FR2848256B1 - PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM - Google Patents

PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM

Info

Publication number
FR2848256B1
FR2848256B1 FR0215258A FR0215258A FR2848256B1 FR 2848256 B1 FR2848256 B1 FR 2848256B1 FR 0215258 A FR0215258 A FR 0215258A FR 0215258 A FR0215258 A FR 0215258A FR 2848256 B1 FR2848256 B1 FR 2848256B1
Authority
FR
France
Prior art keywords
fuel injection
damping device
injection system
pressure wave
wave 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 - Fee Related
Application number
FR0215258A
Other languages
French (fr)
Other versions
FR2848256A1 (en
Inventor
Franck Levy
Stephane Ruby
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 FR0215258A priority Critical patent/FR2848256B1/en
Priority to EP03293029A priority patent/EP1426610B1/en
Priority to ES03293029T priority patent/ES2311681T3/en
Priority to DE60322652T priority patent/DE60322652D1/en
Publication of FR2848256A1 publication Critical patent/FR2848256A1/en
Application granted granted Critical
Publication of FR2848256B1 publication Critical patent/FR2848256B1/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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/04—Means for damping vibrations or pressure fluctuations in injection pump inlets or outlets
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
    • F02M55/025—Common rails
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements
    • F02M2200/315—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements for damping fuel pressure fluctuations

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
FR0215258A 2002-12-04 2002-12-04 PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM Expired - Fee Related FR2848256B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR0215258A FR2848256B1 (en) 2002-12-04 2002-12-04 PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM
EP03293029A EP1426610B1 (en) 2002-12-04 2003-12-04 Damping means for the pressure waves in a fuel injection system
ES03293029T ES2311681T3 (en) 2002-12-04 2003-12-04 AMORTIGUATION DEVICE FOR PRESSURE WAVES FOR A FUEL INJECTION SYSTEM.
DE60322652T DE60322652D1 (en) 2002-12-04 2003-12-04 Device for damping pressure waves in a fuel injection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0215258A FR2848256B1 (en) 2002-12-04 2002-12-04 PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM

Publications (2)

Publication Number Publication Date
FR2848256A1 FR2848256A1 (en) 2004-06-11
FR2848256B1 true FR2848256B1 (en) 2007-03-23

Family

ID=32319961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0215258A Expired - Fee Related FR2848256B1 (en) 2002-12-04 2002-12-04 PRESSURE WAVE DAMPING DEVICE FOR FUEL INJECTION SYSTEM

Country Status (1)

Country Link
FR (1) FR2848256B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004037125A1 (en) * 2004-07-30 2006-03-23 Robert Bosch Gmbh Common rail injector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19720913C1 (en) * 1997-05-16 1998-08-20 Mtu Friedrichshafen Gmbh Diesel engine fuel injection system with common controller reservoir
JPH1172053A (en) * 1997-08-29 1999-03-16 Denso Corp Fuel supply device
FR2818732B1 (en) * 2000-12-22 2004-05-28 Renault METHOD FOR DAMPING PRESSURE WAVES IN A HYDRAULIC LINE, AND INJECTION DEVICE WITH A COMMON RAMP IMPLEMENTING THIS METHOD

Also Published As

Publication number Publication date
FR2848256A1 (en) 2004-06-11

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Legal Events

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Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

ST Notification of lapse

Effective date: 20180831