FR2775024B1 - Appareil pour reduire la pulsation d'alimentation d'une pompe a carburant a haute pression - Google Patents

Appareil pour reduire la pulsation d'alimentation d'une pompe a carburant a haute pression

Info

Publication number
FR2775024B1
FR2775024B1 FR9810777A FR9810777A FR2775024B1 FR 2775024 B1 FR2775024 B1 FR 2775024B1 FR 9810777 A FR9810777 A FR 9810777A FR 9810777 A FR9810777 A FR 9810777A FR 2775024 B1 FR2775024 B1 FR 2775024B1
Authority
FR
France
Prior art keywords
reducing
high pressure
fuel pump
pressure fuel
supply pulsation
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
FR9810777A
Other languages
English (en)
Other versions
FR2775024A1 (fr
Inventor
Wakaki Miyaji
Yoshihiko Oonishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2775024A1 publication Critical patent/FR2775024A1/fr
Application granted granted Critical
Publication of FR2775024B1 publication Critical patent/FR2775024B1/fr
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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
    • F02M37/0041—Means for damping pressure pulsations
    • 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
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0008—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using accumulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B11/00—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation
    • F04B11/0091—Equalisation of pulses, e.g. by use of air vessels; Counteracting cavitation using a special shape of fluid pass, e.g. throttles, ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0047—Layout or arrangement of systems for feeding fuel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel-Injection Apparatus (AREA)
FR9810777A 1998-02-13 1998-08-27 Appareil pour reduire la pulsation d'alimentation d'une pompe a carburant a haute pression Expired - Fee Related FR2775024B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10031580A JP2922488B1 (ja) 1998-02-13 1998-02-13 高圧燃料ポンプのフィード圧脈動低減装置

Publications (2)

Publication Number Publication Date
FR2775024A1 FR2775024A1 (fr) 1999-08-20
FR2775024B1 true FR2775024B1 (fr) 2004-10-22

Family

ID=12335134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810777A Expired - Fee Related FR2775024B1 (fr) 1998-02-13 1998-08-27 Appareil pour reduire la pulsation d'alimentation d'une pompe a carburant a haute pression

Country Status (3)

Country Link
JP (1) JP2922488B1 (fr)
DE (1) DE19842021B4 (fr)
FR (1) FR2775024B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10138362A1 (de) * 2001-04-06 2002-10-17 Bosch Gmbh Robert Einstempel-Einspritzpumpe für ein Common-Rail-Kraftstoffeinspritzsystem
US6805841B2 (en) * 2001-05-09 2004-10-19 The Provost Fellows And Scholars Of The College Of The Holy And Undivided Trinity Of Queen Elizabeth Near Dublin Liquid pumping system
DE10229396A1 (de) * 2002-06-29 2004-01-22 Robert Bosch Gmbh Radialkolbenpumpe zur Kraftstoffhochdruckversorgung bei Einspritzsystemen von Brennkraftmaschinen mit verbessertem Wirkungsgrad
FR2903459B1 (fr) * 2006-07-05 2013-11-15 Jtekt Hpi Pompe a engrenages comportant un dispositif d'amortissement de pulsations d'aspiration de fluide hydraulique
GB0618333D0 (en) 2006-09-19 2006-10-25 Delphi Tech Inc Hydraulic control circuit
EP2333342B1 (fr) * 2009-11-26 2012-07-18 Continental Automotive GmbH Arrangement d'amortissement et pompe avec un arrangement d'amortissement
JP6534832B2 (ja) * 2015-03-06 2019-06-26 株式会社ケーヒン 燃料供給装置及びベローズ式ダンパ
DE102018200083A1 (de) * 2018-01-04 2019-07-04 Continental Automotive Gmbh Kraftstoffhochdruckpumpe
IT201800004282A1 (it) * 2018-04-06 2019-10-06 Gruppo di pompaggio per alimentare combustibile, preferibilmente gasolio, ad un motore a combustione interna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1567041A (en) * 1975-11-06 1980-05-08 Allied Chem Fuel injection system
JPH02225801A (ja) * 1989-02-27 1990-09-07 Nhk Spring Co Ltd アキュムレータ
US5205326A (en) * 1991-08-23 1993-04-27 Hydraulic Power Systems, Inc. Pressure response type pulsation damper noise attenuator and accumulator
US5257606A (en) * 1992-06-23 1993-11-02 Carter Automotive Company, Inc. Fuel pump accumulator
DE19539885A1 (de) * 1995-05-26 1996-11-28 Bosch Gmbh Robert Kraftstoffversorgungsanlage und Verfahren zum Betreiben einer Brennkraftmaschine

Also Published As

Publication number Publication date
JP2922488B1 (ja) 1999-07-26
DE19842021B4 (de) 2005-12-22
DE19842021A1 (de) 1999-08-26
JPH11229983A (ja) 1999-08-24
FR2775024A1 (fr) 1999-08-20

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100430