로(10)에 제어가능한 흐름단면(55)을 구비한 교축 밸브(12)가 접속되는 것을 특징으로 하는 연료 공급 장치.A first fuel pump, a first fuel pump, a second fuel pump, and at least one fuel nozzle, wherein the first fuel pump pumps fuel to the second fuel pump from the fuel storage tank through the fuel connection path, Wherein the second fuel pump comprises a first fuel pump (6) and a second fuel pump (6) that pressurizes the fuel to at least one fuel nozzle and at least indirectly flows into the combustion chamber of the internal combustion engine via the fuel nozzle, Characterized in that a throttling valve (12) having a controllable flow cross section (55) is connected to the fuel connection path (10) between the pumps (16). 제1항에 있어서, 제1연료 펌프(6)와 제2연료 펌프(16) 사이의 연료 접속로(10)에 급기부(14)가 개방되어 있는 것을 특징으로 하는 연료 공급 장치.The fuel supply apparatus according to claim 1, characterized in that the supply section (14) is opened to the fuel connection path (10) between the first fuel pump (6) and the second fuel pump (16). 제2항에 있어서, 상기 급기부(14)는 상기 제어가능한 흐름단면(55)과 제2연료 펌프(16) 사이에 연료 접속로(10)에 개방된 것을 특징으로 하는 연료 공급 장치.3. The fuel supply apparatus according to claim 2, characterized in that the supply portion (14) is opened to the fuel connection path (10) between the controllable flow cross section (55) and the second fuel pump (16). 제2항에 있어서, 상기 급기부(14)는 제어가능한 흐름단면(55)의 범위에서 연료 접속로(10)에 개방되는 것을 특징으로 하는 연료 공급 장치.3. The fuel supply apparatus according to claim 2, characterized in that the supply portion (14) is opened to the fuel connection path (10) in the range of the controllable flow cross section (55). 제2항 내지 제4항 중 어느 한 항에 있어서, 상기 급기부(14)에 의해 공급 되는 공기는 상기 급기부(14)내에서 디퓨저(50)를 통해 안내되는 것을 특징으로 하는 연료 공급 장치.5. The fuel supply apparatus according to any one of claims 2 to 4, wherein the air supplied by the supply portion (14) is guided through the diffuser (50) in the supply portion (14). 제5항에 있어서, 상기 디퓨저(50)는 연료 접속로(10)에의 상기 급기부(14)의 개구부(14a)의 범위에 설치되는 것을 특징으로 하는 연료 공급 장치.6. The fuel supply apparatus according to claim 5, wherein the diffuser (50) is installed in a range of the opening (14a) of the supply portion (14) to the fuel connection passage (10). 제2항 내지 제6항 중 어느 한 항에 있어서, 연료 접속부(10)의 경로에 와류형성장치(52)가 설치된 것을 특징으로 하는 연료 공급 장치.7. The fuel supply apparatus according to any one of claims 2 to 6, wherein a vortex forming device (52) is installed in the path of the fuel connection part (10). 제7항에 있어서, 상기 와류형성장치(52)는 상기 급기부(14)의 개부구(14a)의 바로 앞의 범위의 상류측에 설치된 것을 특징으로 하는 연료 공급 장치.The fuel supply apparatus according to claim 7, wherein the vortex forming device (52) is provided on an upstream side of a range immediately in front of the opening portion (14a) of the supply portion (14). 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 교축 밸브(12)에 설치된 제어가능한 와류횡단면(55)을 조절하기 위해 조작 장치(46)가 설치되며, 상기 조작장치(46)를 제어하므로써 제어가능한 흐름단면(55)이 개방방향으로 조절가능하게 한것을 특징으로 하는 연료 공급 장치.9. A device according to any one of the preceding claims, wherein an operating device (46) is provided for adjusting a controllable vortex cross-section (55) provided on the throttling valve (12) , The controllable flow cross section (55) being adjustable in the opening direction. 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 교축 밸브(12)에 설치된 제어가능한 흐름단면(55)을 조절하기 위해 조작 장치(46)가 설치되고, 상기 조작 장치(46)를 제어하므로써 제어가능한 흐름단면(55)이 폐쇄방향으로 조절가능한 것을 특징으로 하는 연료 공급 장치.The control device according to any one of claims 1 to 8, wherein an operating device (46) is provided for adjusting a controllable flow cross section (55) provided on the throttling valve (12) Whereby the controllable flow cross section (55) is adjustable in the closing direction. 제1항 내지 제10항 중 어느 한 항에 있어서, 상기 교축 밸브(12)에 의해 연료 접속로(10)가 완전하게 폐쇄가능한 것을 특징으로 하는 연료 공급 장치.11. The fuel supply apparatus according to any one of claims 1 to 10, characterized in that the fuel connection passage (10) is completely closed by the throttling valve (12). 제9항 또는 제10항에 있어서, 상기 조작 장치(46)의 제어 고장시에 연료를 위한 연료 접속로(10)를 통하는 비상 통류횡단면(62,64,66)이 설치된 것을 특징으로 하는 연료 공급 장치.11. A fuel supply system according to claim 9 or 10, characterized in that an emergency flow cross-section (62, 64, 66) is provided through the fuel connection path (10) for fuel at the time of a control failure of the operating device Device. 제1항 내지 제12항 중 어느 한 항에 있어서, 상기 제어가능한 흐름단면(55)이 제2연료 펌프(16)와 적어도 하나의 연료 노즐(20,20',20",20"')사이의 범위에 존재하는 압력에 관련하여 제어되는 것을 특징으로 하는연료 공급 장치.13. A method according to any one of the claims 1 to 12, characterized in that the controllable flow cross section (55) is between the second fuel pump (16) and the at least one fuel nozzle (20,20 ', 20 " Of the fuel supplied to the fuel supply device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019950049540A 1994-12-14 1995-12-14 Fuel supply device KR960023746A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4444417.6 1994-12-14
DE4444417A DE4444417B4 (en) 1994-12-14 1994-12-14 Fuel supply system

Publications (1)

Publication Number Publication Date
KR960023746A true KR960023746A (en) 1996-07-20

Family

ID=6535726

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950049540A KR960023746A (en) 1994-12-14 1995-12-14 Fuel supply device

Country Status (5)

Country Link
JP (1) JPH08218964A (en)
KR (1) KR960023746A (en)
DE (1) DE4444417B4 (en)
FR (1) FR2728309B1 (en)
GB (1) GB2296040B (en)

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Publication number Priority date Publication date Assignee Title
US5730367A (en) * 1996-07-26 1998-03-24 Siemens Automotive Corporation Fuel injector with air bubble/fuel dispersion prior to injection and methods of operation
DE19810867C2 (en) * 1998-03-13 2000-02-24 Bosch Gmbh Robert Fuel pump arrangement
DE19904341A1 (en) * 1999-02-03 2000-08-10 Mannesmann Rexroth Ag Control method for internal combustion engine fuel injection system involves controlling limiting pressure to be lower for lower vol. flows or pump revolution rates than for higher ones
DE10001882A1 (en) * 2000-01-19 2001-08-02 Bosch Gmbh Robert Method for operating a prefeed pump of a fuel metering system and fuel metering system of a direct-injection internal combustion engine
DE10247774B4 (en) * 2002-10-14 2005-09-29 Siemens Ag Flow control valve
JP2004316518A (en) * 2003-04-15 2004-11-11 Denso Corp High-pressure fuel feeder
DE10346211A1 (en) * 2003-05-22 2004-12-09 Robert Bosch Gmbh Check valve, in particular for a high-pressure pump of a fuel injection device for an internal combustion engine
DE102009047176A1 (en) * 2009-11-26 2011-06-01 Robert Bosch Gmbh Pump arrangement for a high-pressure injection system
DE102011088797A1 (en) 2011-12-16 2013-06-20 Robert Bosch Gmbh Fuel system
CN111003785A (en) * 2019-12-26 2020-04-14 舟山市润润环保能源科技有限公司 Oxygenation device

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DE2053140A1 (en) * 1970-10-29 1972-05-04 Robert Bosch Gmbh, 7000 Stuttgart Fuel delivery device for internal combustion engines
GB1583011A (en) * 1977-09-15 1981-01-21 Lucas Industries Ltd Fuel injection pumping apparatus
GB1594133A (en) * 1977-11-25 1981-07-30 Lucas Industries Ltd Liquid fuel pumping apparatus
US4377139A (en) * 1979-09-18 1983-03-22 Lucas Industries Limited Pumping systems
CH674243A5 (en) * 1987-07-08 1990-05-15 Dereco Dieselmotoren Forschung
EP0889233A3 (en) * 1993-05-06 2000-02-02 Cummins Engine Company, Inc. Compact high performance fuel system with accumulator
MX9403372A (en) * 1993-05-06 1995-01-31 Cummins Engine Co Inc HIGH PRESSURE VARIABLE DISPLACEMENT PUMP FOR COMMON FUEL INJECTION SYSTEMS.

Also Published As

Publication number Publication date
JPH08218964A (en) 1996-08-27
GB2296040B (en) 1997-01-15
FR2728309B1 (en) 1998-01-02
FR2728309A1 (en) 1996-06-21
DE4444417B4 (en) 2005-01-05
DE4444417A1 (en) 1996-06-20
GB9524445D0 (en) 1996-01-31
GB2296040A (en) 1996-06-19

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