DE10131631A1 - Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum - Google Patents

Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum

Info

Publication number
DE10131631A1
DE10131631A1 DE2001131631 DE10131631A DE10131631A1 DE 10131631 A1 DE10131631 A1 DE 10131631A1 DE 2001131631 DE2001131631 DE 2001131631 DE 10131631 A DE10131631 A DE 10131631A DE 10131631 A1 DE10131631 A1 DE 10131631A1
Authority
DE
Germany
Prior art keywords
flow channel
valve
fuel
fuel injector
chamber
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.)
Ceased
Application number
DE2001131631
Other languages
German (de)
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
Priority to DE2001131631 priority Critical patent/DE10131631A1/de
Priority to EP02748598A priority patent/EP1436498A1/fr
Priority to PCT/DE2002/002237 priority patent/WO2003004859A1/fr
Publication of DE10131631A1 publication Critical patent/DE10131631A1/de
Ceased 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
    • 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
    • F02M63/0014—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
    • F02M63/0031—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
    • F02M63/0043—Two-way 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)
DE2001131631 2001-06-29 2001-06-29 Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum Ceased DE10131631A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2001131631 DE10131631A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum
EP02748598A EP1436498A1 (fr) 2001-06-29 2002-06-19 Injecteur de carburant a chambre de commande a resistance a la haute pression optimisee
PCT/DE2002/002237 WO2003004859A1 (fr) 2001-06-29 2002-06-19 Injecteur de carburant a chambre de commande a resistance a la haute pression optimisee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001131631 DE10131631A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum

Publications (1)

Publication Number Publication Date
DE10131631A1 true DE10131631A1 (de) 2003-01-16

Family

ID=7690073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2001131631 Ceased DE10131631A1 (de) 2001-06-29 2001-06-29 Kraftstoffinjektor mit hochdruckfestigkeitsoptimiertem Steuerraum

Country Status (3)

Country Link
EP (1) EP1436498A1 (fr)
DE (1) DE10131631A1 (fr)
WO (1) WO2003004859A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013224404A1 (de) * 2013-11-28 2015-05-28 Robert Bosch Gmbh Kraftstoffinjektor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741244B1 (fr) * 1995-05-03 1999-07-07 DaimlerChrysler AG Injecteur
GB2350662A (en) * 1999-06-03 2000-12-06 Lucas Ind Plc Valve for a fuel injector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08158981A (ja) * 1994-12-02 1996-06-18 Nippondenso Co Ltd 燃料噴射装置
DE19540155C2 (de) * 1995-10-27 2000-07-13 Daimler Chrysler Ag Servoventil für eine Einspritzdüse
DE19609799C2 (de) * 1996-03-13 1999-11-18 Mtu Friedrichshafen Gmbh Druckspeichereinspritzsystem
DE19715234A1 (de) 1997-04-12 1998-06-25 Daimler Benz Ag Magnetventilgesteuertes direkteinspritzendes Kraftstoffeinspritzventil für Speichereinspritzsysteme von mehrzylindrigen Brennkraftmaschinen
DE19734354A1 (de) * 1997-08-08 1999-02-11 Mtu Friedrichshafen Gmbh Kraftstoffeinspritzsystem für eine Brennkraftmaschine
DE19744723A1 (de) * 1997-10-10 1999-04-15 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE19812010C1 (de) * 1998-03-19 1999-09-30 Mtu Friedrichshafen Gmbh Kraftstoffeinspritzventil für eine Brennkraftmaschine
US6079641A (en) 1998-10-13 2000-06-27 Caterpillar Inc. Fuel injector with rate shaping control through piezoelectric nozzle lift

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741244B1 (fr) * 1995-05-03 1999-07-07 DaimlerChrysler AG Injecteur
GB2350662A (en) * 1999-06-03 2000-12-06 Lucas Ind Plc Valve for a fuel injector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 2000145565 A Patent Abstracts of Japan *

Also Published As

Publication number Publication date
WO2003004859A1 (fr) 2003-01-16
EP1436498A1 (fr) 2004-07-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection