ATE449250T1 - Injektor mit zusätzlichem servoventil - Google Patents

Injektor mit zusätzlichem servoventil

Info

Publication number
ATE449250T1
ATE449250T1 AT08100356T AT08100356T ATE449250T1 AT E449250 T1 ATE449250 T1 AT E449250T1 AT 08100356 T AT08100356 T AT 08100356T AT 08100356 T AT08100356 T AT 08100356T AT E449250 T1 ATE449250 T1 AT E449250T1
Authority
AT
Austria
Prior art keywords
injector
servo valve
control chamber
additional servo
high pressure
Prior art date
Application number
AT08100356T
Other languages
English (en)
Inventor
Dirk Vahle
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 ATE449250T1 publication Critical patent/ATE449250T1/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
    • 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
    • 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
    • F02M47/025—Hydraulically 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
    • F02M63/02—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
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston

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)
AT08100356T 2007-02-13 2008-01-11 Injektor mit zusätzlichem servoventil ATE449250T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007006939A DE102007006939A1 (de) 2007-02-13 2007-02-13 Injektor mit zusätzlichem Servoventil

Publications (1)

Publication Number Publication Date
ATE449250T1 true ATE449250T1 (de) 2009-12-15

Family

ID=39472735

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08100356T ATE449250T1 (de) 2007-02-13 2008-01-11 Injektor mit zusätzlichem servoventil

Country Status (3)

Country Link
EP (1) EP1961949B1 (de)
AT (1) ATE449250T1 (de)
DE (2) DE102007006939A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015114716A1 (de) * 2015-09-03 2017-03-09 Denso Corporation Kraftstoff-Injektor mit zwei Kraftstoffeinlässen
DE102018208859A1 (de) * 2018-06-06 2019-12-12 Robert Bosch Gmbh Verfahren zum Betreiben eines Kraftstoffinjektors, Kraftstoffinjektor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351773B (en) * 1997-02-26 2001-02-21 Caterpillar Inc Hydraulically actuated fuel injection system
DE19744723A1 (de) 1997-10-10 1999-04-15 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung
DE10207227A1 (de) 2002-02-21 2003-09-04 Bosch Gmbh Robert Kraftstoffeinspritzventil für Brennkraftmaschinen
US6824081B2 (en) * 2002-06-28 2004-11-30 Cummins Inc. Needle controlled fuel injector with two control valves
DE10305303A1 (de) * 2003-02-10 2004-08-19 Robert Bosch Gmbh Kraftstoff-Einspritzvorrichtung, insbesondere für Brennkraftmaschinen mit Kraftstoff-Direkteinspritzung
DE10333692B3 (de) * 2003-07-24 2004-09-30 Robert Bosch Gmbh Kraftstoffeinspritzvorrichtung
ES2277229T3 (es) 2004-06-30 2007-07-01 C.R.F. Societa Consortile Per Azioni Servovalvula para controlar el inyector de combustible de un motor de combustion interna.

Also Published As

Publication number Publication date
EP1961949A3 (de) 2008-09-17
DE102007006939A1 (de) 2008-08-14
DE502008000183D1 (de) 2009-12-31
EP1961949B1 (de) 2009-11-18
EP1961949A2 (de) 2008-08-27

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