FR2969216B1 - Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant - Google Patents

Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant

Info

Publication number
FR2969216B1
FR2969216B1 FR1004983A FR1004983A FR2969216B1 FR 2969216 B1 FR2969216 B1 FR 2969216B1 FR 1004983 A FR1004983 A FR 1004983A FR 1004983 A FR1004983 A FR 1004983A FR 2969216 B1 FR2969216 B1 FR 2969216B1
Authority
FR
France
Prior art keywords
limit valve
fuel accumulator
high pressure
depression correction
pressure fuel
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
FR1004983A
Other languages
English (en)
Other versions
FR2969216A1 (fr
Inventor
Francois Christophe
Jean Roch Julien
Francois Rossignol
Gerard Duplat
Frederic Pernin
Andre Rousse
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to FR1004983A priority Critical patent/FR2969216B1/fr
Priority to DE201110088993 priority patent/DE102011088993A1/de
Publication of FR2969216A1 publication Critical patent/FR2969216A1/fr
Application granted granted Critical
Publication of FR2969216B1 publication Critical patent/FR2969216B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F02M63/023—Means for varying pressure in common rails
    • F02M63/0235—Means for varying pressure in common rails by bleeding fuel pressure
    • F02M63/025—Means for varying pressure in common rails by bleeding fuel pressure from the common rail
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/005—Pressure relief valves
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0054—Check valves
    • 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
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0073—Pressure balanced valves
    • 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
    • F02M2200/60—Fuel-injection apparatus having means for facilitating the starting of engines, e.g. with valves or fuel passages for keeping residual pressure in 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)
  • Safety Valves (AREA)
FR1004983A 2010-12-20 2010-12-20 Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant Expired - Fee Related FR2969216B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1004983A FR2969216B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant
DE201110088993 DE102011088993A1 (de) 2010-12-20 2011-12-19 Druckbegrenzungsventil und Unterdruckkorrektur für einen Kraftstoffhochdruckspeicher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004983A FR2969216B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant

Publications (2)

Publication Number Publication Date
FR2969216A1 FR2969216A1 (fr) 2012-06-22
FR2969216B1 true FR2969216B1 (fr) 2013-01-18

Family

ID=44462023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004983A Expired - Fee Related FR2969216B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression et correction de depression d'accumulateur haute pression de carburant

Country Status (2)

Country Link
DE (1) DE102011088993A1 (fr)
FR (1) FR2969216B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08114160A (ja) * 1994-08-25 1996-05-07 Nippondenso Co Ltd 内燃機関用燃料供給装置
DE19539885A1 (de) * 1995-05-26 1996-11-28 Bosch Gmbh Robert Kraftstoffversorgungsanlage und Verfahren zum Betreiben einer Brennkraftmaschine
DE102004037557A1 (de) * 2004-08-03 2006-03-16 Robert Bosch Gmbh Kraftstoffeinspritzsystem
US7267108B2 (en) * 2005-04-18 2007-09-11 Ford Global Technologies, Llc Fuel system pressure relief valve with integral accumulator
DE102007021085B4 (de) * 2007-05-03 2009-01-15 L'orange Gmbh Einspritzsystem für mit Kraftstoff, insbesondere Schweröl, betriebene Brennkraftmaschinen

Also Published As

Publication number Publication date
DE102011088993A1 (de) 2012-06-21
FR2969216A1 (fr) 2012-06-22

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