EP1609979A3 - Injecteur pour ensemble d'injection de combustible - Google Patents

Injecteur pour ensemble d'injection de combustible Download PDF

Info

Publication number
EP1609979A3
EP1609979A3 EP05012225A EP05012225A EP1609979A3 EP 1609979 A3 EP1609979 A3 EP 1609979A3 EP 05012225 A EP05012225 A EP 05012225A EP 05012225 A EP05012225 A EP 05012225A EP 1609979 A3 EP1609979 A3 EP 1609979A3
Authority
EP
European Patent Office
Prior art keywords
pressure fuel
longitudinal hole
fuel passage
groove
low
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
EP05012225A
Other languages
German (de)
English (en)
Other versions
EP1609979B1 (fr
EP1609979A2 (fr
Inventor
Tooru c/o Denso Corporation Taguchi
Shuichi c/o Denso Corporation Matsumoto
Shougo c/o Denso Corporation Oodaira
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Publication of EP1609979A2 publication Critical patent/EP1609979A2/fr
Publication of EP1609979A3 publication Critical patent/EP1609979A3/fr
Application granted granted Critical
Publication of EP1609979B1 publication Critical patent/EP1609979B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M61/168—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
    • F02M47/025—Hydraulically 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
    • 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
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves
    • 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
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
EP20050012225 2004-06-21 2005-06-07 Injecteur pour ensemble d'injection de combustible Expired - Fee Related EP1609979B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004182252 2004-06-21
JP2004182252A JP4114641B2 (ja) 2004-06-21 2004-06-21 燃料噴射装置のインジェクタ

Publications (3)

Publication Number Publication Date
EP1609979A2 EP1609979A2 (fr) 2005-12-28
EP1609979A3 true EP1609979A3 (fr) 2008-08-27
EP1609979B1 EP1609979B1 (fr) 2010-11-03

Family

ID=34977069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050012225 Expired - Fee Related EP1609979B1 (fr) 2004-06-21 2005-06-07 Injecteur pour ensemble d'injection de combustible

Country Status (4)

Country Link
EP (1) EP1609979B1 (fr)
JP (1) JP4114641B2 (fr)
CN (1) CN100390401C (fr)
DE (1) DE602005024481D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06317429A (ja) * 1993-02-24 1994-11-15 Internatl Business Mach Corp <Ibm> 知的トラベル・メイト
JP6988352B2 (ja) 2017-10-11 2022-01-05 株式会社デンソー 燃料ポンプ
CN109209712B (zh) * 2018-10-30 2024-03-19 中船动力研究院有限公司 一种喷油器及燃油喷射系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815260A1 (de) * 1968-12-18 1970-07-09 Bosch Gmbh Robert Kraftstoffeinspritzventil
GB2072306A (en) * 1980-03-20 1981-09-30 Bosch Gmbh Robert Electromagnetically actuable valve
US4957085A (en) * 1989-02-16 1990-09-18 Anatoly Sverdlin Fuel injection system for internal combustion engines
WO2001053692A2 (fr) * 2000-01-22 2001-07-26 Robert Bosch Gmbh Dispositif et procede pour mettre a disposition une pression de systeme dans un dispositif d"injection
DE10160191A1 (de) * 2001-12-07 2003-06-26 Bosch Gmbh Robert Kraftstoffinjektor mit fremdbetätigtem Steller und optimierter Systemdruckversorgung
EP1388666A1 (fr) * 2002-08-07 2004-02-11 Toyota Jidosha Kabushiki Kaisha Dispositif d'injection de carburant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3274303B2 (ja) * 1994-12-16 2002-04-15 愛三工業株式会社 電磁式燃料噴射弁
JPH10331742A (ja) * 1997-06-03 1998-12-15 Nissan Motor Co Ltd エンジンの燃料噴射弁
JP2001140726A (ja) * 1998-12-09 2001-05-22 Denso Corp 弁装置およびそれを用いた燃料噴射装置
FR2815085B1 (fr) * 2000-10-05 2005-07-08 Denso Corp Structure perfectionnee d'injecteur de carburant destinee a eviter l'injection d'une quantite excessive de carburant
FR2819021B1 (fr) 2000-12-28 2005-03-04 Denso Corp Soupape de commande hydraulique et injecteur de carburant utilisant une telle soupape
JP4304895B2 (ja) 2000-12-28 2009-07-29 株式会社デンソー 油圧制御弁および燃料噴射弁

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1815260A1 (de) * 1968-12-18 1970-07-09 Bosch Gmbh Robert Kraftstoffeinspritzventil
GB2072306A (en) * 1980-03-20 1981-09-30 Bosch Gmbh Robert Electromagnetically actuable valve
US4957085A (en) * 1989-02-16 1990-09-18 Anatoly Sverdlin Fuel injection system for internal combustion engines
WO2001053692A2 (fr) * 2000-01-22 2001-07-26 Robert Bosch Gmbh Dispositif et procede pour mettre a disposition une pression de systeme dans un dispositif d"injection
DE10160191A1 (de) * 2001-12-07 2003-06-26 Bosch Gmbh Robert Kraftstoffinjektor mit fremdbetätigtem Steller und optimierter Systemdruckversorgung
EP1388666A1 (fr) * 2002-08-07 2004-02-11 Toyota Jidosha Kabushiki Kaisha Dispositif d'injection de carburant

Also Published As

Publication number Publication date
CN100390401C (zh) 2008-05-28
EP1609979B1 (fr) 2010-11-03
DE602005024481D1 (de) 2010-12-16
JP2006002722A (ja) 2006-01-05
EP1609979A2 (fr) 2005-12-28
CN1712695A (zh) 2005-12-28
JP4114641B2 (ja) 2008-07-09

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