JP2004204850A - 内燃機関のための燃料噴射弁 - Google Patents

内燃機関のための燃料噴射弁 Download PDF

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Publication number
JP2004204850A
JP2004204850A JP2003425670A JP2003425670A JP2004204850A JP 2004204850 A JP2004204850 A JP 2004204850A JP 2003425670 A JP2003425670 A JP 2003425670A JP 2003425670 A JP2003425670 A JP 2003425670A JP 2004204850 A JP2004204850 A JP 2004204850A
Authority
JP
Japan
Prior art keywords
blind hole
contact surface
valve
fuel injection
ring groove
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.)
Withdrawn
Application number
JP2003425670A
Other languages
English (en)
Japanese (ja)
Inventor
Andreas Koeninger
ケーニンガー アンドレーアス
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 JP2004204850A publication Critical patent/JP2004204850A/ja
Withdrawn legal-status Critical Current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
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
JP2003425670A 2002-12-23 2003-12-22 内燃機関のための燃料噴射弁 Withdrawn JP2004204850A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2002160724 DE10260724A1 (de) 2002-12-23 2002-12-23 Kraftstoffeinspritzventil für Brennkraftmaschinen

Publications (1)

Publication Number Publication Date
JP2004204850A true JP2004204850A (ja) 2004-07-22

Family

ID=32404212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003425670A Withdrawn JP2004204850A (ja) 2002-12-23 2003-12-22 内燃機関のための燃料噴射弁

Country Status (4)

Country Link
EP (1) EP1433951A1 (de)
JP (1) JP2004204850A (de)
CN (1) CN1510268A (de)
DE (1) DE10260724A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005451A1 (de) * 2004-02-04 2005-08-25 Robert Bosch Gmbh Kraftstoffeinspritzsystem für Brennkraftmaschinen
DE102005038444A1 (de) * 2005-05-02 2006-11-09 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102005054927A1 (de) * 2005-11-17 2007-05-31 Siemens Ag Kraftstoffinjektor mit verbesserter Einspritzmengenstabilität
DE102006029392A1 (de) * 2006-06-27 2008-01-03 Robert Bosch Gmbh Injektor
DE102008000171B4 (de) * 2007-01-31 2017-04-06 Denso Corporation Injektor und Plattenbauteil für diesen
DE102007017126A1 (de) * 2007-04-11 2008-10-16 Robert Bosch Gmbh Einspritzmodul
DE102008040381A1 (de) * 2008-07-14 2010-01-21 Robert Bosch Gmbh Hochdruckfester Kraftstoffinjektor
DE102010043110A1 (de) * 2009-12-21 2011-06-22 Robert Bosch GmbH, 70469 Kraftstoffeinspritzventil für Brennkraftmaschinen
JP5375762B2 (ja) 2010-07-14 2013-12-25 株式会社デンソー 燃料噴射装置
DE102011078429A1 (de) * 2011-06-30 2013-01-03 Robert Bosch Gmbh Brennstoffeinspritzventil
CN104265534B (zh) * 2014-08-05 2017-05-03 中国第一汽车股份有限公司无锡油泵油嘴研究所 一种喷油速率可变共轨系统喷油器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10008554A1 (de) * 2000-02-24 2001-08-30 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE10024703A1 (de) * 2000-05-18 2001-11-22 Bosch Gmbh Robert Einspritzanordnung für ein Kraftstoff-Speichereinspritzsystem einer Verbrennungsmaschine

Also Published As

Publication number Publication date
CN1510268A (zh) 2004-07-07
EP1433951A1 (de) 2004-06-30
DE10260724A1 (de) 2004-07-01

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