DE502005003321D1 - Kraftstoffeinspritzventil - Google Patents

Kraftstoffeinspritzventil

Info

Publication number
DE502005003321D1
DE502005003321D1 DE502005003321T DE502005003321T DE502005003321D1 DE 502005003321 D1 DE502005003321 D1 DE 502005003321D1 DE 502005003321 T DE502005003321 T DE 502005003321T DE 502005003321 T DE502005003321 T DE 502005003321T DE 502005003321 D1 DE502005003321 D1 DE 502005003321D1
Authority
DE
Germany
Prior art keywords
nozzle needle
fuel
injection valve
valve
outer nozzle
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.)
Active
Application number
DE502005003321T
Other languages
English (en)
Inventor
Wolfgang Stoecklein
Peter Boehland
Godehard Nentwig
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 DE502005003321D1 publication Critical patent/DE502005003321D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • 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
    • F02M63/00—Other 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
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators

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)
DE502005003321T 2004-03-06 2005-01-13 Kraftstoffeinspritzventil Active DE502005003321D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004011095A DE102004011095A1 (de) 2004-03-06 2004-03-06 Kraftstoffeinspritzventil
PCT/EP2005/050122 WO2005085624A1 (de) 2004-03-06 2005-01-13 Kraftstoffeinspritzventil

Publications (1)

Publication Number Publication Date
DE502005003321D1 true DE502005003321D1 (de) 2008-04-30

Family

ID=34877505

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004011095A Withdrawn DE102004011095A1 (de) 2004-03-06 2004-03-06 Kraftstoffeinspritzventil
DE502005003321T Active DE502005003321D1 (de) 2004-03-06 2005-01-13 Kraftstoffeinspritzventil

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102004011095A Withdrawn DE102004011095A1 (de) 2004-03-06 2004-03-06 Kraftstoffeinspritzventil

Country Status (4)

Country Link
EP (1) EP1727977B1 (de)
AT (1) ATE389796T1 (de)
DE (2) DE102004011095A1 (de)
WO (1) WO2005085624A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006037175A1 (de) * 2006-08-09 2008-02-14 Robert Bosch Gmbh Kraftstoffinjektor mit verbessert geführter Hubbewegung des Ventilschließgliedes
DE102006051583A1 (de) * 2006-11-02 2008-05-08 Robert Bosch Gmbh Kraftstoffinjektor mit Speichervolumensegment
GB0801997D0 (en) 2007-05-01 2008-03-12 Delphi Tech Inc Fuel injector
DE102009046336A1 (de) 2009-11-03 2011-05-05 Robert Bosch Gmbh Ventilanordnung eines Kraftstoffinjektors
US8690075B2 (en) 2011-11-07 2014-04-08 Caterpillar Inc. Fuel injector with needle control system that includes F, A, Z and E orifices

Family Cites Families (5)

* 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
US6705543B2 (en) * 2001-08-22 2004-03-16 Cummins Inc. Variable pressure fuel injection system with dual flow rate injector
DE10155227A1 (de) * 2001-11-09 2003-05-22 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10205970A1 (de) * 2002-02-14 2003-09-04 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10254186A1 (de) * 2002-11-20 2004-06-17 Siemens Ag Injektor mit einer direkt angetriebenen Register-Düsennadel für die Kraftstoffeinspritzung in einen Verbrennungsmotor

Also Published As

Publication number Publication date
EP1727977A1 (de) 2006-12-06
EP1727977B1 (de) 2008-03-19
ATE389796T1 (de) 2008-04-15
WO2005085624A1 (de) 2005-09-15
DE102004011095A1 (de) 2005-09-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition