ATE461362T1 - Kraftstoffeinspritzventil für brennkraftmaschinen - Google Patents

Kraftstoffeinspritzventil für brennkraftmaschinen

Info

Publication number
ATE461362T1
ATE461362T1 AT05701547T AT05701547T ATE461362T1 AT E461362 T1 ATE461362 T1 AT E461362T1 AT 05701547 T AT05701547 T AT 05701547T AT 05701547 T AT05701547 T AT 05701547T AT E461362 T1 ATE461362 T1 AT E461362T1
Authority
AT
Austria
Prior art keywords
valve needle
fuel
opening
pressure
closing
Prior art date
Application number
AT05701547T
Other languages
English (en)
Inventor
Dieter Junger
Joerg-Peter Fischer
Thilo Kreher
Jens-Peter Nagel
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE461362T1 publication Critical patent/ATE461362T1/de

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
    • 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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
AT05701547T 2004-03-30 2005-01-19 Kraftstoffeinspritzventil für brennkraftmaschinen ATE461362T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004015360A DE102004015360A1 (de) 2004-03-30 2004-03-30 Kraftstoffeinspritzventil für Brennkraftmaschinen
PCT/EP2005/050201 WO2005095785A1 (de) 2004-03-30 2005-01-19 Kraftstoffeinspritzventil für brennkraftmaschinen

Publications (1)

Publication Number Publication Date
ATE461362T1 true ATE461362T1 (de) 2010-04-15

Family

ID=34959829

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05701547T ATE461362T1 (de) 2004-03-30 2005-01-19 Kraftstoffeinspritzventil für brennkraftmaschinen

Country Status (7)

Country Link
US (1) US20070290075A1 (de)
EP (1) EP1747370B1 (de)
JP (1) JP2007530862A (de)
CN (1) CN1938513A (de)
AT (1) ATE461362T1 (de)
DE (2) DE102004015360A1 (de)
WO (1) WO2005095785A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005046665A1 (de) * 2005-09-29 2007-04-05 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
JP4226011B2 (ja) * 2006-02-16 2009-02-18 株式会社デンソー 燃料噴射装置
JP4331225B2 (ja) * 2007-04-10 2009-09-16 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
JP2009008032A (ja) * 2007-06-29 2009-01-15 Toyota Motor Corp 内燃機関の燃料噴射制御装置
DE102008031271B4 (de) * 2008-07-02 2011-07-28 Continental Automotive GmbH, 30165 Düsenbaugruppe für ein Einspritzventil
JP2011185264A (ja) * 2010-02-11 2011-09-22 Denso Corp インジェクタ
KR101116504B1 (ko) * 2010-04-21 2012-02-28 현대중공업 주식회사 디젤엔진용 ２ 솔레노이드밸브 릴레이 ２단 연료분사 밸브
DE102011086339A1 (de) 2011-11-15 2013-05-16 Robert Bosch Gmbh Kraftstoffinjektor, insbesondere Common-Rail-Injektor
WO2013138805A1 (en) * 2012-03-16 2013-09-19 International Engine Intellectual Property Company, Llc Fuel injector needle sleeve
GB201309122D0 (en) 2013-05-21 2013-07-03 Delphi Tech Holding Sarl Fuel Injector
CN104481765B (zh) * 2014-12-03 2016-08-24 中国第一汽车股份有限公司无锡油泵油嘴研究所 燃料喷射阀
DE102015208767A1 (de) * 2015-05-12 2016-11-17 Robert Bosch Gmbh Gasinjektor mit verbesserter Abdichtung
CN106014739B (zh) * 2016-05-25 2018-05-18 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种喷油嘴
WO2018237283A1 (en) 2017-06-23 2018-12-27 Graco Minnesota Inc. VARIABLE FLOWING FUNGUS VALVE
CN111075626B (zh) * 2019-12-19 2020-12-18 武汉科技大学 一种可变喷孔的喷油器
CN111075624B (zh) * 2019-12-20 2021-04-09 一汽解放汽车有限公司 喷油装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5899389A (en) * 1997-06-02 1999-05-04 Cummins Engine Company, Inc. Two stage fuel injector nozzle assembly
GB9916464D0 (en) * 1999-07-14 1999-09-15 Lucas Ind Plc Fuel injector
DE10010863A1 (de) * 2000-03-06 2001-09-27 Bosch Gmbh Robert Einspritzdüse
DE10122241A1 (de) * 2001-05-08 2002-12-05 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6705543B2 (en) * 2001-08-22 2004-03-16 Cummins Inc. Variable pressure fuel injection system with dual flow rate injector
DE10141679A1 (de) * 2001-08-25 2003-03-06 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine
DE10205970A1 (de) 2002-02-14 2003-09-04 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10222196A1 (de) * 2002-05-18 2003-11-27 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen

Also Published As

Publication number Publication date
DE502005009231D1 (de) 2010-04-29
EP1747370A1 (de) 2007-01-31
EP1747370B1 (de) 2010-03-17
WO2005095785A1 (de) 2005-10-13
JP2007530862A (ja) 2007-11-01
DE102004015360A1 (de) 2005-10-20
CN1938513A (zh) 2007-03-28
US20070290075A1 (en) 2007-12-20

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee