DE102011083260A1 - Kraftstoffeinspritzventil für Brennkraftmaschinen - Google Patents

Kraftstoffeinspritzventil für Brennkraftmaschinen Download PDF

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Publication number
DE102011083260A1
DE102011083260A1 DE201110083260 DE102011083260A DE102011083260A1 DE 102011083260 A1 DE102011083260 A1 DE 102011083260A1 DE 201110083260 DE201110083260 DE 201110083260 DE 102011083260 A DE102011083260 A DE 102011083260A DE 102011083260 A1 DE102011083260 A1 DE 102011083260A1
Authority
DE
Germany
Prior art keywords
valve needle
valve
needle part
contact surface
fuel injection
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Withdrawn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
DE201110083260
Other languages
German (de)
English (en)
Inventor
Andreas Rau
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 DE201110083260 priority Critical patent/DE102011083260A1/de
Publication of DE102011083260A1 publication Critical patent/DE102011083260A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
    • F02M2200/02—Fuel-injection apparatus having means for reducing wear
    • 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
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8084—Fuel injection apparatus manufacture, repair or assembly involving welding or soldering
    • 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

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  • 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)
DE201110083260 2010-09-29 2011-09-23 Kraftstoffeinspritzventil für Brennkraftmaschinen Withdrawn DE102011083260A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201110083260 DE102011083260A1 (de) 2010-09-29 2011-09-23 Kraftstoffeinspritzventil für Brennkraftmaschinen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010041629 2010-09-29
DE102010041629.0 2010-09-29
DE201110083260 DE102011083260A1 (de) 2010-09-29 2011-09-23 Kraftstoffeinspritzventil für Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
DE102011083260A1 true DE102011083260A1 (de) 2012-03-29

Family

ID=45804870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE201110083260 Withdrawn DE102011083260A1 (de) 2010-09-29 2011-09-23 Kraftstoffeinspritzventil für Brennkraftmaschinen

Country Status (2)

Country Link
EP (1) EP2458194B1 (fr)
DE (1) DE102011083260A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013178338A1 (fr) * 2012-05-30 2013-12-05 L'orange Gmbh Injecteur
EP2818690A1 (fr) * 2013-06-27 2014-12-31 Robert Bosch Gmbh Soupape d'injection de carburant dotée d'un corps de soupape conçu en plusieurs parties sur la chambre de commande

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3042822B1 (fr) * 2015-10-23 2017-12-22 Delphi Int Operations Luxembourg Sarl Injecteur de carburant

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004061800A1 (de) 2004-12-22 2006-07-06 Robert Bosch Gmbh Injektor eines Kraftstoffeinspritzsystems einer Brennkraftmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954802A1 (de) * 1999-11-13 2001-05-17 Bosch Gmbh Robert Brennstoffeinspritzventil
DE10034444A1 (de) * 2000-07-15 2002-01-24 Bosch Gmbh Robert Brennstoffeinspritzventil
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004061800A1 (de) 2004-12-22 2006-07-06 Robert Bosch Gmbh Injektor eines Kraftstoffeinspritzsystems einer Brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013178338A1 (fr) * 2012-05-30 2013-12-05 L'orange Gmbh Injecteur
EP2818690A1 (fr) * 2013-06-27 2014-12-31 Robert Bosch Gmbh Soupape d'injection de carburant dotée d'un corps de soupape conçu en plusieurs parties sur la chambre de commande

Also Published As

Publication number Publication date
EP2458194A2 (fr) 2012-05-30
EP2458194A3 (fr) 2013-07-24
EP2458194B1 (fr) 2014-08-20

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Legal Events

Date Code Title Description
R005 Application deemed withdrawn due to failure to request examination