DE502004012034D1 - Kraftstoffeinspritzanlage mit verringerten druckschwingungen im rücklaufrail - Google Patents

Kraftstoffeinspritzanlage mit verringerten druckschwingungen im rücklaufrail

Info

Publication number
DE502004012034D1
DE502004012034D1 DE502004012034T DE502004012034T DE502004012034D1 DE 502004012034 D1 DE502004012034 D1 DE 502004012034D1 DE 502004012034 T DE502004012034 T DE 502004012034T DE 502004012034 T DE502004012034 T DE 502004012034T DE 502004012034 D1 DE502004012034 D1 DE 502004012034D1
Authority
DE
Germany
Prior art keywords
pressure
fuel
injector
holding valve
injection system
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
DE502004012034T
Other languages
English (en)
Inventor
Patrick Mattes
Wolfgang Stoecklein
Holger Rapp
Hans Brekle
Markus Erhardt
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of DE502004012034D1 publication Critical patent/DE502004012034D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • F02M69/54—Arrangement of fuel pressure regulators
    • 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
    • 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
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M2200/04—Fuel-injection apparatus having means for avoiding effect of cavitation, e.g. erosion
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
DE502004012034T 2003-06-21 2004-04-27 Kraftstoffeinspritzanlage mit verringerten druckschwingungen im rücklaufrail Expired - Lifetime DE502004012034D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10328000A DE10328000A1 (de) 2003-06-21 2003-06-21 Kraftstoffeinspritzanlage mit verringerten Druckschwingungen im Rücklaufrail
PCT/DE2004/000881 WO2005001280A1 (de) 2003-06-21 2004-04-27 Kraftstoffeinspritzanlage mit verringerten druckschwingungen im rücklaufrail

Publications (1)

Publication Number Publication Date
DE502004012034D1 true DE502004012034D1 (de) 2011-02-03

Family

ID=33520775

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10328000A Withdrawn DE10328000A1 (de) 2003-06-21 2003-06-21 Kraftstoffeinspritzanlage mit verringerten Druckschwingungen im Rücklaufrail
DE502004012034T Expired - Lifetime DE502004012034D1 (de) 2003-06-21 2004-04-27 Kraftstoffeinspritzanlage mit verringerten druckschwingungen im rücklaufrail

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10328000A Withdrawn DE10328000A1 (de) 2003-06-21 2003-06-21 Kraftstoffeinspritzanlage mit verringerten Druckschwingungen im Rücklaufrail

Country Status (6)

Country Link
EP (1) EP1727978B1 (de)
JP (1) JP2006523793A (de)
KR (1) KR20060028699A (de)
AT (1) ATE492720T1 (de)
DE (2) DE10328000A1 (de)
WO (1) WO2005001280A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007239536A (ja) * 2006-03-07 2007-09-20 Denso Corp サプライポンプ
JP4793315B2 (ja) * 2006-07-20 2011-10-12 株式会社デンソー 燃料噴射装置
FR2923271A1 (fr) * 2007-11-07 2009-05-08 Renault Sas Dispositif d'injection de carburant.
US8539934B2 (en) 2008-04-10 2013-09-24 Bosch Corporation Injection abnormality detection method and common rail fuel injection control system
EP2249021A1 (de) * 2009-05-06 2010-11-10 Delphi Technologies Holding S.à.r.l. Brennstoffzufuhrsystem
US8302622B2 (en) * 2010-02-24 2012-11-06 Continental Automotive Systems Us, Inc. Unbalanced inlet fuel tube for a fuel pressure regulator
JP2020143584A (ja) * 2019-03-04 2020-09-10 株式会社デンソー 圧力調整装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2890718B2 (ja) * 1990-07-12 1999-05-17 株式会社デンソー 燃料噴射装置の安全弁
US5752486A (en) 1995-12-19 1998-05-19 Nippon Soken Inc. Accumulator fuel injection device
JPH11257188A (ja) * 1998-03-10 1999-09-21 Hitachi Ltd 燃料リターンバルブ
GB9822653D0 (en) * 1998-10-17 1998-12-09 Lucas Ind Plc Fuel system
DE19927804A1 (de) * 1999-06-18 2000-12-28 Bosch Gmbh Robert Kraftstoffversorgungsanlage für eine Brennkraftmaschine
DE19952513A1 (de) * 1999-10-30 2001-06-07 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen mit konstantem Lecköldruck im Injektor
DE10046662B4 (de) * 2000-09-20 2004-09-30 Robert Bosch Gmbh Kraftstoffeinspritzventil mit einem Druckhalteventil
JP2002161829A (ja) * 2000-11-27 2002-06-07 Denso Corp 蓄圧式燃料噴射装置
JP2002235635A (ja) * 2001-02-13 2002-08-23 Denso Corp 蓄圧式燃料噴射装置
DE10157884B4 (de) * 2000-11-27 2013-05-08 Denso Corporation Druckspeicherkraftstoffeinspritzsystem zum Vermeiden eines Fehlverhalten eines Entlastungsventils, das durch Druckpulsation bewirkt wird
DE10104634A1 (de) * 2001-02-02 2002-09-19 Bosch Gmbh Robert Kraftstoffeinspritzsystem für Brennkraftmaschinen mit verbesserter Druckversorgung der Injektoren
JP2003021017A (ja) * 2001-07-10 2003-01-24 Bosch Automotive Systems Corp 蓄圧式燃料噴射装置
DE10157411A1 (de) * 2001-11-23 2003-06-26 Bosch Gmbh Robert Injektor zur Hochdruckeinspritzung von Kraftstoff
JP3786002B2 (ja) * 2001-12-14 2006-06-14 トヨタ自動車株式会社 内燃機関の高圧燃料供給装置

Also Published As

Publication number Publication date
WO2005001280A1 (de) 2005-01-06
JP2006523793A (ja) 2006-10-19
DE10328000A1 (de) 2005-01-13
EP1727978B1 (de) 2010-12-22
ATE492720T1 (de) 2011-01-15
EP1727978A1 (de) 2006-12-06
KR20060028699A (ko) 2006-03-31

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