ATE487052T1 - Kraftstoffinjektor mit direkter steuerung des einspritzventilglieds und variabler übersetzung - Google Patents

Kraftstoffinjektor mit direkter steuerung des einspritzventilglieds und variabler übersetzung

Info

Publication number
ATE487052T1
ATE487052T1 AT06100702T AT06100702T ATE487052T1 AT E487052 T1 ATE487052 T1 AT E487052T1 AT 06100702 T AT06100702 T AT 06100702T AT 06100702 T AT06100702 T AT 06100702T AT E487052 T1 ATE487052 T1 AT E487052T1
Authority
AT
Austria
Prior art keywords
injection valve
valve element
fuel injector
direct control
prestroke
Prior art date
Application number
AT06100702T
Other languages
English (en)
Inventor
Rudolf Heinz
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of ATE487052T1 publication Critical patent/ATE487052T1/de

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
    • F02M45/12—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship providing a continuous cyclic delivery with variable 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
    • 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
    • F02M45/083—Having two or more closing springs acting on injection-valve
    • 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
    • F02M2200/26—Fuel-injection apparatus with elastically deformable elements other than coil springs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
AT06100702T 2005-03-21 2006-01-23 Kraftstoffinjektor mit direkter steuerung des einspritzventilglieds und variabler übersetzung ATE487052T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005012929A DE102005012929A1 (de) 2005-03-21 2005-03-21 Kraftstoffinjektor mit direkter Steuerung des Einspritzventilglieds und variabler Übersetzung

Publications (1)

Publication Number Publication Date
ATE487052T1 true ATE487052T1 (de) 2010-11-15

Family

ID=36588928

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06100702T ATE487052T1 (de) 2005-03-21 2006-01-23 Kraftstoffinjektor mit direkter steuerung des einspritzventilglieds und variabler übersetzung

Country Status (4)

Country Link
US (1) US20060208107A1 (de)
EP (1) EP1705365B1 (de)
AT (1) ATE487052T1 (de)
DE (2) DE102005012929A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326259A1 (de) * 2003-06-11 2005-01-05 Robert Bosch Gmbh Injektor für Kraftstoff-Einspritzsysteme von Brennkraftmaschinen, insbesondere von direkteinspritzenden Dieselmotoren
DE102004027824A1 (de) * 2004-06-08 2006-01-05 Robert Bosch Gmbh Kraftstoffinjektor mit variabler Aktorübersetzung
DE102006008648A1 (de) * 2006-02-24 2007-08-30 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung für eine Brennkraftmaschine
JP4459183B2 (ja) * 2006-03-16 2010-04-28 株式会社デンソー インジェクタ
AT511075B1 (de) * 2011-05-26 2012-09-15 Avl List Gmbh Zweistoffbrennkraftmaschine
US9038601B2 (en) 2011-11-01 2015-05-26 Cummins Inc. Flow limiter assembly for a fuel system of an internal combustion engine
DE102013219225A1 (de) * 2013-09-25 2015-03-26 Continental Automotive Gmbh Piezo-Injektor zur Kraftstoff-Direkteinspritzung
CN106062350A (zh) * 2014-02-07 2016-10-26 艾克莫特公司 与压电燃料喷射器一起使用的预加载弹簧
DE102016109073B4 (de) * 2015-06-05 2022-02-17 Denso Corporation Kraftstoffeinspritzventil und Kraftstoffeinspritzventilcontroller
CN107664081A (zh) * 2016-07-29 2018-02-06 博世有限公司 用于燃料喷射器的碟形弹簧
JP7470254B2 (ja) * 2021-05-12 2024-04-17 日立Astemo株式会社 燃料噴射装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022166A (en) * 1975-04-03 1977-05-10 Teledyne Industries, Inc. Piezoelectric fuel injector valve
DE2931874C2 (de) * 1979-08-06 1983-08-04 Audi Nsu Auto Union Ag, 7107 Neckarsulm Elektrisch betätigbares Ventil
US5482213A (en) * 1993-05-31 1996-01-09 Aisin Seiki Kabushiki Kaisha Fuel injection valve operated by expansion and contraction of piezoelectric element
GB9615663D0 (en) * 1996-07-25 1996-09-04 Lucas Ind Plc Fuel pumping apparatus
US5947380A (en) * 1997-11-03 1999-09-07 Caterpillar Inc. Fuel injector utilizing flat-seat poppet valves
DE19758066A1 (de) * 1997-12-29 1999-07-01 Steyr Daimler Puch Ag Pumpedüse vom Typ mit offener Einspritzdüse
DE19843535A1 (de) * 1998-09-23 2000-03-30 Bosch Gmbh Robert Brennstoffeinspritzventil
EP1338788B1 (de) * 1999-04-01 2005-05-18 Delphi Technologies, Inc. Brennstoffeinspritzventil
DE10032517A1 (de) * 2000-07-05 2002-01-24 Bosch Gmbh Robert Injektor mit Steuerteilführung
ATE353118T1 (de) 2000-07-18 2007-02-15 Delphi Tech Inc Kraftstoffeinspritzventil
US6766965B2 (en) * 2001-08-31 2004-07-27 Siemens Automotive Corporation Twin tube hydraulic compensator for a fuel injector
DE10326259A1 (de) * 2003-06-11 2005-01-05 Robert Bosch Gmbh Injektor für Kraftstoff-Einspritzsysteme von Brennkraftmaschinen, insbesondere von direkteinspritzenden Dieselmotoren
DE102004028522A1 (de) 2004-06-11 2005-12-29 Robert Bosch Gmbh Kraftstoffinjektor mit variabler Aktorhubübersetzung
DE102005004738A1 (de) * 2005-02-02 2006-08-10 Robert Bosch Gmbh Kraftstoffinjektor mit direkter Nadelsteuerung für eine Brennkraftmaschine

Also Published As

Publication number Publication date
DE502006008205D1 (de) 2010-12-16
US20060208107A1 (en) 2006-09-21
EP1705365A2 (de) 2006-09-27
EP1705365B1 (de) 2010-11-03
EP1705365A3 (de) 2009-02-18
DE102005012929A1 (de) 2006-09-28

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Legal Events

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