EP2138704A1 - Injecteur de carburant - Google Patents

Injecteur de carburant Download PDF

Info

Publication number
EP2138704A1
EP2138704A1 EP09100245A EP09100245A EP2138704A1 EP 2138704 A1 EP2138704 A1 EP 2138704A1 EP 09100245 A EP09100245 A EP 09100245A EP 09100245 A EP09100245 A EP 09100245A EP 2138704 A1 EP2138704 A1 EP 2138704A1
Authority
EP
European Patent Office
Prior art keywords
pressure
fuel
annular space
fuel injector
injector
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.)
Granted
Application number
EP09100245A
Other languages
German (de)
English (en)
Other versions
EP2138704B1 (fr
Inventor
Matthias Burger
Hans-Christoph Magel
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
Publication of EP2138704A1 publication Critical patent/EP2138704A1/fr
Application granted granted Critical
Publication of EP2138704B1 publication Critical patent/EP2138704B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004—Joints; Sealings
    • F02M55/005—Joints; Sealings for high pressure conduits, e.g. connected to pump outlet or to injector inlet
    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/165—Filtering elements specially adapted in fuel inlets to injector
    • 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
    • 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
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • 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
    • F02M2200/27—Fuel-injection apparatus with filters

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)
EP09100245A 2008-06-19 2009-04-22 Injecteur de carburant Not-in-force EP2138704B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008002528A DE102008002528A1 (de) 2008-06-19 2008-06-19 Kraftstoff-Injektor

Publications (2)

Publication Number Publication Date
EP2138704A1 true EP2138704A1 (fr) 2009-12-30
EP2138704B1 EP2138704B1 (fr) 2011-04-27

Family

ID=41279483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09100245A Not-in-force EP2138704B1 (fr) 2008-06-19 2009-04-22 Injecteur de carburant

Country Status (3)

Country Link
EP (1) EP2138704B1 (fr)
AT (1) ATE507387T1 (fr)
DE (2) DE102008002528A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014007130B3 (de) * 2014-05-16 2015-10-15 Audi Ag Elektromagnetventil für ein Hydrauliksystem
DE102017217991A1 (de) 2017-10-10 2019-04-11 Robert Bosch Gmbh Injektor zum Dosieren eines Fluids unter hohem Druck und Verfahren zum Betreiben eines solchen Injektors

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737505A1 (de) * 1986-11-07 1988-05-11 Lucas Ind Plc Brennstoffeinspritzduese
WO2003006817A2 (fr) * 2001-07-10 2003-01-23 Robert Bosch Gmbh Electrovanne a raccord tournant a douille
DE102004046888A1 (de) * 2004-09-28 2006-03-30 Robert Bosch Gmbh Injektor zur Kraftstoffeinspritzung an einer Brennkraftmaschine
DE102006014244A1 (de) * 2006-03-28 2007-10-04 Robert Bosch Gmbh Kraftstoffinjektor mit Servomagnetventil
EP1923564A2 (fr) * 2006-11-16 2008-05-21 Robert Bosch Gmbh Injecteur de carburant
DE102007021330A1 (de) 2007-05-07 2008-11-13 Robert Bosch Gmbh Kraftstoffinjektor für eine Brennkraftmaschine mit Common-Rail-Einspritzsystem

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737505A1 (de) * 1986-11-07 1988-05-11 Lucas Ind Plc Brennstoffeinspritzduese
WO2003006817A2 (fr) * 2001-07-10 2003-01-23 Robert Bosch Gmbh Electrovanne a raccord tournant a douille
DE102004046888A1 (de) * 2004-09-28 2006-03-30 Robert Bosch Gmbh Injektor zur Kraftstoffeinspritzung an einer Brennkraftmaschine
DE102006014244A1 (de) * 2006-03-28 2007-10-04 Robert Bosch Gmbh Kraftstoffinjektor mit Servomagnetventil
EP1923564A2 (fr) * 2006-11-16 2008-05-21 Robert Bosch Gmbh Injecteur de carburant
DE102007021330A1 (de) 2007-05-07 2008-11-13 Robert Bosch Gmbh Kraftstoffinjektor für eine Brennkraftmaschine mit Common-Rail-Einspritzsystem

Also Published As

Publication number Publication date
DE102008002528A1 (de) 2009-12-24
EP2138704B1 (fr) 2011-04-27
ATE507387T1 (de) 2011-05-15
DE502009000576D1 (de) 2011-06-09

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