EP2206912A2 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

Info

Publication number
EP2206912A2
EP2206912A2 EP09169850A EP09169850A EP2206912A2 EP 2206912 A2 EP2206912 A2 EP 2206912A2 EP 09169850 A EP09169850 A EP 09169850A EP 09169850 A EP09169850 A EP 09169850A EP 2206912 A2 EP2206912 A2 EP 2206912A2
Authority
EP
European Patent Office
Prior art keywords
fuel injector
volume
valve element
fuel
injection valve
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
EP09169850A
Other languages
German (de)
English (en)
Other versions
EP2206912B1 (fr
EP2206912A3 (fr
Inventor
Matthias Burger
Hans-Christoph Magel
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 EP2206912A2 publication Critical patent/EP2206912A2/fr
Publication of EP2206912A3 publication Critical patent/EP2206912A3/fr
Application granted granted Critical
Publication of EP2206912B1 publication Critical patent/EP2206912B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
    • F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
    • F02M61/12—Other injectors with elongated valve bodies, i.e. of needle-valve type characterised by the provision of guiding or centring means for valve bodies
    • 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
    • F02M61/167—Means for compensating clearance or thermal expansion
    • 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
EP09169850A 2009-01-13 2009-09-09 Injecteur de carburant Not-in-force EP2206912B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009000181A DE102009000181A1 (de) 2009-01-13 2009-01-13 Kraftstoff-Injektor

Publications (3)

Publication Number Publication Date
EP2206912A2 true EP2206912A2 (fr) 2010-07-14
EP2206912A3 EP2206912A3 (fr) 2010-07-21
EP2206912B1 EP2206912B1 (fr) 2011-08-03

Family

ID=42124568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09169850A Not-in-force EP2206912B1 (fr) 2009-01-13 2009-09-09 Injecteur de carburant

Country Status (4)

Country Link
US (1) US8302888B2 (fr)
EP (1) EP2206912B1 (fr)
AT (1) ATE519031T1 (fr)
DE (1) DE102009000181A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012130452A1 (fr) * 2011-03-31 2012-10-04 Fuechslin Raphael Soupape d'injection
CN104533683A (zh) * 2014-11-26 2015-04-22 中国北方发动机研究所(天津) 一种高压共轨喷油器滑阀结构
WO2016020469A1 (fr) * 2014-08-08 2016-02-11 Continental Automotive Gmbh Dispositif d'étranglement pour commander une quantité de carburant à alimenter par un injecteur de carburant et système d'injection

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012220657A1 (de) 2012-11-13 2014-05-15 Robert Bosch Gmbh Brennstoffeinspritzventil
JP6145652B2 (ja) * 2014-01-06 2017-06-14 株式会社Ｓｏｋｅｎ 燃料噴射弁
GB201412086D0 (en) * 2014-07-08 2014-08-20 Delphi International Operations Luxembourg S.�.R.L. Fuel injector for an internal combustion engine
US11506162B2 (en) * 2020-11-17 2022-11-22 Caterpillar Inc. Trapped volume split check assembly in fuel injector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690223A2 (fr) * 1994-07-01 1996-01-03 ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO Società Consortile per Azioni Dispositif d'ajustement de la levée d'aiguille d'un injecteur de combustible
WO1999049209A1 (fr) * 1998-03-26 1999-09-30 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh Unite cylindre-piston haute pression
DE102007014359A1 (de) * 2006-09-01 2008-03-06 Robert Bosch Gmbh Injektor für eine Kraftstoffeinspritzanlage
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10104618A1 (de) * 2001-02-02 2002-08-08 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
EP1273791A3 (fr) * 2001-07-03 2003-03-12 CRT Common Rail Technologies AG Soupape d'injection de combustible pour moteurs à combustion interne
DE102004024527A1 (de) * 2004-05-18 2005-12-15 Robert Bosch Gmbh Kraftstoffeinspritzeinrichtung
DE102005026514B4 (de) * 2005-02-18 2008-12-24 Robert Bosch Gmbh Einspritzdüse
DE102005059169A1 (de) * 2005-12-12 2007-06-14 Robert Bosch Gmbh Kraftstoffinjektor mit direkt betätigbarem Einspritzventilglied
JP5110321B2 (ja) * 2006-03-03 2012-12-26 ガンサー−ハイドロマグ アーゲー 内燃機関用燃料噴射バルブ
DE102006036780A1 (de) * 2006-08-07 2008-02-21 Robert Bosch Gmbh Krafstoffinjektor mit direkter Nadelsteuerung und Servoventil-Unterstützung
DE102008040680A1 (de) * 2008-07-24 2010-01-28 Robert Bosch Gmbh Kraftstoff-Injektor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690223A2 (fr) * 1994-07-01 1996-01-03 ELASIS SISTEMA RICERCA FIAT NEL MEZZOGIORNO Società Consortile per Azioni Dispositif d'ajustement de la levée d'aiguille d'un injecteur de combustible
WO1999049209A1 (fr) * 1998-03-26 1999-09-30 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh Unite cylindre-piston haute pression
DE102007014359A1 (de) * 2006-09-01 2008-03-06 Robert Bosch Gmbh Injektor für eine Kraftstoffeinspritzanlage
DE102007001363A1 (de) * 2007-01-09 2008-07-10 Robert Bosch Gmbh Injektor zum Einspritzen von Kraftstoff in Brennräume von Brennkraftmaschinen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012130452A1 (fr) * 2011-03-31 2012-10-04 Fuechslin Raphael Soupape d'injection
WO2016020469A1 (fr) * 2014-08-08 2016-02-11 Continental Automotive Gmbh Dispositif d'étranglement pour commander une quantité de carburant à alimenter par un injecteur de carburant et système d'injection
US20170226974A1 (en) * 2014-08-08 2017-08-10 Continental Automotive Gmbh Throttle device for controlling an amount of fuel to be supplied to a fuel injection nozzle, as well as an injection device
US10240566B2 (en) * 2014-08-08 2019-03-26 Continental Automotive Gmbh Throttle device for controlling an amount of fuel to be supplied to a fuel injection nozzle, as well as an injection device
CN104533683A (zh) * 2014-11-26 2015-04-22 中国北方发动机研究所(天津) 一种高压共轨喷油器滑阀结构

Also Published As

Publication number Publication date
EP2206912B1 (fr) 2011-08-03
US8302888B2 (en) 2012-11-06
EP2206912A3 (fr) 2010-07-21
ATE519031T1 (de) 2011-08-15
DE102009000181A1 (de) 2010-07-15
US20100175665A1 (en) 2010-07-15

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