GB2254886B - Fuel injection nozzles for an internal combustion engine with pre-injection and main injection operation - Google Patents

Fuel injection nozzles for an internal combustion engine with pre-injection and main injection operation

Info

Publication number
GB2254886B
GB2254886B GB9208288A GB9208288A GB2254886B GB 2254886 B GB2254886 B GB 2254886B GB 9208288 A GB9208288 A GB 9208288A GB 9208288 A GB9208288 A GB 9208288A GB 2254886 B GB2254886 B GB 2254886B
Authority
GB
United Kingdom
Prior art keywords
injection
combustion engine
internal combustion
nozzles
main
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 - Fee Related
Application number
GB9208288A
Other versions
GB2254886A (en
GB9208288D0 (en
Inventor
Andreas Kracke
Andreas Iwohan
Alexander Guluk
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of GB9208288D0 publication Critical patent/GB9208288D0/en
Publication of GB2254886A publication Critical patent/GB2254886A/en
Application granted granted Critical
Publication of GB2254886B publication Critical patent/GB2254886B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
GB9208288A 1991-04-15 1992-04-15 Fuel injection nozzles for an internal combustion engine with pre-injection and main injection operation Expired - Fee Related GB2254886B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4112261 1991-04-15

Publications (3)

Publication Number Publication Date
GB9208288D0 GB9208288D0 (en) 1992-06-03
GB2254886A GB2254886A (en) 1992-10-21
GB2254886B true GB2254886B (en) 1994-06-22

Family

ID=6429621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9208288A Expired - Fee Related GB2254886B (en) 1991-04-15 1992-04-15 Fuel injection nozzles for an internal combustion engine with pre-injection and main injection operation

Country Status (2)

Country Link
DE (1) DE4210563A1 (en)
GB (1) GB2254886B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419185C2 (en) * 1994-06-01 1996-08-14 Man Nutzfahrzeuge Ag Injection valve for air-compressing internal combustion engines
DE10010863A1 (en) * 2000-03-06 2001-09-27 Bosch Gmbh Robert Fuel injection nozzle; has nozzle body with two groups of nozzle holes opened and closed by two nozzle needles, which are independently operated and are arranged next to each other
US6363913B1 (en) * 2000-06-09 2002-04-02 Caterpillar Inc. Solid state lift for micrometering in a fuel injector
GB0021296D0 (en) * 2000-08-30 2000-10-18 Ricardo Consulting Eng A dual mode fuel injector
DE10122389A1 (en) * 2001-05-09 2002-11-21 Bosch Gmbh Robert Fuel injection device for internal combustion engines
DE10133434A1 (en) * 2001-07-10 2003-01-23 Bosch Gmbh Robert Fuel injection valve for internal combustion engine has second control chamber whose pressure can be regulated and moves inner valve needle in closing direction
DE10329524A1 (en) * 2003-06-30 2005-01-27 Daimlerchrysler Ag Auto-ignition internal combustion engine
DE10338768A1 (en) * 2003-08-25 2005-03-24 Robert Bosch Gmbh Fuel injector, for an IC motor, has a hollow sliding needle which controls the outer injection opening(s) at a valve seat and a coaxial sliding valve needle for the inner injection opening(s)
WO2005073546A1 (en) * 2004-02-02 2005-08-11 Siemens Aktiengesellschaft Nozzle member, and valve
TR200402048A1 (en) * 2004-08-18 2006-03-21 Robert Bosch Gmbh Variable cross-section injector nozzle with hydraulic control.
EP2011993B1 (en) * 2007-07-06 2011-09-14 Delphi Technologies Holding S.à.r.l. Dual spray injection nozzle

Also Published As

Publication number Publication date
GB2254886A (en) 1992-10-21
DE4210563A1 (en) 1992-10-22
GB9208288D0 (en) 1992-06-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960415