DE602004006718D1 - Einspritzdüse mit verbesserter Federanordnung - Google Patents

Einspritzdüse mit verbesserter Federanordnung

Info

Publication number
DE602004006718D1
DE602004006718D1 DE602004006718T DE602004006718T DE602004006718D1 DE 602004006718 D1 DE602004006718 D1 DE 602004006718D1 DE 602004006718 T DE602004006718 T DE 602004006718T DE 602004006718 T DE602004006718 T DE 602004006718T DE 602004006718 D1 DE602004006718 D1 DE 602004006718D1
Authority
DE
Germany
Prior art keywords
sleeve
spring
injection nozzle
spring arrangement
improved spring
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.)
Expired - Fee Related
Application number
DE602004006718T
Other languages
English (en)
Other versions
DE602004006718T2 (de
Inventor
Guy Krier
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of DE602004006718D1 publication Critical patent/DE602004006718D1/de
Application granted granted Critical
Publication of DE602004006718T2 publication Critical patent/DE602004006718T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/0642—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto
    • F02M51/0653—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature having a valve attached thereto the valve being an elongated body, e.g. a needle valve
    • 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
    • F02M61/08—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 the valves opening in direction of fuel flow
    • 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
    • F02M2200/50—Arrangements of springs for valves used in fuel injectors or fuel injection pumps
    • F02M2200/507—Adjusting spring tension by screwing spring seats

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Nozzles (AREA)
DE602004006718T 2004-04-17 2004-04-17 Einspritzdüse mit verbesserter Federanordnung Expired - Fee Related DE602004006718T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04252275A EP1586763B1 (de) 2004-04-17 2004-04-17 Einspritzdüse mit verbesserter Federanordnung

Publications (2)

Publication Number Publication Date
DE602004006718D1 true DE602004006718D1 (de) 2007-07-12
DE602004006718T2 DE602004006718T2 (de) 2008-01-24

Family

ID=34930257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006718T Expired - Fee Related DE602004006718T2 (de) 2004-04-17 2004-04-17 Einspritzdüse mit verbesserter Federanordnung

Country Status (3)

Country Link
EP (1) EP1586763B1 (de)
AT (1) ATE363595T1 (de)
DE (1) DE602004006718T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114563176B (zh) * 2022-04-27 2022-08-12 西安航天动力研究所 一种栓式喷注器及其针阀动特性测试装置和测试方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986342A (en) * 1959-02-04 1961-05-30 Borg Warner Fuel injection nozzle
GB1586254A (en) * 1977-06-22 1981-03-18 Lucas Industries Ltd Fuel injection nozzle unit for supplying fuel to an internal combustion engine
DE3727366A1 (de) * 1987-08-17 1989-03-02 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE4131535A1 (de) * 1991-09-21 1993-03-25 Bosch Gmbh Robert Elektromagnetisch betaetigbares einspritzventil
JP2979467B2 (ja) * 1996-05-10 1999-11-15 株式会社ケーヒン 電磁式燃料噴射弁
US5944262A (en) * 1997-02-14 1999-08-31 Denso Corporation Fuel injection valve and its manufacturing method
US6328232B1 (en) * 2000-01-19 2001-12-11 Delphi Technologies, Inc. Fuel injector spring force calibration tube with internally mounted fuel inlet filter

Also Published As

Publication number Publication date
EP1586763B1 (de) 2007-05-30
EP1586763A1 (de) 2005-10-19
ATE363595T1 (de) 2007-06-15
DE602004006718T2 (de) 2008-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee