ATE552419T1 - FUEL INJECTOR - Google Patents

FUEL INJECTOR

Info

Publication number
ATE552419T1
ATE552419T1 AT09166712T AT09166712T ATE552419T1 AT E552419 T1 ATE552419 T1 AT E552419T1 AT 09166712 T AT09166712 T AT 09166712T AT 09166712 T AT09166712 T AT 09166712T AT E552419 T1 ATE552419 T1 AT E552419T1
Authority
AT
Austria
Prior art keywords
valve needle
fuel injector
nozzle
opening movement
actuator arrangement
Prior art date
Application number
AT09166712T
Other languages
German (de)
Inventor
Michael Cooke
Original Assignee
Delphi Tech Holding Sarl
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 Tech Holding Sarl filed Critical Delphi Tech Holding Sarl
Application granted granted Critical
Publication of ATE552419T1 publication Critical patent/ATE552419T1/en

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
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
    • F02M51/0617—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature having two or more electromagnets
    • 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
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
    • 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
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0635—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding
    • F02M51/066—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a plate-shaped or undulated armature not entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other
    • 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
    • F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
    • F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
    • F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
    • F02M51/0685—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding the armature and the valve being allowed to move relatively to each other or not being attached to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

A fuel injector (100) for use in an internal combustion engine, the fuel injector (100) comprising an injection nozzle having a nozzle body (120) provided with a nozzle bore (130), a valve needle (134) being received within the nozzle bore (130) and engageable with a seat region (137) to control fuel delivery through at least one nozzle outlet (126) and first and second actuator arrangements (150, 152), at least the first actuator arrangement (150, 152) being operable to apply an opening force to the valve needle (134) thereby to cause an opening movement of the valve needle (134), wherein the first actuator arrangement (150) is configured to decouple from the valve needle (134) in response to said opening movement.
AT09166712T 2009-07-29 2009-07-29 FUEL INJECTOR ATE552419T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09166712A EP2295785B1 (en) 2009-07-29 2009-07-29 Fuel Injector

Publications (1)

Publication Number Publication Date
ATE552419T1 true ATE552419T1 (en) 2012-04-15

Family

ID=41416209

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09166712T ATE552419T1 (en) 2009-07-29 2009-07-29 FUEL INJECTOR

Country Status (2)

Country Link
EP (1) EP2295785B1 (en)
AT (1) ATE552419T1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045174A1 (en) * 2009-09-30 2011-04-07 Robert Bosch Gmbh Magnetic stack for highly dynamic valves
JP5979009B2 (en) * 2013-01-07 2016-08-24 マツダ株式会社 Direct injection engine fuel injection system
JP5979010B2 (en) * 2013-01-07 2016-08-24 マツダ株式会社 Direct injection engine fuel injection system
GB2615372B (en) 2022-02-03 2024-02-28 Delphi Tech Ip Ltd Fuel injector
GB2617859B (en) 2022-04-22 2024-10-02 Phinia Delphi Luxembourg Sarl Fuel injector
GB2626988A (en) * 2023-02-10 2024-08-14 Phinia Delphi Luxembourg Sarl Fuel injector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9320798D0 (en) 1993-10-08 1993-12-01 Lucas Ind Plc Fuel injection nozzle
GB9508623D0 (en) 1995-04-28 1995-06-14 Lucas Ind Plc "Fuel injection nozzle"
GB9823028D0 (en) 1998-10-22 1998-12-16 Lucas Ind Plc Fuel injector
DE60126380T2 (en) 2000-07-18 2007-11-15 Delphi Technologies, Inc., Troy Fuel injection valve
DE10124743A1 (en) * 2001-05-21 2002-11-28 Bosch Gmbh Robert Fuel injection valve for an internal combustion engine comprises an armature having an armature buffer sleeve inserted in a form-locking manner into an inner recess of an armature casing
DE10155271A1 (en) * 2001-11-09 2003-05-28 Bosch Gmbh Robert Common rail injector
US6910644B2 (en) * 2001-12-26 2005-06-28 Toyota Jidosha Kabushiki Kaisha Solenoid-operated fuel injection valve

Also Published As

Publication number Publication date
EP2295785A1 (en) 2011-03-16
EP2295785B1 (en) 2012-04-04

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