DE50305850D1 - Kraftstoffeinspritzventil für brennkraftmaschinen - Google Patents

Kraftstoffeinspritzventil für brennkraftmaschinen

Info

Publication number
DE50305850D1
DE50305850D1 DE50305850T DE50305850T DE50305850D1 DE 50305850 D1 DE50305850 D1 DE 50305850D1 DE 50305850 T DE50305850 T DE 50305850T DE 50305850 T DE50305850 T DE 50305850T DE 50305850 D1 DE50305850 D1 DE 50305850D1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection valve
combustion engines
engines
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
DE50305850T
Other languages
English (en)
Inventor
Wilhelm Christ
Bernd Dittus
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
Priority claimed from DE10318989A external-priority patent/DE10318989A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE50305850T priority Critical patent/DE50305850D1/de
Application granted granted Critical
Publication of DE50305850D1 publication Critical patent/DE50305850D1/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
    • F02M61/16—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
    • F02M61/1873—Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal
    • 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
    • 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
    • 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
    • F02M61/1866—Valve seats or member ends having multiple cones
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
DE50305850T 2002-05-18 2003-05-15 Kraftstoffeinspritzventil für brennkraftmaschinen Expired - Lifetime DE50305850D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50305850T DE50305850D1 (de) 2002-05-18 2003-05-15 Kraftstoffeinspritzventil für brennkraftmaschinen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10222209 2002-05-18
DE10318989A DE10318989A1 (de) 2002-05-18 2003-04-25 Kraftstoffeinspritzventil für Brennkraftmaschinen
PCT/DE2003/001579 WO2003098031A1 (de) 2002-05-18 2003-05-15 Kraftstoffeinspritzventil für brennkraftmaschinen
DE50305850T DE50305850D1 (de) 2002-05-18 2003-05-15 Kraftstoffeinspritzventil für brennkraftmaschinen

Publications (1)

Publication Number Publication Date
DE50305850D1 true DE50305850D1 (de) 2007-01-11

Family

ID=29550935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50305850T Expired - Lifetime DE50305850D1 (de) 2002-05-18 2003-05-15 Kraftstoffeinspritzventil für brennkraftmaschinen

Country Status (5)

Country Link
US (1) US7100847B2 (de)
EP (1) EP1509693B1 (de)
JP (1) JP2005526212A (de)
DE (1) DE50305850D1 (de)
WO (1) WO2003098031A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10245573A1 (de) * 2002-09-27 2004-04-08 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102005025135A1 (de) * 2005-06-01 2006-12-07 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
US7578450B2 (en) 2005-08-25 2009-08-25 Caterpillar Inc. Fuel injector with grooved check member
US7360722B2 (en) 2005-08-25 2008-04-22 Caterpillar Inc. Fuel injector with grooved check member
DE102006052817A1 (de) * 2006-11-09 2008-05-15 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102008031271B4 (de) * 2008-07-02 2011-07-28 Continental Automotive GmbH, 30165 Düsenbaugruppe für ein Einspritzventil
JP2010053796A (ja) * 2008-08-29 2010-03-11 Hitachi Ltd 燃料噴射弁
US8602319B2 (en) 2010-10-07 2013-12-10 Caterpillar Inc. Needle valve member with frustoconical guide segment and fuel injector using same
IT1403006B1 (it) * 2010-12-06 2013-09-27 O M T Ohg Torino S P A Polverizzatore ad elevata vita operativa per iniettori meccanici ad alta pressione operanti con combustibile pesante
EP3006735B1 (de) * 2014-10-10 2017-08-30 Siemens Aktiengesellschaft Unterwasservorrichtung zum Bereitstellen eines unter Druck stehenden Fluids
JP6354519B2 (ja) * 2014-10-23 2018-07-11 株式会社デンソー 燃料噴射弁
US10415527B2 (en) * 2015-01-30 2019-09-17 Hitachi Automotive Systems, Ltd. Fuel injection valve
KR101986973B1 (ko) * 2019-03-07 2019-06-07 이수철 이중 접촉면을 가지는 연료분사밸브
DE102019210551A1 (de) * 2019-07-17 2021-01-21 Robert Bosch Gmbh Kraftstoffinjektor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1952816A (en) * 1931-04-04 1934-03-27 Bendix Res Corp Fuel injector
GB702797A (en) * 1950-11-13 1954-01-20 Rudolf L Orange Improvements in or relating to fuel-injection nozzles for internal combustion engines
JPS61118556A (ja) * 1984-11-14 1986-06-05 Toyota Central Res & Dev Lab Inc 間欠式渦巻噴射弁
DE3624476A1 (de) * 1986-07-19 1988-01-28 Bosch Gmbh Robert Einspritzventil
DE3719459A1 (de) * 1987-06-11 1988-12-29 Bosch Gmbh Robert Kraftstoff-einspritzduese fuer brennkraftmaschinen
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
JP3144136B2 (ja) * 1993-03-31 2001-03-12 株式会社デンソー 三方電磁弁
JP4221898B2 (ja) * 2000-02-29 2009-02-12 株式会社デンソー 燃料噴射ノズル
IT1319988B1 (it) * 2000-03-21 2003-11-12 Fiat Ricerche Spina di chiusura di un ugello in un iniettore di combustibile permotori a combustione interna.

Also Published As

Publication number Publication date
WO2003098031A1 (de) 2003-11-27
US20050178860A1 (en) 2005-08-18
US7100847B2 (en) 2006-09-05
JP2005526212A (ja) 2005-09-02
EP1509693A1 (de) 2005-03-02
EP1509693B1 (de) 2006-11-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition