FR2853695B1 - Dispositif de fermeture de soupape d'un systeme d'injection de fluide sous pression - Google Patents

Dispositif de fermeture de soupape d'un systeme d'injection de fluide sous pression

Info

Publication number
FR2853695B1
FR2853695B1 FR0304542A FR0304542A FR2853695B1 FR 2853695 B1 FR2853695 B1 FR 2853695B1 FR 0304542 A FR0304542 A FR 0304542A FR 0304542 A FR0304542 A FR 0304542A FR 2853695 B1 FR2853695 B1 FR 2853695B1
Authority
FR
France
Prior art keywords
pressurized fluid
injection system
closure device
fluid injection
valve closure
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
FR0304542A
Other languages
English (en)
Other versions
FR2853695A1 (fr
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 SAS
Original Assignee
Renault SAS
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 SAS filed Critical Renault SAS
Priority to FR0304542A priority Critical patent/FR2853695B1/fr
Priority to ES04300185T priority patent/ES2249753T3/es
Priority to DE200460000217 priority patent/DE602004000217T2/de
Priority to EP20040300185 priority patent/EP1467089B1/fr
Publication of FR2853695A1 publication Critical patent/FR2853695A1/fr
Application granted granted Critical
Publication of FR2853695B1 publication Critical patent/FR2853695B1/fr
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)
FR0304542A 2003-04-11 2003-04-11 Dispositif de fermeture de soupape d'un systeme d'injection de fluide sous pression Expired - Lifetime FR2853695B1 (fr)

Priority Applications (4)

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
ES04300185T ES2249753T3 (es) 2003-04-11 2004-04-08 Aguja hueca para inyector de combustible.
DE200460000217 DE602004000217T2 (de) 2003-04-11 2004-04-08 Hohlnadel eines Brennstoffinjektors
EP20040300185 EP1467089B1 (fr) 2003-04-11 2004-04-08 Aiguille creuse d'un injecteur de carburant

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2853695A1 FR2853695A1 (fr) 2004-10-15
FR2853695B1 true FR2853695B1 (fr) 2006-06-16

Family

ID=32865412

Family Applications (1)

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

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
US5833142A (en) * 1993-08-18 1998-11-10 Orbital Engine Company (Australia) Pty. Limited Fuel injector nozzles
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
FR2853695A1 (fr) 2004-10-15
DE602004000217D1 (de) 2006-01-12
DE602004000217T2 (de) 2006-07-20
EP1467089B1 (fr) 2005-12-07
ES2249753T3 (es) 2006-04-01
EP1467089A1 (fr) 2004-10-13

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