EP0906508B1 - A fuel injector for an internal combustion engine - Google Patents

A fuel injector for an internal combustion engine Download PDF

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Publication number
EP0906508B1
EP0906508B1 EP97925918A EP97925918A EP0906508B1 EP 0906508 B1 EP0906508 B1 EP 0906508B1 EP 97925918 A EP97925918 A EP 97925918A EP 97925918 A EP97925918 A EP 97925918A EP 0906508 B1 EP0906508 B1 EP 0906508B1
Authority
EP
European Patent Office
Prior art keywords
spindle
fuel
guide
section
injector
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
EP97925918A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0906508A1 (en
Inventor
Finn Quordrup Jensen
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.)
MAN B&W Diesel AS
Original Assignee
MAN B&W Diesel AS
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 MAN B&W Diesel AS filed Critical MAN B&W Diesel AS
Publication of EP0906508A1 publication Critical patent/EP0906508A1/en
Application granted granted Critical
Publication of EP0906508B1 publication Critical patent/EP0906508B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F02M61/04—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
    • F02M61/04—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
    • 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
    • F02M61/20—Closing valves mechanically, e.g. arrangements of springs or weights or permanent magnets; Damping of valve lift
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
EP97925918A 1996-06-20 1997-06-18 A fuel injector for an internal combustion engine Expired - Lifetime EP0906508B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK199600682A DK174075B1 (da) 1996-06-20 1996-06-20 Brændselsinjektor til en forbrændingsmotor
DK68296 1996-06-20
PCT/DK1997/000263 WO1997048901A1 (en) 1996-06-20 1997-06-18 A fuel injector for an internal combustion engine

Publications (2)

Publication Number Publication Date
EP0906508A1 EP0906508A1 (en) 1999-04-07
EP0906508B1 true EP0906508B1 (en) 2002-04-24

Family

ID=8096343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97925918A Expired - Lifetime EP0906508B1 (en) 1996-06-20 1997-06-18 A fuel injector for an internal combustion engine

Country Status (12)

Country Link
EP (1) EP0906508B1 (no)
JP (1) JP3301616B2 (no)
KR (1) KR100427569B1 (no)
CN (1) CN1074089C (no)
DE (1) DE69712201T2 (no)
DK (1) DK174075B1 (no)
ES (1) ES2176745T3 (no)
NO (1) NO322670B1 (no)
PL (1) PL183912B1 (no)
RU (1) RU2177560C2 (no)
UA (1) UA41479C2 (no)
WO (1) WO1997048901A1 (no)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0961024B1 (de) * 1998-05-29 2010-01-13 Wärtsilä Schweiz AG Brennstoffeinspritzdüse
DE19902282A1 (de) * 1999-01-21 2000-08-17 Siemens Ag Injektor für eine Einspritzanlage einer Brennkraftmaschine
DE19959304A1 (de) * 1999-12-09 2001-06-13 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmschinen
DE10129308C1 (de) * 2001-06-18 2002-11-28 Man B & W Diesel As Kopenhagen Vorrichtung zur Brennstoffversorgung von Brennkraftmaschinen
KR100444857B1 (ko) * 2001-10-16 2004-08-21 현대자동차주식회사 디젤 엔진용 연료 분사 노즐
FR2911665B1 (fr) * 2007-01-22 2009-04-17 Hispano Suiza Sa Injecteur de carburant a deux etages.
KR20090012056A (ko) * 2007-07-27 2009-02-02 베르트질레 슈바이츠 악티엔게젤샤프트 연료용 분사 노즐
KR200446411Y1 (ko) * 2008-02-28 2009-10-27 두산엔진주식회사 저속 디젤엔진용 연료분사 밸브
KR100940727B1 (ko) 2008-05-30 2010-02-08 두산엔진주식회사 저속 디젤엔진용 연료분사 밸브
CN101592109B (zh) * 2009-06-11 2012-06-06 余姚市舒春机械有限公司 船用柴油机喷油器的双针阀偶件的制造工艺
DK201000309A (en) * 2010-04-15 2011-10-16 Man Diesel & Turbo Filial Tyskland A fuel valve for large two stroke diesel engines
CH702496B1 (de) 2010-05-07 2011-07-15 Liebherr Machines Bulle Sa Hochdruckinjektor.
AU2011274313B2 (en) * 2010-06-30 2015-05-07 Orbital Australia Pty Ltd Fuel injection assembly
CN102748177B (zh) * 2012-07-26 2015-06-03 余姚市舒春机械有限公司 一种长针式船用柴油机喷油器总成
CN102748178A (zh) * 2012-07-26 2012-10-24 余姚市舒春机械有限公司 一种船用柴油机喷油器总成
CN103670859B (zh) * 2012-09-12 2016-08-03 北京亚新科天纬油泵油嘴股份有限公司 喷射器的喷射嘴
CN104265533B (zh) * 2014-07-31 2016-08-24 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种共轨喷油器
CN106321315A (zh) * 2016-11-24 2017-01-11 余姚市舒春机械有限公司 一种船用大功率柴油机喷射装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2030445A1 (de) * 1970-06-20 1972-01-27 Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Einspritzdüse
DE2127460C3 (de) * 1971-06-03 1973-11-22 Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg Rotationssymmetrisch gebaute Brennstoffeinspritzdüse
US4509691A (en) * 1982-07-15 1985-04-09 Lucas Industries Public Limited Company Fuel injection nozzles
DK155757C (da) * 1985-08-01 1989-09-25 Man B & W Diesel As Braendstofinjektor til en dieselmotor, der drives paa gas
DK167502B1 (da) * 1991-10-04 1993-11-08 Man B & W Diesel Gmbh Braendselsinjektor til forbraendingsmotorer
DK171975B1 (da) * 1994-02-07 1997-09-01 Man B & W Diesel Gmbh Brændselsinjektor til en stor totakts forbrændingsmotor

Also Published As

Publication number Publication date
CN1222221A (zh) 1999-07-07
ES2176745T3 (es) 2002-12-01
JP3301616B2 (ja) 2002-07-15
KR20000016779A (ko) 2000-03-25
CN1074089C (zh) 2001-10-31
DE69712201T2 (de) 2002-10-02
KR100427569B1 (ko) 2004-07-31
NO986015D0 (no) 1998-12-21
PL330812A1 (en) 1999-06-07
DE69712201D1 (de) 2002-05-29
DK68296A (da) 1997-12-21
WO1997048901A1 (en) 1997-12-24
JP2000505172A (ja) 2000-04-25
UA41479C2 (uk) 2001-09-17
RU2177560C2 (ru) 2001-12-27
NO986015L (no) 1998-12-21
NO322670B1 (no) 2006-11-20
PL183912B1 (pl) 2002-08-30
EP0906508A1 (en) 1999-04-07
DK174075B1 (da) 2002-05-21

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