DE50211740D1 - Kraftstoffinjektor-schaltventil zur druckentlastung/belastung eines steuerraumes - Google Patents

Kraftstoffinjektor-schaltventil zur druckentlastung/belastung eines steuerraumes

Info

Publication number
DE50211740D1
DE50211740D1 DE50211740T DE50211740T DE50211740D1 DE 50211740 D1 DE50211740 D1 DE 50211740D1 DE 50211740 T DE50211740 T DE 50211740T DE 50211740 T DE50211740 T DE 50211740T DE 50211740 D1 DE50211740 D1 DE 50211740D1
Authority
DE
Germany
Prior art keywords
loading
pressure relief
fuel injector
pilot valve
control room
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
DE50211740T
Other languages
English (en)
Inventor
Friedrich Boecking
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE50211740D1 publication Critical patent/DE50211740D1/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
    • 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
    • F02M47/027—Electrically actuated valves draining the chamber to release the 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0026—Valves characterised by the valve actuating means electrical, e.g. using solenoid using piezoelectric or magnetostrictive actuators
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0033—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat
    • F02M63/0036—Lift valves, i.e. having a valve member that moves perpendicularly to the plane of the valve seat with spherical or partly spherical shaped valve member ends
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/0045—Three-way valves
    • 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0059—Arrangements of valve actuators
    • F02M63/0068—Actuators specially adapted for partial and full opening of the valves

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)
DE50211740T 2001-06-29 2002-06-21 Kraftstoffinjektor-schaltventil zur druckentlastung/belastung eines steuerraumes Expired - Lifetime DE50211740D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001131617 DE10131617A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor-Schaltventil zur Druckentlastung/Belastung eines Steuerraumes
PCT/DE2002/002290 WO2003004864A1 (de) 2001-06-29 2002-06-21 Kraftstoffinjektor-schaltventil zur druckentlastung/belastung eines steuerraumes

Publications (1)

Publication Number Publication Date
DE50211740D1 true DE50211740D1 (de) 2008-04-03

Family

ID=7690062

Family Applications (2)

Application Number Title Priority Date Filing Date
DE2001131617 Ceased DE10131617A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor-Schaltventil zur Druckentlastung/Belastung eines Steuerraumes
DE50211740T Expired - Lifetime DE50211740D1 (de) 2001-06-29 2002-06-21 Kraftstoffinjektor-schaltventil zur druckentlastung/belastung eines steuerraumes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE2001131617 Ceased DE10131617A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor-Schaltventil zur Druckentlastung/Belastung eines Steuerraumes

Country Status (3)

Country Link
EP (1) EP1404966B1 (de)
DE (2) DE10131617A1 (de)
WO (1) WO2003004864A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349639A1 (de) * 2003-10-24 2005-05-19 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102004024215A1 (de) * 2004-05-15 2005-12-08 L'orange Gmbh Steuerventil
JP4855946B2 (ja) 2006-06-08 2012-01-18 株式会社デンソー 燃料噴射弁
JP2008002306A (ja) * 2006-06-21 2008-01-10 Denso Corp 燃料噴射弁
JP5043761B2 (ja) 2008-06-18 2012-10-10 本田技研工業株式会社 燃料噴射装置
DE102010040989A1 (de) * 2010-09-17 2012-03-22 Continental Automotive Gmbh Steuerventileinheit für einen Kraftstoffinjektor
CH704454A1 (de) * 2011-02-08 2012-08-15 Liebherr Machines Bulle Sa Einspritzvorrichtung für ein Fluid.
DE102012202055A1 (de) 2012-02-10 2013-08-14 Robert Bosch Gmbh Kraftstoffinjektor
DE102012220025A1 (de) 2012-06-29 2014-01-02 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102012221624A1 (de) 2012-11-27 2014-05-28 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102012223199A1 (de) 2012-12-14 2014-06-18 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen
DE102012224398A1 (de) 2012-12-27 2014-07-03 Robert Bosch Gmbh Kraftstoffeinspritzventil für Brennkraftmaschinen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603671A (en) * 1983-08-17 1986-08-05 Nippon Soken, Inc. Fuel injector for an internal combustion engine
IT212432Z2 (it) 1987-08-25 1989-07-04 Weber Srl Valvola di iniezione del combustibile a comando elettromagnetico per motori a ciclo diesel
JPH0571438A (ja) * 1991-09-11 1993-03-23 Nippondenso Co Ltd 燃料噴射装置
US5460329A (en) 1994-06-06 1995-10-24 Sturman; Oded E. High speed fuel injector
US5687693A (en) * 1994-07-29 1997-11-18 Caterpillar Inc. Hydraulically-actuated fuel injector with direct control needle valve
DE19744518A1 (de) 1997-10-09 1999-04-15 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
DE59908941D1 (de) * 1998-05-28 2004-04-29 Siemens Ag Kraftstoffeinspritzventil für brennkraftmaschinen
DE19844996A1 (de) * 1998-09-30 2000-04-13 Siemens Ag Vorrichtung und Verfahren zur Dosierung von Fluid
DE19910589C2 (de) 1999-03-10 2002-12-05 Siemens Ag Einspritzventil für eine Brennkraftmaschine
JP3557996B2 (ja) * 1999-06-21 2004-08-25 トヨタ自動車株式会社 燃料噴射装置
DE19946827C1 (de) * 1999-09-30 2001-06-21 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
DE19946828C1 (de) * 1999-09-30 2001-07-12 Bosch Gmbh Robert Ventil zum Steuern von Flüssigkeiten
JP4048699B2 (ja) * 1999-11-10 2008-02-20 株式会社デンソー 燃料噴射弁

Also Published As

Publication number Publication date
WO2003004864A1 (de) 2003-01-16
EP1404966A1 (de) 2004-04-07
DE10131617A1 (de) 2003-01-23
EP1404966B1 (de) 2008-02-20

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Legal Events

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