DE502005003719D1 - Fuel injection valve for internal combustion engines - Google Patents

Fuel injection valve for internal combustion engines

Info

Publication number
DE502005003719D1
DE502005003719D1 DE200550003719 DE502005003719T DE502005003719D1 DE 502005003719 D1 DE502005003719 D1 DE 502005003719D1 DE 200550003719 DE200550003719 DE 200550003719 DE 502005003719 T DE502005003719 T DE 502005003719T DE 502005003719 D1 DE502005003719 D1 DE 502005003719D1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection valve
combustion engines
engines
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
DE200550003719
Other languages
German (de)
Inventor
Michael Kurz
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 DE502005003719D1 publication Critical patent/DE502005003719D1/en
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
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F02M61/182—Discharge orifices being situated in different transversal planes with respect to valve member direction of movement

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)
DE200550003719 2004-10-02 2005-08-11 Fuel injection valve for internal combustion engines Active DE502005003719D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410048134 DE102004048134A1 (en) 2004-10-02 2004-10-02 Fuel injection valve for internal combustion engines

Publications (1)

Publication Number Publication Date
DE502005003719D1 true DE502005003719D1 (en) 2008-05-29

Family

ID=35427698

Family Applications (2)

Application Number Title Priority Date Filing Date
DE200410048134 Withdrawn DE102004048134A1 (en) 2004-10-02 2004-10-02 Fuel injection valve for internal combustion engines
DE200550003719 Active DE502005003719D1 (en) 2004-10-02 2005-08-11 Fuel injection valve for internal combustion engines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE200410048134 Withdrawn DE102004048134A1 (en) 2004-10-02 2004-10-02 Fuel injection valve for internal combustion engines

Country Status (2)

Country Link
EP (1) EP1643118B1 (en)
DE (2) DE102004048134A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055165A1 (en) * 2007-11-19 2009-05-20 Osram Gesellschaft mit beschränkter Haftung LED headlights

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4115477C2 (en) * 1990-05-17 2003-02-06 Avl Verbrennungskraft Messtech Injection nozzle for an internal combustion engine
JP4221913B2 (en) * 2001-04-26 2009-02-12 トヨタ自動車株式会社 Fuel injection device
JP3865222B2 (en) * 2002-03-05 2007-01-10 株式会社デンソー Fuel injection device
US6769635B2 (en) * 2002-09-25 2004-08-03 Caterpillar Inc Mixed mode fuel injector with individually moveable needle valve members

Also Published As

Publication number Publication date
EP1643118A1 (en) 2006-04-05
EP1643118B1 (en) 2008-04-16
DE102004048134A1 (en) 2006-04-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition