DE602004012249D1 - Einspritzdüse - Google Patents

Einspritzdüse

Info

Publication number
DE602004012249D1
DE602004012249D1 DE602004012249T DE602004012249T DE602004012249D1 DE 602004012249 D1 DE602004012249 D1 DE 602004012249D1 DE 602004012249 T DE602004012249 T DE 602004012249T DE 602004012249 T DE602004012249 T DE 602004012249T DE 602004012249 D1 DE602004012249 D1 DE 602004012249D1
Authority
DE
Germany
Prior art keywords
valve needle
nozzle
inner valve
outer valve
nozzle outlet
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
DE602004012249T
Other languages
English (en)
Other versions
DE602004012249T2 (de
Inventor
Christopher Smout
Louise Connelly
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 Operations Luxembourg SARL
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 DE602004012249D1 publication Critical patent/DE602004012249D1/de
Application granted granted Critical
Publication of DE602004012249T2 publication Critical patent/DE602004012249T2/de
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
    • 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
    • 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
    • F02M61/042—The valves being provided with fuel passages
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
DE602004012249T 2004-08-13 2004-08-13 Einspritzdüse Active DE602004012249T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04254884A EP1626173B1 (de) 2004-08-13 2004-08-13 Einspritzdüse

Publications (2)

Publication Number Publication Date
DE602004012249D1 true DE602004012249D1 (de) 2008-04-17
DE602004012249T2 DE602004012249T2 (de) 2009-03-12

Family

ID=34930563

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004012249T Active DE602004012249T2 (de) 2004-08-13 2004-08-13 Einspritzdüse

Country Status (5)

Country Link
US (1) US7559488B2 (de)
EP (1) EP1626173B1 (de)
JP (1) JP4180592B2 (de)
AT (1) ATE388319T1 (de)
DE (1) DE602004012249T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1643117B1 (de) * 2004-10-01 2007-08-29 Delphi Technologies, Inc. Einspritzdüse
DE102005009148A1 (de) * 2005-03-01 2006-09-07 Robert Bosch Gmbh Kraftstoffinjektor mit direktgesteuertem Einspritzventilglied mit Doppelsitz
DE102006022998A1 (de) * 2006-05-17 2007-11-22 Robert Bosch Gmbh Anordnung mit einem von flüssigen Medien umströmten Piezoaktor
EP2071178A1 (de) * 2007-12-10 2009-06-17 Delphi Technologies, Inc. Einspritzdüse
GB0806705D0 (en) 2008-04-14 2008-05-14 Delphi Tech Inc Fuel injector
EP2320061A1 (de) 2009-11-04 2011-05-11 Delphi Technologies Holding S.à.r.l. Kraftstoffeinspritzdüse
CN101825033B (zh) * 2010-02-04 2013-06-26 大连理工大学 点火室式直喷汽油机的燃料喷射方法
HUE027556T2 (en) 2012-06-13 2016-10-28 Delphi Int Operations Luxembourg Sarl atomizer
US9822748B2 (en) * 2014-05-31 2017-11-21 Cummins Inc. Restrictive flow passage in common rail injectors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843570A1 (de) * 1998-09-23 2000-03-30 Bosch Gmbh Robert Brennstoffeinspritzventil
GB9913314D0 (en) * 1999-06-09 1999-08-11 Lucas Ind Plc Fuel injector
GB9916464D0 (en) * 1999-07-14 1999-09-15 Lucas Ind Plc Fuel injector
DE10122241A1 (de) * 2001-05-08 2002-12-05 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6637675B2 (en) * 2001-07-13 2003-10-28 Cummins Inc. Rate shaping fuel injector with limited throttling
US6557776B2 (en) * 2001-07-19 2003-05-06 Cummins Inc. Fuel injector with injection rate control
DE10155227A1 (de) * 2001-11-09 2003-05-22 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6769635B2 (en) * 2002-09-25 2004-08-03 Caterpillar Inc Mixed mode fuel injector with individually moveable needle valve members

Also Published As

Publication number Publication date
EP1626173A1 (de) 2006-02-15
US20060032948A1 (en) 2006-02-16
US7559488B2 (en) 2009-07-14
JP4180592B2 (ja) 2008-11-12
DE602004012249T2 (de) 2009-03-12
ATE388319T1 (de) 2008-03-15
JP2006052734A (ja) 2006-02-23
EP1626173B1 (de) 2008-03-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DELPHI TECHNOLOGIES HOLDING S.A.R.L., BASCHARA, LU