EP2444649B8 - Kraftstoffinjektor, insbesondere common-rail-injektor - Google Patents

Kraftstoffinjektor, insbesondere common-rail-injektor Download PDF

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Publication number
EP2444649B8
EP2444649B8 EP11181816.7A EP11181816A EP2444649B8 EP 2444649 B8 EP2444649 B8 EP 2444649B8 EP 11181816 A EP11181816 A EP 11181816A EP 2444649 B8 EP2444649 B8 EP 2444649B8
Authority
EP
European Patent Office
Prior art keywords
fuel injector
injection system
common rail
rail injection
particular common
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.)
Active
Application number
EP11181816.7A
Other languages
English (en)
French (fr)
Other versions
EP2444649B1 (de
EP2444649A3 (de
EP2444649A2 (de
Inventor
Markus Bauer
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 EP2444649A2 publication Critical patent/EP2444649A2/de
Publication of EP2444649A3 publication Critical patent/EP2444649A3/de
Publication of EP2444649B1 publication Critical patent/EP2444649B1/de
Application granted granted Critical
Publication of EP2444649B8 publication Critical patent/EP2444649B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02M63/0035—Poppet valves, i.e. having a mushroom-shaped valve member that moves perpendicularly to the plane of the valve seat
    • 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
    • F02M2200/31—Fuel-injection apparatus having hydraulic pressure fluctuations damping elements

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)
EP11181816.7A 2010-10-19 2011-09-19 Kraftstoffinjektor, insbesondere common-rail-injektor Active EP2444649B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010042622A DE102010042622A1 (de) 2010-10-19 2010-10-19 Kraftstoffinjektor, inbesondere Common-Rail-Injektor

Publications (4)

Publication Number Publication Date
EP2444649A2 EP2444649A2 (de) 2012-04-25
EP2444649A3 EP2444649A3 (de) 2013-02-27
EP2444649B1 EP2444649B1 (de) 2020-04-01
EP2444649B8 true EP2444649B8 (de) 2020-06-10

Family

ID=44651406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11181816.7A Active EP2444649B8 (de) 2010-10-19 2011-09-19 Kraftstoffinjektor, insbesondere common-rail-injektor

Country Status (2)

Country Link
EP (1) EP2444649B8 (de)
DE (1) DE102010042622A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016209546A1 (de) * 2016-06-01 2017-12-07 Robert Bosch Gmbh Kraftstoffeinspritzventil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19727992C2 (de) * 1997-07-01 1999-05-20 Siemens Ag Ausgleichselement zur Kompensation temperaturbedingter Längenänderungen von elektromechanischen Stellsystemen
DE10057495B4 (de) * 2000-11-20 2005-08-04 Siemens Ag Injektorgehäuse mit einer Aktoreinheit
DE102006019736A1 (de) * 2006-04-28 2007-10-31 Robert Bosch Gmbh Kraftstoffinjektor
DE102006021945A1 (de) * 2006-05-11 2007-11-15 Robert Bosch Gmbh Piezoelektrischer Aktor und Injektor mit einem piezoelektrischen Aktor für eine Brennkraftmaschine
DE102006026381A1 (de) 2006-06-07 2007-12-13 Robert Bosch Gmbh Kraftstoffinjektor mit Druckübersetzer und niederdruckseitig angeordnetem Piezosteller
DE102006035982A1 (de) * 2006-08-02 2008-02-07 Robert Bosch Gmbh Injektor

Also Published As

Publication number Publication date
DE102010042622A1 (de) 2012-04-19
EP2444649B1 (de) 2020-04-01
EP2444649A3 (de) 2013-02-27
EP2444649A2 (de) 2012-04-25

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