DE502004011535D1 - FUEL INJECTOR WITH DIRECT NEEDLE CONTROL - Google Patents

FUEL INJECTOR WITH DIRECT NEEDLE CONTROL

Info

Publication number
DE502004011535D1
DE502004011535D1 DE502004011535T DE502004011535T DE502004011535D1 DE 502004011535 D1 DE502004011535 D1 DE 502004011535D1 DE 502004011535 T DE502004011535 T DE 502004011535T DE 502004011535 T DE502004011535 T DE 502004011535T DE 502004011535 D1 DE502004011535 D1 DE 502004011535D1
Authority
DE
Germany
Prior art keywords
fuel injector
needle control
direct needle
direct
control
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.)
Active
Application number
DE502004011535T
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
Publication of DE502004011535D1 publication Critical patent/DE502004011535D1/en
Active 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
    • F02M51/00—Fuel-injection apparatus characterised by being operated electrically
    • F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
    • F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
    • 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
    • F02M2200/21—Fuel-injection apparatus with piezoelectric or magnetostrictive elements
    • 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
    • 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)
  • Fuel-Injection Apparatus (AREA)
DE502004011535T 2004-01-16 2004-11-19 FUEL INJECTOR WITH DIRECT NEEDLE CONTROL Active DE502004011535D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410002309 DE102004002309A1 (en) 2004-01-16 2004-01-16 Fuel injector with direct needle spreader
PCT/DE2004/002553 WO2005068820A1 (en) 2004-01-16 2004-11-19 Fuel injector with direct needle control

Publications (1)

Publication Number Publication Date
DE502004011535D1 true DE502004011535D1 (en) 2010-09-23

Family

ID=34716617

Family Applications (2)

Application Number Title Priority Date Filing Date
DE200410002309 Withdrawn DE102004002309A1 (en) 2004-01-16 2004-01-16 Fuel injector with direct needle spreader
DE502004011535T Active DE502004011535D1 (en) 2004-01-16 2004-11-19 FUEL INJECTOR WITH DIRECT NEEDLE CONTROL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE200410002309 Withdrawn DE102004002309A1 (en) 2004-01-16 2004-01-16 Fuel injector with direct needle spreader

Country Status (3)

Country Link
EP (1) EP1709319B1 (en)
DE (2) DE102004002309A1 (en)
WO (1) WO2005068820A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005452B4 (en) * 2004-02-04 2014-01-09 Robert Bosch Gmbh Nozzle holder combination with direct-operated injection valve member
DE102004044462A1 (en) * 2004-09-15 2006-03-30 Robert Bosch Gmbh Control valve for an injector
DE102006012078A1 (en) * 2005-11-15 2007-05-16 Bosch Gmbh Robert Fuel injection device for an internal combustion engine with direct fuel injection
DE102006053126A1 (en) * 2006-11-10 2008-05-15 Robert Bosch Gmbh Fuel injector
DE102007001363A1 (en) 2007-01-09 2008-07-10 Robert Bosch Gmbh Injector for injecting fuel into combustion chambers of internal combustion engines
DE102009000830A1 (en) * 2009-02-13 2010-08-19 Robert Bosch Gmbh Fuel injector with length-adjustable coupler concept
DE102009045348A1 (en) * 2009-10-06 2011-04-07 Robert Bosch Gmbh Fuel injection valve and its manufacture
DE102012005319A1 (en) * 2012-03-19 2013-09-19 L'orange Gmbh Injector assembly for fuel injector of motor vehicle, has actuating element that generates pressure in fluid, which is increased with respect to system high pressure, where injector assembly is formed to be effective against pressure force

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2636410B2 (en) * 1989-03-27 1997-07-30 トヨタ自動車株式会社 Fuel supply pump control device for internal combustion engine
DE19642441A1 (en) * 1996-10-15 1998-04-16 Bosch Gmbh Robert Method for actuating a fuel injection valve for internal combustion engines
DE10203657A1 (en) * 2002-01-30 2003-08-28 Bosch Gmbh Robert Fuel injector
DE10213858A1 (en) * 2002-03-27 2003-10-30 Bosch Gmbh Robert Fuel injector
DE10232193A1 (en) * 2002-07-16 2004-02-05 Robert Bosch Gmbh Fuel injector
DE10343086A1 (en) * 2003-09-17 2005-05-19 Robert Bosch Gmbh Brenntoffeinspritzventil

Also Published As

Publication number Publication date
WO2005068820A1 (en) 2005-07-28
EP1709319A1 (en) 2006-10-11
EP1709319B1 (en) 2010-08-11
DE102004002309A1 (en) 2005-08-04

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