DE50014113D1 - Common-rail-injektor - Google Patents

Common-rail-injektor

Info

Publication number
DE50014113D1
DE50014113D1 DE50014113T DE50014113T DE50014113D1 DE 50014113 D1 DE50014113 D1 DE 50014113D1 DE 50014113 T DE50014113 T DE 50014113T DE 50014113 T DE50014113 T DE 50014113T DE 50014113 D1 DE50014113 D1 DE 50014113D1
Authority
DE
Germany
Prior art keywords
chamber
pressure
injector
feed
injector housing
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 - Lifetime
Application number
DE50014113T
Other languages
English (en)
Inventor
Dieter Kienzler
Patrick Mattes
Wolfgang Stoecklein
Friedrich Boecking
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7917134&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE50014113(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE50014113D1 publication Critical patent/DE50014113D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • 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
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/16—Sealing of fuel injection apparatus not otherwise provided for
    • 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
    • F02M2200/28—Details of throttles in fuel-injection apparatus
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves
    • 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/006—Springs assisting hydraulic closing force
    • 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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
DE50014113T 1999-08-04 2000-08-02 Common-rail-injektor Expired - Lifetime DE50014113D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19936668A DE19936668A1 (de) 1999-08-04 1999-08-04 Common-Rail-Injektor
PCT/DE2000/002580 WO2001011222A1 (de) 1999-08-04 2000-08-02 Common-rail-injektor

Publications (1)

Publication Number Publication Date
DE50014113D1 true DE50014113D1 (en) 2007-04-12

Family

ID=7917134

Family Applications (3)

Application Number Title Priority Date Filing Date
DE19936668A Ceased DE19936668A1 (de) 1999-08-04 1999-08-04 Common-Rail-Injektor
DE50015444T Expired - Lifetime DE50015444D1 (de) 1999-08-04 2000-08-02 Common-Rail-Injektor
DE50014113T Expired - Lifetime DE50014113D1 (en) 1999-08-04 2000-08-02 Common-rail-injektor

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE19936668A Ceased DE19936668A1 (de) 1999-08-04 1999-08-04 Common-Rail-Injektor
DE50015444T Expired - Lifetime DE50015444D1 (de) 1999-08-04 2000-08-02 Common-Rail-Injektor

Country Status (8)

Country Link
US (1) US6705551B1 (de)
EP (2) EP1117920B1 (de)
JP (1) JP4746230B2 (de)
KR (1) KR20010075570A (de)
AT (2) ATE355455T1 (de)
CZ (1) CZ20011135A3 (de)
DE (3) DE19936668A1 (de)
WO (1) WO2001011222A1 (de)

Families Citing this family (66)

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DE10032517A1 (de) 2000-07-05 2002-01-24 Bosch Gmbh Robert Injektor mit Steuerteilführung
WO2002044546A1 (de) * 2000-11-28 2002-06-06 Siemens Aktiengesellschaft Steuerraum und steuerkolben für ein enspritzventil einer brennkraftmaschine
DE10111783B4 (de) * 2001-03-12 2005-10-20 Bosch Gmbh Robert Einspritzdüse
DE10115169A1 (de) * 2001-03-27 2002-10-17 Mtu Friedrichshafen Gmbh Modular aufgebauter Kraftstoff-Injektor
DE10121340A1 (de) * 2001-05-02 2002-11-14 Bosch Gmbh Robert Common-Rail-Injektor
DE10122245A1 (de) * 2001-05-08 2002-12-12 Bosch Gmbh Robert Leckagereduzierter druckgesteuerter Kraftstoffinjektor
DE10122256A1 (de) * 2001-05-08 2002-11-21 Bosch Gmbh Robert Kraftstoff-Einspritzvorrichtung für Brennkraftmaschinen, insbesondere Common-Rail-Injektor, sowie Kraftstoffsystem und Brennkraftmaschine
DE10123526A1 (de) * 2001-05-15 2002-11-28 Bosch Gmbh Robert Common-Rail-Injektor
DE10131953A1 (de) 2001-07-02 2003-01-23 Siemens Ag Steuermodul für einen Injektor eines Speichereinspritzsystems
DE60208615T2 (de) * 2001-09-20 2006-09-14 Denso Corp., Kariya Brennstoffeinspritzventil mit drosselnder Lochplatte
DE10152268A1 (de) * 2001-10-20 2003-04-30 Bosch Gmbh Robert Einspritzventil
DE10152253B4 (de) * 2001-10-20 2014-10-09 Robert Bosch Gmbh Ventil zum Steuern von Flüssigkeiten
DE10155187B4 (de) * 2001-11-12 2007-08-16 L'orange Gmbh Einspritzinjektor für Brennkraftmaschinen
DE10164394A1 (de) * 2001-12-28 2003-07-17 Bosch Gmbh Robert Kraftstoffeinspritzventil für eine Brennkraftmaschine
KR20040093064A (ko) 2002-02-22 2004-11-04 씨알티 커먼 레일 테크놀로지스 아게 내연 기관용 연료 분사 밸브
DE10220931C1 (de) * 2002-05-10 2003-11-27 Siemens Ag Injektor zur Kraftstoffeinspritzung
US20050087624A1 (en) * 2002-05-10 2005-04-28 Siemens Aktiengesellschaft Injector for fuel injection
US7278593B2 (en) * 2002-09-25 2007-10-09 Caterpillar Inc. Common rail fuel injector
US7331329B2 (en) * 2002-07-15 2008-02-19 Caterpillar Inc. Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same
DE10241462A1 (de) * 2002-09-06 2004-03-18 Robert Bosch Gmbh Injektor zur Einspritzung von Kraftstoff in Brennräume von Brennkraftmaschinen, insbesondere servoventilgesteuerter Common-Rail-Injektor
US7108206B2 (en) * 2002-12-04 2006-09-19 Caterpillar Inc. Valve assembly and fuel injector using same
DE10330257A1 (de) * 2003-07-04 2005-01-20 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10353169A1 (de) * 2003-11-14 2005-06-16 Robert Bosch Gmbh Injektor zur Einspritzung von Kraftstoff in Brennräume von Brennkraftmaschinen, insbesondere piezogesteuerter Common-Rail-Injektor
WO2005075810A1 (de) 2004-02-05 2005-08-18 Siemens Aktiengesellschaft Einspritzventil
DE102004051406B4 (de) * 2004-10-21 2008-03-20 Siemens Ag Kraftstoffinjektor mit einer im Düsenkörper geführten Hohlnadel einer Registerdüse
DE102006009659A1 (de) * 2005-07-25 2007-02-01 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung
DE102005035347B3 (de) 2005-07-28 2006-08-10 L'orange Gmbh Kraftstoffinjektor
DE102005054739B4 (de) * 2005-11-17 2017-06-08 Robert Bosch Gmbh Injektor zur Einspritzung von Kraftstoff in Brennräume von Brennkraftmaschinen, insbesondere piezoaktorgesteuerter Common-Rail-Injektor
DE102006026877A1 (de) * 2006-06-09 2007-12-13 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung für eine Brennkraftmaschine
DE102006029392A1 (de) * 2006-06-27 2008-01-03 Robert Bosch Gmbh Injektor
DE102006036447A1 (de) * 2006-08-04 2008-02-07 Robert Bosch Gmbh Injektor für ein Kraftstoffeinspritzsystem
DE102006050163A1 (de) * 2006-10-25 2008-04-30 Robert Bosch Gmbh Injektor mit axial-druckausgeglichenem Steuerventil
US7770818B2 (en) 2007-02-08 2010-08-10 Denso Corporation Fuel injection valve
JP4400670B2 (ja) * 2007-02-08 2010-01-20 株式会社デンソー 燃料噴射弁
DE102007029793A1 (de) 2007-06-27 2008-07-17 L'orange Gmbh Kraftstoffinjektor
DE102007035752A1 (de) * 2007-07-31 2009-02-05 Robert Bosch Gmbh Kraftstoffinjektor mit einer auf dem Kegelventilsitz einer Düsennadel aufsitzenden Zentrierhülse als Führung für die Düsennadel
JP2009091964A (ja) * 2007-10-05 2009-04-30 Yanmar Co Ltd 燃料噴射装置のインジェクタ
US7963464B2 (en) * 2008-01-23 2011-06-21 Caterpillar Inc. Fuel injector and method of assembly therefor
DE102008001330A1 (de) * 2008-04-23 2009-10-29 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
JP4962872B2 (ja) * 2008-07-14 2012-06-27 株式会社デンソー 燃料噴射装置
DE102008041165A1 (de) * 2008-08-11 2010-02-18 Robert Bosch Gmbh Einspritzventilglied
US9163597B2 (en) * 2008-10-01 2015-10-20 Caterpillar Inc. High-pressure containment sleeve for nozzle assembly and fuel injector using same
DE102009007379A1 (de) * 2009-02-04 2010-08-19 Continental Automotive Gmbh Einspritzventil
JP5120293B2 (ja) * 2009-02-20 2013-01-16 株式会社デンソー 燃料噴射弁
JP5321477B2 (ja) * 2009-02-27 2013-10-23 株式会社デンソー インジェクタ
JP5549293B2 (ja) * 2010-03-15 2014-07-16 株式会社デンソー 燃料噴射装置
WO2012009673A1 (en) * 2010-07-15 2012-01-19 Cummins Intellectual Properties, Inc. Fuel injector having balanced and guided plunger
US8602319B2 (en) * 2010-10-07 2013-12-10 Caterpillar Inc. Needle valve member with frustoconical guide segment and fuel injector using same
JP5304861B2 (ja) * 2010-12-17 2013-10-02 株式会社デンソー 燃料噴射装置
DE102010064039A1 (de) * 2010-12-23 2012-06-28 Robert Bosch Gmbh Brennstoffeinspritzventil
CN102330627A (zh) * 2011-10-16 2012-01-25 中国兵器工业集团第七0研究所 一种用于水平双对置柴油机的共轨喷油器喷油嘴
DE102011086339A1 (de) * 2011-11-15 2013-05-16 Robert Bosch Gmbh Kraftstoffinjektor, insbesondere Common-Rail-Injektor
DE102012220025A1 (de) * 2012-06-29 2014-01-02 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DK177669B1 (da) 2012-09-25 2014-02-10 Hans Jensen Lubricators As Injektionsdyse til brug ved olieinjicering af olie for smøring af cylindre i større motorer samt anvendelse heraf
EP2722518A1 (de) * 2012-10-22 2014-04-23 Delphi International Operations Luxembourg S.à r.l. Kraftstoffeinspritzdüse mit einem Drosselement
DE102013212269A1 (de) * 2013-06-26 2014-12-31 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
GB201402921D0 (en) * 2014-02-19 2014-04-02 Delphi Int Operations Luxembourg Sarl Fuel injector
DE102014209961A1 (de) * 2014-05-26 2015-11-26 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor
DE102014209997A1 (de) 2014-05-26 2015-11-26 Robert Bosch Gmbh Common-Rail-Injektor
DE102014211351A1 (de) * 2014-06-13 2015-12-17 Robert Bosch Gmbh Düsenbaugruppe für einen Kraftstoffinjektor sowie Kraftstoffinjektor
DE102014226407A1 (de) 2014-12-18 2016-06-23 Robert Bosch Gmbh Einspritzdüse für Kraftstoffe
WO2016188577A1 (de) 2015-05-28 2016-12-01 Robert Bosch Gmbh Common-rail-injektor
CN108397325A (zh) * 2018-02-09 2018-08-14 中国第汽车股份有限公司 一种共轨喷油器节流控制阀
CN109555620B (zh) * 2018-10-22 2023-09-22 中船动力研究院有限公司 带有自动保护装置的燃气喷射阀及其工作方法
GB2580624B (en) * 2019-01-17 2021-09-15 Delphi Tech Ip Ltd Fuel injector
DE102020215276A1 (de) * 2020-12-03 2022-06-23 Mahle International Gmbh Ventilkörper für ein Expansionsventil

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Also Published As

Publication number Publication date
JP4746230B2 (ja) 2011-08-10
KR20010075570A (ko) 2001-08-09
EP1117920B1 (de) 2007-02-28
DE50015444D1 (de) 2008-12-18
EP1772618A1 (de) 2007-04-11
EP1117920A1 (de) 2001-07-25
JP2003506622A (ja) 2003-02-18
ATE413526T1 (de) 2008-11-15
DE19936668A1 (de) 2001-02-22
ATE355455T1 (de) 2006-03-15
WO2001011222A1 (de) 2001-02-15
US6705551B1 (en) 2004-03-16
CZ20011135A3 (cs) 2002-01-16
EP1772618B1 (de) 2008-11-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings