DE50304372D1 - Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren - Google Patents

Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren

Info

Publication number
DE50304372D1
DE50304372D1 DE50304372T DE50304372T DE50304372D1 DE 50304372 D1 DE50304372 D1 DE 50304372D1 DE 50304372 T DE50304372 T DE 50304372T DE 50304372 T DE50304372 T DE 50304372T DE 50304372 D1 DE50304372 D1 DE 50304372D1
Authority
DE
Germany
Prior art keywords
pressure
needle hub
fuel injectors
controlled fuel
hub damping
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 - Lifetime
Application number
DE50304372T
Other languages
English (en)
Inventor
Hans-Christoph Magel
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 DE50304372T priority Critical patent/DE50304372D1/de
Application granted granted Critical
Publication of DE50304372D1 publication Critical patent/DE50304372D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • F02M57/026—Construction details of pressure amplifiers, e.g. fuel passages or check valves arranged in the intensifier piston or head, particular diameter relationships, stop members, arrangement of ports or conduits
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means

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)
DE50304372T 2002-06-29 2003-04-03 Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren Expired - Lifetime DE50304372D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50304372T DE50304372D1 (de) 2002-06-29 2003-04-03 Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10229415A DE10229415A1 (de) 2002-06-29 2002-06-29 Einrichtung zur Nadelhubdämpfung an druckgesteuerten Kraftstoffinjektoren
DE50304372T DE50304372D1 (de) 2002-06-29 2003-04-03 Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren
PCT/DE2003/001101 WO2004003377A1 (de) 2002-06-29 2003-04-03 Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren

Publications (1)

Publication Number Publication Date
DE50304372D1 true DE50304372D1 (de) 2006-09-07

Family

ID=29796048

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10229415A Withdrawn DE10229415A1 (de) 2002-06-29 2002-06-29 Einrichtung zur Nadelhubdämpfung an druckgesteuerten Kraftstoffinjektoren
DE50304372T Expired - Lifetime DE50304372D1 (de) 2002-06-29 2003-04-03 Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10229415A Withdrawn DE10229415A1 (de) 2002-06-29 2002-06-29 Einrichtung zur Nadelhubdämpfung an druckgesteuerten Kraftstoffinjektoren

Country Status (5)

Country Link
US (1) US7273185B2 (de)
EP (1) EP1520100B1 (de)
JP (1) JP4295211B2 (de)
DE (2) DE10229415A1 (de)
WO (1) WO2004003377A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10329732A1 (de) * 2003-07-02 2005-02-03 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE102004010760A1 (de) * 2004-03-05 2005-09-22 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit Nadelhubdämpfung
DE102004017305A1 (de) 2004-04-08 2005-10-27 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen mit direkt ansteuerbaren Düsennadeln
DE102004028521A1 (de) 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit mehrteiligem Einspritzventilglied und mit Druckverstärker
DE102004035293A1 (de) * 2004-07-21 2006-02-16 Robert Bosch Gmbh Kraftstoffinjektor mit Nadelhubdämpfung
DE102004048322A1 (de) 2004-10-05 2006-04-06 Robert Bosch Gmbh Kraftstoffinjektor
DE102004053274A1 (de) 2004-11-04 2006-05-11 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE102004058689A1 (de) * 2004-12-06 2006-06-14 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE102006009659A1 (de) * 2005-07-25 2007-02-01 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung
DE102006026877A1 (de) * 2006-06-09 2007-12-13 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen
JP4579997B2 (ja) * 2008-03-25 2010-11-10 株式会社日本自動車部品総合研究所 調圧逆止弁及びそれを備えた燃料噴射装置。
EP2295784B1 (de) * 2009-08-26 2012-02-22 Delphi Technologies Holding S.à.r.l. Kraftstoffeinspritzdüse
GB2559598B (en) * 2017-02-10 2020-04-08 Delphi Tech Ip Ltd Fuel injector nozzle assembly
GB2590366A (en) * 2019-12-09 2021-06-30 Rklab Ag Injector apparatus
US11698043B1 (en) 2022-03-09 2023-07-11 Caterpillar Inc. Fuel injector for fuel system having damping adjustment valve

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205637A (en) * 1976-12-13 1980-06-03 Toyota Jidosha Kogyo Kabushiki Kaisha Electronic fuel injection system for an internal combustion engine having electromagnetic valves and a fuel damper upstream thereof
DE3332808A1 (de) * 1983-09-12 1985-03-28 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoff-einspritzduese fuer brennkraftmaschinen
DE19546033A1 (de) * 1995-12-09 1997-06-12 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US5752659A (en) * 1996-05-07 1998-05-19 Caterpillar Inc. Direct operated velocity controlled nozzle valve for a fluid injector
DE19752496A1 (de) * 1997-11-27 1999-06-02 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6543706B1 (en) * 1999-02-26 2003-04-08 Diesel Technology Company Fuel injection nozzle for an internal combustion engine
DE19910970A1 (de) * 1999-03-12 2000-09-28 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
EP1335125B1 (de) * 2000-11-17 2006-02-08 Isuzu Motors Limited Nadelhubdämpfer eines injektors für brennstoffeinspritzung und dämpfungsverfahren

Also Published As

Publication number Publication date
WO2004003377A1 (de) 2004-01-08
JP4295211B2 (ja) 2009-07-15
DE10229415A1 (de) 2004-01-29
JP2005531715A (ja) 2005-10-20
EP1520100B1 (de) 2006-07-26
US20060163378A1 (en) 2006-07-27
EP1520100A1 (de) 2005-04-06
US7273185B2 (en) 2007-09-25

Similar Documents

Publication Publication Date Title
DE50304372D1 (de) Einrichtung zur nadelhubdämpfung an druckgesteuerten kraftstoffinjektoren
DE50305275D1 (de) Einrichtung zur dämpfung des nadelhubes an kraftstoffinjektoren
DE60310170D1 (de) Brennstoffinjektionsvorrichtung
DE502005007594D1 (de) Brennstoffeinspritzvorrichtung
DE60335223D1 (de) Brennstoffeinspritzvorrichtung
DE502005001511D1 (de) Brennstoffeinspritzventil
DE60312260D1 (de) Kraftstoffeinspritzvorrichtung
DE602005009096D1 (de) Common-Rail Kraftstoffeinspritzsystem
DE60336622D1 (de) Brennstoffeinspritzdüse
DE602004016066D1 (de) Kraftstoffeinspritzsystem
DE50302741D1 (de) Druckübersetzer kraftstoffinjektor mit schnellem druckabbau bei einspritzende
DE502005001701D1 (de) Brennstoffeinspritzventil
DE502005006051D1 (de) Kraftstoffeinspritzeinrichtung
DE50203953D1 (de) Kraftstoffeinspritzeinrichtung
DE50208012D1 (de) Kraftstoffeinspritzeinrichtung
FR2862094B1 (fr) Injecteur de carburant
DE602004026189D1 (de) Kraftstoffeinspritzsteuervorrichtung für kraftstoffeinspritzpumpe
DE50312965D1 (de) Brennstoffeinspritzventil
DE50313486D1 (de) Brennstoffeinspritzventil
DE502004002949D1 (de) Brennstoffeinspritzventil
DE50203648D1 (de) Einrichtung zur schwingungsdämpfung an kraftstoffeinspritzsystemen mit hochdrucksammelraum
DE502004000909D1 (de) Brennstoffeinspritzventil
DE502004003933D1 (de) Brennstoffeinspritzventil
DE502004002886D1 (de) Brennstoffeinspritzventil
DE50209869D1 (de) Kraftstoffeinspritzeinrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition