DE60025133D1 - Kraftstoffeinspritzventil - Google Patents

Kraftstoffeinspritzventil

Info

Publication number
DE60025133D1
DE60025133D1 DE60025133T DE60025133T DE60025133D1 DE 60025133 D1 DE60025133 D1 DE 60025133D1 DE 60025133 T DE60025133 T DE 60025133T DE 60025133 T DE60025133 T DE 60025133T DE 60025133 D1 DE60025133 D1 DE 60025133D1
Authority
DE
Germany
Prior art keywords
volume
fuel
piston member
piezoelectric stack
fuel injection
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
DE60025133T
Other languages
English (en)
Other versions
DE60025133T2 (de
Inventor
Michael Peter Cooke
Martin Paul Hardy
Andrew John Hargreaves
Malcolm David Dick Lambert
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of DE60025133D1 publication Critical patent/DE60025133D1/de
Application granted granted Critical
Publication of DE60025133T2 publication Critical patent/DE60025133T2/de
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
    • 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
    • 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
    • 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
    • F02M51/005—Arrangement of electrical wires and connections, e.g. wire harness, sockets, plugs; Arrangement of electronic control circuits in or on fuel injection apparatus
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/002—Arrangement of leakage or drain conduits in or from injectors
    • 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
    • F02M61/08—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 the valves opening in direction of fuel flow
    • 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
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means

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)
DE60025133T 1999-10-29 2000-10-26 Kraftstoffeinspritzventil Expired - Lifetime DE60025133T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9925753 1999-10-29
GBGB9925753.7A GB9925753D0 (en) 1999-10-29 1999-10-29 Fuel injector

Publications (2)

Publication Number Publication Date
DE60025133D1 true DE60025133D1 (de) 2006-02-02
DE60025133T2 DE60025133T2 (de) 2006-08-24

Family

ID=10863692

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60025133T Expired - Lifetime DE60025133T2 (de) 1999-10-29 2000-10-26 Kraftstoffeinspritzventil

Country Status (5)

Country Link
US (1) US6390385B1 (de)
EP (1) EP1096136B1 (de)
AT (1) ATE314574T1 (de)
DE (1) DE60025133T2 (de)
GB (1) GB9925753D0 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9923823D0 (en) 1999-10-09 1999-12-08 Lucas Industries Ltd Fuel injector
DE60126380T2 (de) * 2000-07-18 2007-11-15 Delphi Technologies, Inc., Troy Kraftstoffeinspritzventil
GB0107575D0 (en) * 2001-03-27 2001-05-16 Delphi Tech Inc Control valve arrangement
US7252249B2 (en) * 2002-02-22 2007-08-07 Delphi Technologies, Inc. Solenoid-type fuel injector assembly having stabilized ferritic stainless steel components
US7165731B2 (en) * 2002-07-31 2007-01-23 Caterpillar Inc Dual travel seated pin valve assembly
EP1445470A1 (de) * 2003-01-24 2004-08-11 Siemens VDO Automotive S.p.A. Dosiervorrichtung mit Steckanschluss
DE10310790A1 (de) * 2003-03-12 2004-09-23 Robert Bosch Gmbh Brennstoffeinspritzventil
DE10318639A1 (de) * 2003-04-24 2004-11-11 Robert Bosch Gmbh Brennstoffeinspritzventil
DE10346243A1 (de) * 2003-10-06 2005-04-28 Bosch Gmbh Robert Hochdruckzulauf für ein Common Rail Injektor
DE10346242B4 (de) * 2003-10-06 2012-04-12 Robert Bosch Gmbh Injektorkörper für einen Common Rail Injektor
ITMI20031927A1 (it) * 2003-10-07 2005-04-08 Med S P A Elettroiniettore perfezionato per combustibile gassoso.
DE10352736A1 (de) * 2003-11-12 2005-07-07 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadeleinspritzung
DE602004001125T2 (de) * 2004-03-11 2007-01-04 Delphi Technologies, Inc., Troy Verfahren zum Zusammenbau eines Kraftstoffeinspritzventils
DE602004012231T2 (de) 2004-05-14 2009-03-12 Delphi Technologies, Inc., Troy Steckverbinderanordnung
DE102005004738A1 (de) * 2005-02-02 2006-08-10 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadelsteuerung für eine Brennkraftmaschine
DE602005011186D1 (de) * 2005-02-03 2009-01-02 Delphi Tech Inc Piezoelektrischer Aktor
DE102005008717A1 (de) * 2005-02-25 2006-08-31 Robert Bosch Gmbh Aktormodul mit einem Piezoaktor
DE102005008718A1 (de) * 2005-02-25 2006-08-31 Robert Bosch Gmbh Aktormodul mit einem Piezoaktor
DE102005015735A1 (de) * 2005-04-06 2006-10-12 Robert Bosch Gmbh Brennstoffeinspritzventil
DE102005024049A1 (de) * 2005-05-25 2006-11-30 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, insbesondere für eine Brennkraftmaschine mit Kraftstoff-Direkteinspritzung
US7900604B2 (en) * 2005-06-16 2011-03-08 Siemens Diesel Systems Technology Dampening stop pin
US7140353B1 (en) * 2005-06-28 2006-11-28 Cummins Inc. Fuel injector with piezoelectric actuator preload
US7497203B2 (en) * 2005-08-03 2009-03-03 Caterpillar Inc. Avoidance of spark damage on valve members
DE102005051438A1 (de) * 2005-10-27 2007-05-03 Daimlerchrysler Ag Kraftstoffinjektor für eine Brennkraftmaschine
DE102006036106A1 (de) * 2006-08-02 2008-02-07 Siemens Ag Kontaktvorrichtung und Verfahren zum Herstellen einer Kontaktvorrichtung zur elektrischen Kontaktierung eines Piezo-Aktors eines Injektors
US8002206B2 (en) 2006-12-29 2011-08-23 Caterpillar Inc. Avoidance of spark damage on valve members
US7886718B2 (en) * 2008-09-26 2011-02-15 Caterpillar Inc. Fuel injector having integral body guide and nozzle case for pressure containment
US8201543B2 (en) * 2009-05-14 2012-06-19 Cummins Intellectual Properties, Inc. Piezoelectric direct acting fuel injector with hydraulic link
DE102009024595A1 (de) 2009-06-10 2011-03-24 Continental Automotive Gmbh Einspritzventil mit Übertragungseinheit
DE102009024596A1 (de) * 2009-06-10 2011-04-07 Continental Automotive Gmbh Einspritzventil mit Übertragungseinheit
US8479711B2 (en) * 2009-06-10 2013-07-09 Cummins Intellectual Propeties, Inc. Piezoelectric direct acting fuel injector with hydraulic link
EP3018340A1 (de) * 2014-11-05 2016-05-11 C.R.F. Società Consortile per Azioni Elektrische kraftstoffeinspritzdüse für ein einspritzsystem eines verbrennungsmotors
DE102015219912B3 (de) * 2015-10-14 2017-04-06 Continental Automotive Gmbh Piezo-Injektor zur Kraftstoffeinspritzung
US10473073B2 (en) * 2018-03-08 2019-11-12 Caterpillar Inc. Fuel injector having valve stack with vented back-up plate for check seal retention

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601369A (ja) * 1983-06-16 1985-01-07 Nippon Soken Inc 燃料噴射弁
DE3533085A1 (de) * 1985-09-17 1987-03-26 Bosch Gmbh Robert Zumessventil zur dosierung von fluessigkeiten oder gasen
DE3742241A1 (de) * 1987-02-14 1988-08-25 Daimler Benz Ag Piezosteuerventil zur steuerung der kraftstoffeinspritzung ueber ein einspritzventil bei brennkraftmaschinen
US5779149A (en) * 1996-07-02 1998-07-14 Siemens Automotive Corporation Piezoelectric controlled common rail injector with hydraulic amplification of piezoelectric stroke
JP3823391B2 (ja) * 1996-08-31 2006-09-20 いすゞ自動車株式会社 エンジンの燃料噴射装置
GB9725804D0 (en) * 1997-12-06 1998-02-04 Lucas Ind Plc Fuel injector
EP0937891B1 (de) * 1998-02-19 2003-10-01 Delphi Technologies, Inc. Kraftstoffeinspritzventil
GB9823028D0 (en) * 1998-10-22 1998-12-16 Lucas Ind Plc Fuel injector

Also Published As

Publication number Publication date
EP1096136A3 (de) 2002-10-09
ATE314574T1 (de) 2006-01-15
GB9925753D0 (en) 1999-12-29
US6390385B1 (en) 2002-05-21
EP1096136B1 (de) 2005-12-28
EP1096136A2 (de) 2001-05-02
DE60025133T2 (de) 2006-08-24

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Legal Events

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8364 No opposition during term of opposition