DE29502829U1 - Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen - Google Patents

Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Info

Publication number
DE29502829U1
DE29502829U1 DE29502829U DE29502829U DE29502829U1 DE 29502829 U1 DE29502829 U1 DE 29502829U1 DE 29502829 U DE29502829 U DE 29502829U DE 29502829 U DE29502829 U DE 29502829U DE 29502829 U1 DE29502829 U1 DE 29502829U1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection device
combustion engines
engines
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE29502829U
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8004210&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE29502829(U1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE29502829U priority Critical patent/DE29502829U1/de
Priority to US08/722,084 priority patent/US5692476A/en
Priority to JP8525286A priority patent/JPH09512325A/ja
Priority to EP96901228A priority patent/EP0776421B1/de
Priority to PCT/DE1996/000161 priority patent/WO1996026362A1/de
Priority to DE59605356T priority patent/DE59605356D1/de
Priority to CN96190013A priority patent/CN1064743C/zh
Priority to KR1019960705668A priority patent/KR100413555B1/ko
Publication of DE29502829U1 publication Critical patent/DE29502829U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/02Fuel-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
    • F02M63/0225Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F02M63/0275Arrangement of common rails
    • F02M63/0285Arrangement of common rails having more than one common rail
    • F02M63/0295Arrangement of common rails having more than one common rail for V- or star- or boxer-engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M55/00Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025Common rails
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/0003Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/02Fuel-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
    • F02M63/0205Fuel-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00Other 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
    • F02M63/02Fuel-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
    • F02M63/0205Fuel-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
    • F02M63/0215Fuel-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 by draining or closing fuel conduits
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7837Direct response valves [i.e., check valve type]
    • Y10T137/7869Biased open
DE29502829U 1995-02-21 1995-02-21 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen Expired - Lifetime DE29502829U1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE29502829U DE29502829U1 (de) 1995-02-21 1995-02-21 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
KR1019960705668A KR100413555B1 (ko) 1995-02-21 1996-02-02 내연기관용 연료분사장치
PCT/DE1996/000161 WO1996026362A1 (de) 1995-02-21 1996-02-02 Kraftstoffeinspritzeinrichtung für brennkraftmaschinen
JP8525286A JPH09512325A (ja) 1995-02-21 1996-02-02 内燃機関のための燃料噴射装置
EP96901228A EP0776421B1 (de) 1995-02-21 1996-02-02 Kraftstoffeinspritzeinrichtung für brennkraftmaschinen
US08/722,084 US5692476A (en) 1995-02-21 1996-02-02 Fuel injection device for internal combustion engines
DE59605356T DE59605356D1 (de) 1995-02-21 1996-02-02 Kraftstoffeinspritzeinrichtung für brennkraftmaschinen
CN96190013A CN1064743C (zh) 1995-02-21 1996-02-02 内燃机喷油装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29502829U DE29502829U1 (de) 1995-02-21 1995-02-21 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
DE29502829U1 true DE29502829U1 (de) 1996-06-20

Family

ID=8004210

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29502829U Expired - Lifetime DE29502829U1 (de) 1995-02-21 1995-02-21 Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
DE59605356T Revoked DE59605356D1 (de) 1995-02-21 1996-02-02 Kraftstoffeinspritzeinrichtung für brennkraftmaschinen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59605356T Revoked DE59605356D1 (de) 1995-02-21 1996-02-02 Kraftstoffeinspritzeinrichtung für brennkraftmaschinen

Country Status (7)

Country Link
US (1) US5692476A (de)
EP (1) EP0776421B1 (de)
JP (1) JPH09512325A (de)
KR (1) KR100413555B1 (de)
CN (1) CN1064743C (de)
DE (2) DE29502829U1 (de)
WO (1) WO1996026362A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19754132A1 (de) * 1997-12-05 1999-06-10 Man Nutzfahrzeuge Ag Common Rail Einspritzsystem für Brennkraftmaschinen
DE10104634A1 (de) * 2001-02-02 2002-09-19 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen mit verbesserter Druckversorgung der Injektoren
DE10103195B4 (de) * 2000-01-25 2006-06-29 Usui Kokusai Sangyo Kaisha Ltd., Nagasawa Gemeinsame Leitung
KR101231701B1 (ko) * 2005-08-02 2013-02-08 로렌지 게엠베하 내연 기관용 연료 분사 시스템
DE102007055750B4 (de) * 2006-12-27 2021-02-11 Denso Corporation Durchflussdämpfer

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640085C2 (de) * 1996-09-28 2001-10-25 Orange Gmbh Sperrventil zur Durchflußmengenbegrenzung
DE19651671C2 (de) * 1996-12-12 2001-10-04 Daimler Chrysler Ag Steuerung einer Einspritzanlage für eine mehrzylindrige Brennkraftmaschine
US5957197A (en) * 1997-04-10 1999-09-28 Liaohe Petroleum Exploration Bureau Of Xinglongtai Downhole cut-off valve used for cementing
JP4070042B2 (ja) * 1998-01-20 2008-04-02 三菱電機株式会社 筒内噴射用燃料噴射弁の製造方法およびそれに用いられる燃料噴射量調整装置
DE19822671A1 (de) * 1998-05-20 1999-11-25 Bosch Gmbh Robert Druckbegrenzungsventil
JP2000018119A (ja) * 1998-06-30 2000-01-18 Isuzu Motors Ltd 燃料噴射装置
JP3521811B2 (ja) 1999-08-05 2004-04-26 株式会社デンソー 内燃機関の安全装置
ATE421040T1 (de) * 2002-07-01 2009-01-15 Mitsubishi Heavy Ind Ltd Kraftstoffeinspritzventil und dieselmotor damit
FR2845129B1 (fr) * 2002-09-30 2006-04-28 Delphi Tech Inc Insert du type diode fluidique pour attenuer des ondes de pression, et rail commun equipe de tels inserts
JP2004137977A (ja) * 2002-10-18 2004-05-13 Usui Kokusai Sangyo Kaisha Ltd 燃料配管系の脈動低減システム
JP2004169554A (ja) * 2002-11-15 2004-06-17 Denso Corp 蓄圧式燃料噴射装置
FI117643B (fi) * 2003-01-15 2006-12-29 Waertsilae Finland Oy Järjestely polttoaineen syöttölaitteistossa
US6953026B2 (en) * 2003-10-16 2005-10-11 Visteon Global Technologies, Inc. Pressure regulating valve for automotive fuel system
DE102005012165B4 (de) * 2005-03-17 2007-02-08 L'orange Gmbh Kraftstoffspeicher eines Kraftstoffeinspritzsystems für mehrzylindrige Brennkraftmaschinen und Mengenbegrenzungsventil für einen solchen
JP4442567B2 (ja) * 2006-01-20 2010-03-31 株式会社デンソー コモンレール
JP4737079B2 (ja) * 2006-12-27 2011-07-27 株式会社デンソー コモンレール式燃料噴射装置
ATE530761T1 (de) * 2007-09-13 2011-11-15 Ganser Hydromag Brennstoffeinspritzvorrichtung
US7628140B2 (en) * 2007-09-27 2009-12-08 Caterpillar Inc. High-pressure pump or injector plug or guide with decoupled sealing land
US7658179B2 (en) * 2008-05-28 2010-02-09 Caterpillar Inc. Fluid leak limiter
US7661410B1 (en) * 2008-08-18 2010-02-16 Caterpillar Inc. Fluid leak limiter
DE102009014072B4 (de) * 2009-03-20 2014-09-25 Continental Automotive Gmbh Common-Rail-Einspritzsystem sowie Verfahren zur Druckentlastung eines Common-Rail-Einspritzsystems
CN101793200B (zh) * 2010-03-10 2013-04-24 王旭光 焦炉气与柴油混燃柴油限流阀
AT509332B1 (de) * 2010-06-22 2011-08-15 Bosch Gmbh Robert Druckrohrstutzen
GB2482875B (en) * 2010-08-17 2015-11-25 Gm Global Tech Operations Inc Identifying a failure of a fuel injection system based on oxygen levels in the exhaust
DE202011109211U1 (de) * 2011-07-26 2012-01-27 Horst Thiele Maschinenbau-Hydraulische Geräte GmbH Rohrbruchventileinrichtung
DE102012001926A1 (de) * 2012-02-02 2013-08-08 Benteler Automobiltechnik Gmbh Kraftstoffverteilerleiste
US20140041635A1 (en) * 2012-08-09 2014-02-13 GM Global Technology Operations LLC Fuel rail connector
US20160348669A1 (en) * 2015-06-01 2016-12-01 Caterpillar Inc. Method and system for flow rate control of hydraulic pump
DE102015219892A1 (de) * 2015-10-14 2017-01-19 Continental Automotive Gmbh Bauelement, insbesondere Kraftstoffhochdruckpumpe, für ein Kraftstoffeinspritzsystem
US11346313B2 (en) * 2020-09-03 2022-05-31 Caterpillar Inc. Fuel flow limiter assembly having integral fuel filter and fuel system using same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845785A (en) * 1971-04-26 1974-11-05 Dover Corp Spring biased safety valve
DE2419159C2 (de) * 1974-04-20 1986-06-05 Daimler-Benz Ag, 7000 Stuttgart Einspritzvorrichtung für eine Dieselbrennkraftmaschine
US4246876A (en) * 1979-01-19 1981-01-27 Stanadyne, Inc. Fuel injection system snubber valve assembly
DE2911447A1 (de) * 1979-03-23 1980-09-25 Daimler Benz Ag Den kraftstoffdurchfluss steuerndes steuerglied fuer einspritzvorrichtungen bei insbesondere luftverdichtenden brennkraftmaschinen
US4436111A (en) * 1981-07-21 1984-03-13 Harold Gold Hydraulic fuse valve
FR2558533B1 (fr) * 1984-01-23 1986-06-13 Renault Dispositif de securite pour soupape d'injection de moteur a combustion interne
US4539959A (en) * 1984-02-27 1985-09-10 General Motors Corporation Fuel injection system with fuel flow limiting valve assembly
US4842198A (en) * 1987-10-26 1989-06-27 Chang Shih Chih Device for damage protection against local flooding caused by sprinkler failure
US4830046A (en) * 1988-04-22 1989-05-16 Hose Specialties/Capri, Inc. Excess flow control valve
US5295469A (en) * 1990-07-09 1994-03-22 Nippondenso Co., Ltd. Safety valve for fuel injection apparatus
WO1992012341A1 (en) * 1991-01-14 1992-07-23 Nippondenso Co., Ltd. Pressure accumulation type fuel jetting device
DE4414242A1 (de) * 1994-04-23 1995-10-26 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19754132A1 (de) * 1997-12-05 1999-06-10 Man Nutzfahrzeuge Ag Common Rail Einspritzsystem für Brennkraftmaschinen
DE19754132B4 (de) * 1997-12-05 2005-06-23 Man Nutzfahrzeuge Ag Common Rail Einspritzsystem für Brennkraftmaschinen
DE10103195B4 (de) * 2000-01-25 2006-06-29 Usui Kokusai Sangyo Kaisha Ltd., Nagasawa Gemeinsame Leitung
DE10104634A1 (de) * 2001-02-02 2002-09-19 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen mit verbesserter Druckversorgung der Injektoren
KR101231701B1 (ko) * 2005-08-02 2013-02-08 로렌지 게엠베하 내연 기관용 연료 분사 시스템
DE102007055750B4 (de) * 2006-12-27 2021-02-11 Denso Corporation Durchflussdämpfer

Also Published As

Publication number Publication date
EP0776421A1 (de) 1997-06-04
CN1064743C (zh) 2001-04-18
DE59605356D1 (de) 2000-07-06
EP0776421B1 (de) 2000-05-31
KR100413555B1 (ko) 2004-04-03
KR970702430A (ko) 1997-05-13
WO1996026362A1 (de) 1996-08-29
JPH09512325A (ja) 1997-12-09
US5692476A (en) 1997-12-02
CN1145654A (zh) 1997-03-19

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Legal Events

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R207 Utility model specification

Effective date: 19960801

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 19980714

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20010713

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20030429

R071 Expiry of right