EP2938875A1 - Soupape de réglage de pression pour un système d'injection de carburant - Google Patents

Soupape de réglage de pression pour un système d'injection de carburant

Info

Publication number
EP2938875A1
EP2938875A1 EP13786516.8A EP13786516A EP2938875A1 EP 2938875 A1 EP2938875 A1 EP 2938875A1 EP 13786516 A EP13786516 A EP 13786516A EP 2938875 A1 EP2938875 A1 EP 2938875A1
Authority
EP
European Patent Office
Prior art keywords
valve
pressure control
control valve
closing element
spherical
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.)
Granted
Application number
EP13786516.8A
Other languages
German (de)
English (en)
Other versions
EP2938875B1 (fr
Inventor
Stefan Schuerg
Vittorio Caroli
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
Publication of EP2938875A1 publication Critical patent/EP2938875A1/fr
Application granted granted Critical
Publication of EP2938875B1 publication Critical patent/EP2938875B1/fr
Active 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
    • F02M63/0052—Pressure relief valves with means for adjusting the opening pressure, e.g. electrically controlled
    • 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
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/0071—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059 characterised by guiding or centering means in valves including the absence of any guiding means, e.g. "flying arrangements"
    • 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
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for

Definitions

  • the spherical valve closure element is preferably performed.
  • guide surfaces are provided, which are arranged opposite to the immediately adjacent to the valve seat guide surfaces further radially outward.
  • the valve piece has a biting edge on a support surface facing away from the valve seat.
  • the support surface serves to support the valve piece or the pressure control valve when inserted into a stepped bore of a High-pressure accumulator body. Over the biting edge can then be achieved a sealing effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

L'invention concerne une soupape de réglage de pression destinée à un système d'injection de carburant, en particulier un système d'injection à rampe commune, pour régler la pression dans un réservoir de carburant haute pression, comprenant un actionneur magnétique (1) pour actionner un élément de fermeture sphérique (2) de soupape, l'actionneur magnétique (1) coopérant avec une ancre (3) animée d'un mouvement alternatif, qui est reliée à une tige (4) d'ancre destinée à transmettre la force de l'actionneur magnétique (1) à l'élément de fermeture sphérique (2) de soupape. Selon l'invention, l'élément de fermeture sphérique (2) de soupape et/ou la tige (3) d'ancre est/sont guidé(e)(s) de manière à pouvoir se déplacer axialement dans une pièce (5) de soupape, qui forme un siège (6) de soupape coopérant avec l'élément de fermeture sphérique (2) de soupape.
EP13786516.8A 2012-12-27 2013-11-07 Soupape de réglage de pression pour un système d'injection de carburant Active EP2938875B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012224403.4A DE102012224403A1 (de) 2012-12-27 2012-12-27 Druckregelventil für ein Kraftstoffeinspritzsystem
PCT/EP2013/073294 WO2014102028A1 (fr) 2012-12-27 2013-11-07 Soupape de réglage de pression pour un système d'injection de carburant

Publications (2)

Publication Number Publication Date
EP2938875A1 true EP2938875A1 (fr) 2015-11-04
EP2938875B1 EP2938875B1 (fr) 2019-03-13

Family

ID=49546427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13786516.8A Active EP2938875B1 (fr) 2012-12-27 2013-11-07 Soupape de réglage de pression pour un système d'injection de carburant

Country Status (6)

Country Link
US (1) US10041459B2 (fr)
EP (1) EP2938875B1 (fr)
JP (1) JP6343622B2 (fr)
CN (1) CN105102807B (fr)
DE (1) DE102012224403A1 (fr)
WO (1) WO2014102028A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2999658A1 (fr) * 2012-12-18 2014-06-20 Delphi Technologies Holding Vanne haute pression
DE102015206538A1 (de) * 2015-04-13 2016-10-13 Robert Bosch Gmbh Druckregelventil mit integriertem Drucksensor
DE102015214816A1 (de) * 2015-08-04 2017-02-09 Continental Automotive Gmbh Hochdruckanordnung
GB2547949B (en) * 2016-03-04 2019-11-13 Johnson Electric Int Ag Plunger for magnetic latching solenoid actuator
FR3064688A1 (fr) * 2017-03-31 2018-10-05 Delphi International Operations Luxembourg S.A R.L. Ensemble rampe et vanne haute pression
CN110552827B (zh) * 2018-06-04 2022-11-11 罗伯特·博世有限公司 用于高压油泵的进油阀和相应的高压油泵

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757117A1 (de) * 1997-12-20 1999-06-24 Bosch Gmbh Robert Verfahren zur Herstellung eines Ventilsitzkörpers für ein Brennstoffeinspritzventil und Brennstoffeinspritzventil

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60131663U (ja) * 1984-02-10 1985-09-03 株式会社ボッシュオートモーティブ　システム 電磁弁
US4974565A (en) * 1988-02-26 1990-12-04 Toyota Jidosha Kabushiki Kaisha Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve
CH689281A5 (de) * 1994-02-03 1999-01-29 Christian Dipl-Ing Eth Mathis Kraftstoffeinspritzanlage fuer eine Brennkraftmaschine, insbesondere fuer einen Dieselmotor, sowie ein Verfahren zur Ueberwachung derselben.
US5704553A (en) * 1995-10-30 1998-01-06 Wieczorek; David P. Compact injector armature valve assembly
DE19822671A1 (de) * 1998-05-20 1999-11-25 Bosch Gmbh Robert Druckbegrenzungsventil
JP2000018135A (ja) * 1998-07-06 2000-01-18 Mitsubishi Electric Corp 燃料噴射弁及びその製造方法
US6302080B1 (en) * 1998-07-31 2001-10-16 Denso Corporation Fuel injection system having pre-injection and main injection
US6776358B2 (en) * 1998-10-09 2004-08-17 Jun Arimoto Fuel injection nozzle for a diesel engine
US6510836B2 (en) * 2000-07-03 2003-01-28 Murad M. Ismailov Swirl injector for internal combustion engine
DE10046416C2 (de) * 2000-09-18 2002-11-07 Orange Gmbh Ventilausbildung für Steuerventile
JP2008138650A (ja) * 2006-12-05 2008-06-19 Denso Corp 電磁弁およびそれを用いた燃料噴射装置
DE102007011047A1 (de) * 2007-03-07 2008-09-11 Robert Bosch Gmbh Magnetventilinjektor
DE102009027841A1 (de) * 2009-07-20 2011-01-27 Robert Bosch Gmbh Kraftstoffeinspritzventil
US8286896B2 (en) * 2010-03-26 2012-10-16 Delphi Technologies, Inc. Valve seat and shroud for gaseous fuel injector
DE102010043092A1 (de) 2010-10-29 2012-05-03 Robert Bosch Gmbh Druckregelventil
US8998116B2 (en) * 2012-09-07 2015-04-07 Tenneco Automotive Operating Company Inc. Reagent injector with crimped pintle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757117A1 (de) * 1997-12-20 1999-06-24 Bosch Gmbh Robert Verfahren zur Herstellung eines Ventilsitzkörpers für ein Brennstoffeinspritzventil und Brennstoffeinspritzventil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014102028A1 *

Also Published As

Publication number Publication date
WO2014102028A1 (fr) 2014-07-03
JP6343622B2 (ja) 2018-06-13
US10041459B2 (en) 2018-08-07
DE102012224403A1 (de) 2014-07-03
CN105102807B (zh) 2018-02-06
EP2938875B1 (fr) 2019-03-13
CN105102807A (zh) 2015-11-25
JP2016502031A (ja) 2016-01-21
US20160123289A1 (en) 2016-05-05

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