FR2857418B1 - DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR - Google Patents

DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR

Info

Publication number
FR2857418B1
FR2857418B1 FR0350318A FR0350318A FR2857418B1 FR 2857418 B1 FR2857418 B1 FR 2857418B1 FR 0350318 A FR0350318 A FR 0350318A FR 0350318 A FR0350318 A FR 0350318A FR 2857418 B1 FR2857418 B1 FR 2857418B1
Authority
FR
France
Prior art keywords
injector
breaking
valve
acoustic impedance
fuel injector
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
FR0350318A
Other languages
French (fr)
Other versions
FR2857418A1 (en
Inventor
Nicolas Delmas
Mathieu Meynet
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 FR0350318A priority Critical patent/FR2857418B1/en
Publication of FR2857418A1 publication Critical patent/FR2857418A1/en
Application granted granted Critical
Publication of FR2857418B1 publication Critical patent/FR2857418B1/en
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
    • 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
    • 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
    • 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
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
FR0350318A 2003-07-10 2003-07-10 DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR Expired - Fee Related FR2857418B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0350318A FR2857418B1 (en) 2003-07-10 2003-07-10 DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0350318A FR2857418B1 (en) 2003-07-10 2003-07-10 DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR

Publications (2)

Publication Number Publication Date
FR2857418A1 FR2857418A1 (en) 2005-01-14
FR2857418B1 true FR2857418B1 (en) 2007-04-06

Family

ID=33523100

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0350318A Expired - Fee Related FR2857418B1 (en) 2003-07-10 2003-07-10 DEVICE FOR PRETENSION APPLICATION TO A VALVE OF A FUEL INJECTOR AND MEANS FOR BREAKING THE ACOUSTIC IMPEDANCE OF THE INJECTOR

Country Status (1)

Country Link
FR (1) FR2857418B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7735751B2 (en) * 2006-01-23 2010-06-15 Kimberly-Clark Worldwide, Inc. Ultrasonic liquid delivery device
FR2904666B1 (en) * 2006-08-02 2011-03-04 Renault Sas ACOUSTIC WAVE FUEL INJECTION DEVICE HAVING ACOUSTIC IMPEDANCE RUPTURE MEANS OF THE EJECTION ROD.
FR2906848B1 (en) * 2006-10-09 2012-04-20 Renault Sas DEVICE FOR HOLDING A NEEDLE OF A FUEL INJECTOR, AND ASSOCIATED FUEL INJECTOR
FR2922964B1 (en) 2007-10-31 2009-11-20 Renault Sas RESONANT NEEDLE FLUID INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727366A1 (en) * 1987-08-17 1989-03-02 Bosch Gmbh Robert Fuel injection nozzle for internal combustion engines
US5330100A (en) * 1992-01-27 1994-07-19 Igor Malinowski Ultrasonic fuel injector
FR2801346B1 (en) * 1999-11-19 2002-10-31 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE
FR2811717B1 (en) * 2000-07-13 2002-10-04 Renault FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE
FR2816097B1 (en) * 2000-10-27 2003-02-07 Renault DEVICE FOR BREAKING THE ACOUSTIC IMPEDANCE OF A ROD
FR2816009B1 (en) * 2000-10-27 2003-05-16 Renault SAFETY VALVE FOR DOSED FLUID DELIVERY SYSTEM
US6543700B2 (en) * 2000-12-11 2003-04-08 Kimberly-Clark Worldwide, Inc. Ultrasonic unitized fuel injector with ceramic valve body
FR2832189B1 (en) * 2001-11-09 2004-12-03 Renault FIXING DEVICE FOR A FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
FR2857418A1 (en) 2005-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100331