DE102009000206A1 - Kraftstoffinjektor für Brennkraftmaschinen - Google Patents

Kraftstoffinjektor für Brennkraftmaschinen Download PDF

Info

Publication number
DE102009000206A1
DE102009000206A1 DE200910000206 DE102009000206A DE102009000206A1 DE 102009000206 A1 DE102009000206 A1 DE 102009000206A1 DE 200910000206 DE200910000206 DE 200910000206 DE 102009000206 A DE102009000206 A DE 102009000206A DE 102009000206 A1 DE102009000206 A1 DE 102009000206A1
Authority
DE
Germany
Prior art keywords
nozzle needle
fuel injector
pressure chamber
annular gap
injector according
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.)
Withdrawn
Application number
DE200910000206
Other languages
German (de)
English (en)
Inventor
Wilhelm Christ
Thilo Kreher
Gerhard SÜNDERHAUF
Andreas Koeninger
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
Priority to DE200910000206 priority Critical patent/DE102009000206A1/de
Priority to CN2009801546532A priority patent/CN102282354A/zh
Priority to PCT/EP2009/065278 priority patent/WO2010081574A1/fr
Priority to EP09753107A priority patent/EP2387661B1/fr
Publication of DE102009000206A1 publication Critical patent/DE102009000206A1/de
Withdrawn legal-status Critical Current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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve 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
    • 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
    • F02M47/022—Mechanically 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/161—Means for adjusting injection-valve lift
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F02M61/205—Means specially adapted for varying the spring tension or assisting the spring force to close the injection-valve, e.g. with damping of valve lift
    • 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

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)
DE200910000206 2009-01-14 2009-01-14 Kraftstoffinjektor für Brennkraftmaschinen Withdrawn DE102009000206A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE200910000206 DE102009000206A1 (de) 2009-01-14 2009-01-14 Kraftstoffinjektor für Brennkraftmaschinen
CN2009801546532A CN102282354A (zh) 2009-01-14 2009-11-17 用于内燃机的燃料喷射器
PCT/EP2009/065278 WO2010081574A1 (fr) 2009-01-14 2009-11-17 Injecteur de carburant pour moteurs à combustion interne
EP09753107A EP2387661B1 (fr) 2009-01-14 2009-11-17 Injecteur de carburant pour moteurs à combustion interne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910000206 DE102009000206A1 (de) 2009-01-14 2009-01-14 Kraftstoffinjektor für Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
DE102009000206A1 true DE102009000206A1 (de) 2010-07-15

Family

ID=41682737

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200910000206 Withdrawn DE102009000206A1 (de) 2009-01-14 2009-01-14 Kraftstoffinjektor für Brennkraftmaschinen

Country Status (4)

Country Link
EP (1) EP2387661B1 (fr)
CN (1) CN102282354A (fr)
DE (1) DE102009000206A1 (fr)
WO (1) WO2010081574A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043363A1 (de) 2010-11-04 2012-05-10 Robert Bosch Gmbh Magnetankeranordnung und Kraftstoffinjektor mit einer Magnetankeranordnung
WO2012171770A1 (fr) 2011-06-14 2012-12-20 Robert Bosch Gmbh Injecteur de carburant pour un moteur à combustion interne
EP2568157A1 (fr) * 2011-09-08 2013-03-13 Delphi Technologies Holding S.à.r.l. Buse à injection
WO2014206753A1 (fr) * 2013-06-27 2014-12-31 Delphi International Operations Luxembourg S.À R.L. Injecteur de carburant

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029562A1 (de) * 2009-07-30 2011-02-03 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
CN104847556A (zh) * 2015-05-19 2015-08-19 中国重汽集团重庆燃油喷射系统有限公司 无静态泄漏喷油器
CN109681360A (zh) * 2019-02-28 2019-04-26 一汽解放汽车有限公司 一种用于燃料喷射阀的长针阀
CN110529317A (zh) * 2019-08-23 2019-12-03 一汽解放汽车有限公司 一种燃料喷射阀阀套总成

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036447A1 (de) 2006-08-04 2008-02-07 Robert Bosch Gmbh Injektor für ein Kraftstoffeinspritzsystem
DE102007032741A1 (de) 2007-07-13 2009-01-15 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10019153A1 (de) * 2000-04-18 2001-10-25 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10149961A1 (de) * 2001-10-10 2003-04-30 Bosch Gmbh Robert Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
DE10348928A1 (de) * 2003-10-18 2005-05-12 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung
EP1851427B1 (fr) * 2005-02-22 2011-05-11 Continental Automotive Systems US, Inc. Injecteur a rampe commune avec dispositif actif de fermeture par pointeau
US7690588B2 (en) * 2007-07-31 2010-04-06 Caterpillar Inc. Fuel injector nozzle with flow restricting device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036447A1 (de) 2006-08-04 2008-02-07 Robert Bosch Gmbh Injektor für ein Kraftstoffeinspritzsystem
DE102007032741A1 (de) 2007-07-13 2009-01-15 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043363A1 (de) 2010-11-04 2012-05-10 Robert Bosch Gmbh Magnetankeranordnung und Kraftstoffinjektor mit einer Magnetankeranordnung
WO2012171770A1 (fr) 2011-06-14 2012-12-20 Robert Bosch Gmbh Injecteur de carburant pour un moteur à combustion interne
DE102011077464A1 (de) 2011-06-14 2012-12-20 Robert Bosch Gmbh Kraftstoffinjektor für eine Brennkraftmaschine
EP2568157A1 (fr) * 2011-09-08 2013-03-13 Delphi Technologies Holding S.à.r.l. Buse à injection
WO2013034543A1 (fr) * 2011-09-08 2013-03-14 Delphi Technologies Holding S.À.R.L. Buse d'injection
CN103764998A (zh) * 2011-09-08 2014-04-30 德尔福技术控股有限公司 喷嘴
US9234487B2 (en) 2011-09-08 2016-01-12 Delphi International Operations Luxembourg S.A.R.L. Injection nozzle
CN103764998B (zh) * 2011-09-08 2016-09-14 德尔福国际运营卢森堡有限公司 喷嘴
WO2014206753A1 (fr) * 2013-06-27 2014-12-31 Delphi International Operations Luxembourg S.À R.L. Injecteur de carburant
EP2818687A1 (fr) * 2013-06-27 2014-12-31 Delphi International Operations Luxembourg S.à r.l. Injecteur de carburant

Also Published As

Publication number Publication date
EP2387661B1 (fr) 2012-10-03
CN102282354A (zh) 2011-12-14
EP2387661A1 (fr) 2011-11-23
WO2010081574A1 (fr) 2010-07-22

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20140801