DE50303869D1 - FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE - Google Patents

FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE

Info

Publication number
DE50303869D1
DE50303869D1 DE50303869T DE50303869T DE50303869D1 DE 50303869 D1 DE50303869 D1 DE 50303869D1 DE 50303869 T DE50303869 T DE 50303869T DE 50303869 T DE50303869 T DE 50303869T DE 50303869 D1 DE50303869 D1 DE 50303869D1
Authority
DE
Germany
Prior art keywords
combustion engine
internal combustion
fuel injection
injection device
fuel
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
DE50303869T
Other languages
German (de)
Inventor
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE50303869T priority Critical patent/DE50303869D1/en
Application granted granted Critical
Publication of DE50303869D1 publication Critical patent/DE50303869D1/en
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
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F02M45/086—Having more than one injection-valve controlling discharge orifices
    • 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
    • F02M2200/46—Valves, e.g. injectors, with concentric 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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/001—Control chambers formed by movable sleeves

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)
  • Fuel-Injection Apparatus (AREA)
DE50303869T 2002-10-09 2003-05-23 FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE Expired - Lifetime DE50303869D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50303869T DE50303869D1 (en) 2002-10-09 2003-05-23 FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2002146974 DE10246974A1 (en) 2002-10-09 2002-10-09 Fuel injector nozzle for use in internal combustion engine has needle and sleeve separately cutting off fuel flow to inner and outer nozzle bores
PCT/DE2003/001676 WO2004033890A1 (en) 2002-10-09 2003-05-23 Fuel injection device for an internal combustion engine
DE50303869T DE50303869D1 (en) 2002-10-09 2003-05-23 FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE

Publications (1)

Publication Number Publication Date
DE50303869D1 true DE50303869D1 (en) 2006-07-27

Family

ID=32038355

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2002146974 Withdrawn DE10246974A1 (en) 2002-10-09 2002-10-09 Fuel injector nozzle for use in internal combustion engine has needle and sleeve separately cutting off fuel flow to inner and outer nozzle bores
DE50303869T Expired - Lifetime DE50303869D1 (en) 2002-10-09 2003-05-23 FUEL INJECTION DEVICE FOR A INTERNAL COMBUSTION ENGINE

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2002146974 Withdrawn DE10246974A1 (en) 2002-10-09 2002-10-09 Fuel injector nozzle for use in internal combustion engine has needle and sleeve separately cutting off fuel flow to inner and outer nozzle bores

Country Status (3)

Country Link
EP (1) EP1552135B1 (en)
DE (2) DE10246974A1 (en)
WO (1) WO2004033890A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326043A1 (en) * 2003-06-10 2004-12-30 Robert Bosch Gmbh Injection nozzle for internal combustion engines
DE10334209A1 (en) * 2003-07-26 2005-02-10 Robert Bosch Gmbh Fuel injection device for an internal combustion engine
DE10343998A1 (en) * 2003-09-23 2005-04-14 Robert Bosch Gmbh injection
WO2005119045A1 (en) * 2004-06-03 2005-12-15 Siemens Aktiengesellschaft Injection valve
DE102004030445A1 (en) * 2004-06-24 2006-01-12 Robert Bosch Gmbh Fuel injector
DE102004032700B3 (en) * 2004-07-06 2005-10-06 Siemens Ag Fuel injector for internal combustion engine, has inner and outer valve bodies with inner and outer valve seats to seal inner and outer control rooms from fuel, where inner seat is spherically thickened with radius
DE102004036367B3 (en) * 2004-07-27 2005-10-13 Siemens Ag Fuel injection valve for internal combustion engine has body with recess for an outer jet needle, and inner jet needle in recess in outer jet needle
DE102004041172B3 (en) * 2004-08-25 2006-01-05 Siemens Ag Fuel injection valve for internal combustion engines has servo valve, body and inner and outer nozzle needles constructed so that depending upon position of outer piston of servo valve the position of outer nozzle needle is adjustable
DE102004051406B4 (en) * 2004-10-21 2008-03-20 Siemens Ag Fuel injector with a guided in the nozzle body hollow needle Registerdüse
DE102004051756A1 (en) * 2004-10-23 2006-04-27 Robert Bosch Gmbh Fuel injection valve for internal combustion engines
DE102004060550A1 (en) * 2004-12-16 2006-07-06 Robert Bosch Gmbh fuel Injector
DE102005001284A1 (en) * 2005-01-11 2006-07-20 Siemens Ag Fuel injector for internal combustion engine, has nozzle unit including needle guiding body with borehole such that inner nozzle needle is guided in borehole, and borehole is partially designed as inner needle guidances for inner needle
DE102005016796A1 (en) * 2005-04-12 2006-10-19 Robert Bosch Gmbh Two-stage fuel injector
DE102005023368B4 (en) * 2005-05-20 2008-09-11 Continental Automotive Gmbh Nozzle assembly for an injection valve and injection valve
DE102005042786B4 (en) * 2005-09-08 2009-04-16 Siemens Ag Fuel injector with hermetically sealed hydraulic system
DE102005046669A1 (en) * 2005-09-29 2007-04-05 Robert Bosch Gmbh Hole nozzle for a fuel injection device of a fuel injection system
WO2008017614A1 (en) 2006-08-09 2008-02-14 Siemens Aktiengesellschaft Fuel injection device for an internal combustion engine
DE102007011685A1 (en) 2007-03-09 2008-09-11 Robert Bosch Gmbh Fuel injector with improved control valve
JP4772016B2 (en) * 2007-09-07 2011-09-14 トヨタ自動車株式会社 Fuel injection control device for internal combustion engine
DE102014211287A1 (en) 2014-06-12 2015-12-17 Engineering Center Steyr Gmbh & Co. Kg Fluid injection device for an internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9709678D0 (en) * 1997-05-14 1997-07-02 Lucas Ind Plc Fuel injector
GB0021296D0 (en) * 2000-08-30 2000-10-18 Ricardo Consulting Eng A dual mode fuel injector
DE10122241A1 (en) * 2001-05-08 2002-12-05 Bosch Gmbh Robert Fuel injection valve for internal combustion engines
US6637675B2 (en) * 2001-07-13 2003-10-28 Cummins Inc. Rate shaping fuel injector with limited throttling

Also Published As

Publication number Publication date
EP1552135A1 (en) 2005-07-13
WO2004033890A1 (en) 2004-04-22
EP1552135B1 (en) 2006-06-14
DE10246974A1 (en) 2004-04-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition