DE602004000217T2 - Hohlnadel eines Brennstoffinjektors - Google Patents

Hohlnadel eines Brennstoffinjektors Download PDF

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Publication number
DE602004000217T2
DE602004000217T2 DE200460000217 DE602004000217T DE602004000217T2 DE 602004000217 T2 DE602004000217 T2 DE 602004000217T2 DE 200460000217 DE200460000217 DE 200460000217 DE 602004000217 T DE602004000217 T DE 602004000217T DE 602004000217 T2 DE602004000217 T2 DE 602004000217T2
Authority
DE
Germany
Prior art keywords
needle
valve
seat
closing device
cylindrical
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
DE200460000217
Other languages
German (de)
English (en)
Other versions
DE602004000217D1 (de
Inventor
Nicolas Delmas
Laurent Levin
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.)
Renault SA
Original Assignee
Renault SA
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 Renault SA filed Critical Renault SA
Publication of DE602004000217D1 publication Critical patent/DE602004000217D1/de
Application granted granted Critical
Publication of DE602004000217T2 publication Critical patent/DE602004000217T2/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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M61/04—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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/041—Injectors peculiar thereto having vibrating means for atomizing the fuel, e.g. with sonic or ultrasonic vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Lift Valve (AREA)
DE200460000217 2003-04-11 2004-04-08 Hohlnadel eines Brennstoffinjektors Expired - Lifetime DE602004000217T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0304542A FR2853695B1 (fr) 2003-04-11 2003-04-11 Dispositif de fermeture de soupape d'un systeme d'injection de fluide sous pression
FR0304542 2003-04-11

Publications (2)

Publication Number Publication Date
DE602004000217D1 DE602004000217D1 (de) 2006-01-12
DE602004000217T2 true DE602004000217T2 (de) 2006-07-20

Family

ID=32865412

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200460000217 Expired - Lifetime DE602004000217T2 (de) 2003-04-11 2004-04-08 Hohlnadel eines Brennstoffinjektors

Country Status (4)

Country Link
EP (1) EP1467089B1 (fr)
DE (1) DE602004000217T2 (fr)
ES (1) ES2249753T3 (fr)
FR (1) FR2853695B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483485A (en) * 1981-12-11 1984-11-20 Aisan Kogyo kabuskiki Kaisha Electromagnetic fuel injector
GB8316051D0 (en) * 1983-06-13 1983-07-20 Shell Int Research Atomiser
TW267209B (fr) * 1993-08-18 1996-01-01 Orbital Engline Co Australia Pgy Ltd
FR2801346B1 (fr) * 1999-11-19 2002-10-31 Renault Dispositif d'injection de carburant pour moteur a combustion interne

Also Published As

Publication number Publication date
EP1467089B1 (fr) 2005-12-07
FR2853695B1 (fr) 2006-06-16
ES2249753T3 (es) 2006-04-01
DE602004000217D1 (de) 2006-01-12
EP1467089A1 (fr) 2004-10-13
FR2853695A1 (fr) 2004-10-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition