FR2969218B1 - Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection - Google Patents

Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection

Info

Publication number
FR2969218B1
FR2969218B1 FR1004985A FR1004985A FR2969218B1 FR 2969218 B1 FR2969218 B1 FR 2969218B1 FR 1004985 A FR1004985 A FR 1004985A FR 1004985 A FR1004985 A FR 1004985A FR 2969218 B1 FR2969218 B1 FR 2969218B1
Authority
FR
France
Prior art keywords
variable section
limit valve
high pressure
section piston
injection accumulator
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
FR1004985A
Other languages
English (en)
Other versions
FR2969218A1 (fr
Inventor
Francois Rossignol
Jean Roch Julien
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 FR1004985A priority Critical patent/FR2969218B1/fr
Priority to PCT/EP2011/073184 priority patent/WO2012084778A2/fr
Priority to EP11796722.4A priority patent/EP2655855B1/fr
Publication of FR2969218A1 publication Critical patent/FR2969218A1/fr
Application granted granted Critical
Publication of FR2969218B1 publication Critical patent/FR2969218B1/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
    • F02M63/0012—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
    • 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
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F16K15/028—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open the valve member consisting only of a predominantly disc-shaped flat element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
FR1004985A 2010-12-20 2010-12-20 Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection Expired - Fee Related FR2969218B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1004985A FR2969218B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection
PCT/EP2011/073184 WO2012084778A2 (fr) 2010-12-20 2011-12-19 Limiteur de pression pourvu d'un piston de section variable pour accumulateur haute pression d'un système d'injection
EP11796722.4A EP2655855B1 (fr) 2010-12-20 2011-12-19 Limiteur de pression pourvu d'un piston de section variable pour accumulateur haute pression d'un système d'injection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1004985A FR2969218B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection

Publications (2)

Publication Number Publication Date
FR2969218A1 FR2969218A1 (fr) 2012-06-22
FR2969218B1 true FR2969218B1 (fr) 2013-08-02

Family

ID=44340269

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1004985A Expired - Fee Related FR2969218B1 (fr) 2010-12-20 2010-12-20 Soupape de limitation de pression a piston de section variable d'accumulateur haute pression d'injection

Country Status (3)

Country Link
EP (1) EP2655855B1 (fr)
FR (1) FR2969218B1 (fr)
WO (1) WO2012084778A2 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801233A (en) * 1971-12-07 1974-04-02 Boiteau M Valve assemblies
ITTO20001227A1 (it) * 2000-12-29 2002-06-29 Fiat Ricerche Impianto di iniezione a collettore comune per un motore a combustioneinterna, avente un dispositivo di predosaggio del combustibile.
JP3793044B2 (ja) * 2001-05-24 2006-07-05 ボッシュ株式会社 減圧弁
DE10138756A1 (de) * 2001-08-07 2003-02-20 Bosch Gmbh Robert Kraftstoffhochdruckspeicher
DE102007019076A1 (de) * 2007-04-23 2008-10-30 Poppe & Potthoff Gmbh Verteilerrohr, insbesondere für ein Common Rail Einspritzsystem eines Dieselmotors
US20080265199A1 (en) * 2007-04-24 2008-10-30 Sauer-Danfoss Inc. Zero leakage balance valve system
US20090283157A1 (en) * 2008-05-16 2009-11-19 Gm Global Technology Operations, Inc. Check Valve Assembly

Also Published As

Publication number Publication date
WO2012084778A2 (fr) 2012-06-28
WO2012084778A3 (fr) 2012-10-11
FR2969218A1 (fr) 2012-06-22
EP2655855B1 (fr) 2014-10-22
EP2655855A2 (fr) 2013-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160831