IT1306317B1 - Dispositivo di pompaggio ad alta pressione - Google Patents

Dispositivo di pompaggio ad alta pressione

Info

Publication number
IT1306317B1
IT1306317B1 IT1998BO000436A ITBO980436A IT1306317B1 IT 1306317 B1 IT1306317 B1 IT 1306317B1 IT 1998BO000436 A IT1998BO000436 A IT 1998BO000436A IT BO980436 A ITBO980436 A IT BO980436A IT 1306317 B1 IT1306317 B1 IT 1306317B1
Authority
IT
Italy
Prior art keywords
high pressure
pumping device
pressure pumping
pumping
pressure
Prior art date
Application number
IT1998BO000436A
Other languages
English (en)
Inventor
Marcello Cristiani
Massimo Lolli
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to IT1998BO000436A priority Critical patent/IT1306317B1/it
Priority to EP99113852A priority patent/EP0972935B1/en
Priority to ES99113852T priority patent/ES2207895T3/es
Priority to DE69911324T priority patent/DE69911324T2/de
Priority to US09/354,439 priority patent/US6354272B1/en
Priority to BR9904566-4A priority patent/BR9904566A/pt
Publication of ITBO980436A1 publication Critical patent/ITBO980436A1/it
Application granted granted Critical
Publication of IT1306317B1 publication Critical patent/IT1306317B1/it

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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/442—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston means preventing fuel leakage around pump plunger, e.g. fluid barriers
    • 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
    • F02M37/0052—Details on the fuel return circuit; Arrangement of pressure regulators
    • 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
    • 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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/20—Varying fuel delivery in quantity or timing
    • F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
    • F02M59/366—Valves being actuated electrically
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT1998BO000436A 1998-07-16 1998-07-16 Dispositivo di pompaggio ad alta pressione IT1306317B1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT1998BO000436A IT1306317B1 (it) 1998-07-16 1998-07-16 Dispositivo di pompaggio ad alta pressione
EP99113852A EP0972935B1 (en) 1998-07-16 1999-07-15 High pressure pumping device
ES99113852T ES2207895T3 (es) 1998-07-16 1999-07-15 Dispositivo de bombeo a presion elevada.
DE69911324T DE69911324T2 (de) 1998-07-16 1999-07-15 Hochdruckpumpvorrichtung
US09/354,439 US6354272B1 (en) 1998-07-16 1999-07-16 High pressure pumping device
BR9904566-4A BR9904566A (pt) 1998-07-16 1999-07-16 Dispositivo de bombeamento de alta pressão e unidade para suprimento de combustìvel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998BO000436A IT1306317B1 (it) 1998-07-16 1998-07-16 Dispositivo di pompaggio ad alta pressione

Publications (2)

Publication Number Publication Date
ITBO980436A1 ITBO980436A1 (it) 2000-01-16
IT1306317B1 true IT1306317B1 (it) 2001-06-04

Family

ID=11343308

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998BO000436A IT1306317B1 (it) 1998-07-16 1998-07-16 Dispositivo di pompaggio ad alta pressione

Country Status (6)

Country Link
US (1) US6354272B1 (it)
EP (1) EP0972935B1 (it)
BR (1) BR9904566A (it)
DE (1) DE69911324T2 (it)
ES (1) ES2207895T3 (it)
IT (1) IT1306317B1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10343480A1 (de) * 2003-09-19 2005-04-14 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung für eine Brennkraftmaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2742466C2 (de) * 1977-09-21 1986-11-27 Daimler-Benz Ag, 7000 Stuttgart Pumpdüse zur Kraftstoffeinspritzung in eine luftverdichtende Brennkraftmaschine
IT1198062B (it) * 1986-10-22 1988-12-21 Piaggio & C Spa Motore a combustione interna a due tempi,ad iniezione di combustibile ed accensione comandata
US4794888A (en) * 1988-01-04 1989-01-03 Brunswick Corporation Fuel puddle suction system for fuel injected engine
EP0676006A4 (en) * 1992-12-21 1997-12-29 Transcom Gas Tech LIQUID INJECTION DEVICE.
DE4322546A1 (de) * 1993-07-07 1995-01-12 Bosch Gmbh Robert Kraftstoffeinspritzvorrichtung für Brennkraftmaschinen
JP3142038B2 (ja) * 1993-12-03 2001-03-07 株式会社デンソー 電磁弁
DE19522306B4 (de) * 1994-06-24 2004-08-26 Denso Corp., Kariya Hochdruck-Kraftstoffzuführungspumpe
JPH09310661A (ja) * 1996-05-20 1997-12-02 Denso Corp 直噴式ガソリンエンジンの燃料供給装置
JPH1018941A (ja) * 1996-07-01 1998-01-20 Mitsubishi Electric Corp 可変吐出量高圧ポンプ
US6024064A (en) * 1996-08-09 2000-02-15 Denso Corporation High pressure fuel injection system for internal combustion engine
DE19644915A1 (de) * 1996-10-29 1998-04-30 Bosch Gmbh Robert Hochdruckpumpe
US5845621A (en) * 1997-06-19 1998-12-08 Siemens Automotive Corporation Bellows pressure pulsation damper
EP0893598B1 (en) * 1997-07-26 2003-05-28 Delphi Technologies, Inc. Fuel system

Also Published As

Publication number Publication date
ITBO980436A1 (it) 2000-01-16
US6354272B1 (en) 2002-03-12
ES2207895T3 (es) 2004-06-01
BR9904566A (pt) 2002-04-23
EP0972935B1 (en) 2003-09-17
EP0972935A1 (en) 2000-01-19
DE69911324D1 (de) 2003-10-23
DE69911324T2 (de) 2004-07-15

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