DE102007006939A1 - Injektor mit zusätzlichem Servoventil - Google Patents

Injektor mit zusätzlichem Servoventil Download PDF

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Publication number
DE102007006939A1
DE102007006939A1 DE102007006939A DE102007006939A DE102007006939A1 DE 102007006939 A1 DE102007006939 A1 DE 102007006939A1 DE 102007006939 A DE102007006939 A DE 102007006939A DE 102007006939 A DE102007006939 A DE 102007006939A DE 102007006939 A1 DE102007006939 A1 DE 102007006939A1
Authority
DE
Germany
Prior art keywords
fuel
injector
valve
control
pressure
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.)
Withdrawn
Application number
DE102007006939A
Other languages
German (de)
English (en)
Inventor
Dirk Vahle
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 DE102007006939A priority Critical patent/DE102007006939A1/de
Priority to EP08100356A priority patent/EP1961949B1/fr
Priority to AT08100356T priority patent/ATE449250T1/de
Priority to DE502008000183T priority patent/DE502008000183D1/de
Publication of DE102007006939A1 publication Critical patent/DE102007006939A1/de
Withdrawn legal-status Critical Current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
    • 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)
DE102007006939A 2007-02-13 2007-02-13 Injektor mit zusätzlichem Servoventil Withdrawn DE102007006939A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102007006939A DE102007006939A1 (de) 2007-02-13 2007-02-13 Injektor mit zusätzlichem Servoventil
EP08100356A EP1961949B1 (fr) 2007-02-13 2008-01-11 Injecteur doté d'une servo-vanne supplémentaire
AT08100356T ATE449250T1 (de) 2007-02-13 2008-01-11 Injektor mit zusätzlichem servoventil
DE502008000183T DE502008000183D1 (de) 2007-02-13 2008-01-11 Injektor mit zusätzlichem Servoventil

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
DE102007006939A1 true DE102007006939A1 (de) 2008-08-14

Family

ID=39472735

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102007006939A Withdrawn DE102007006939A1 (de) 2007-02-13 2007-02-13 Injektor mit zusätzlichem Servoventil
DE502008000183T Active DE502008000183D1 (de) 2007-02-13 2008-01-11 Injektor mit zusätzlichem Servoventil

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE502008000183T Active DE502008000183D1 (de) 2007-02-13 2008-01-11 Injektor mit zusätzlichem Servoventil

Country Status (3)

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

Cited By (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
CN110566372A (zh) * 2018-06-06 2019-12-13 罗伯特·博世有限公司 用于运行燃料喷射器的方法和燃料喷射器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1612403A1 (fr) 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni Soupape servo pour controller l'injecteur d'un moteur à combustion interne

Family Cites Families (4)

* 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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP1612403A1 (fr) 2004-06-30 2006-01-04 C.R.F. Societa' Consortile per Azioni Soupape servo pour controller l'injecteur d'un moteur à combustion interne

Cited By (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
CN110566372A (zh) * 2018-06-06 2019-12-13 罗伯特·博世有限公司 用于运行燃料喷射器的方法和燃料喷射器

Also Published As

Publication number Publication date
EP1961949A2 (fr) 2008-08-27
ATE449250T1 (de) 2009-12-15
EP1961949B1 (fr) 2009-11-18
EP1961949A3 (fr) 2008-09-17
DE502008000183D1 (de) 2009-12-31

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Legal Events

Date Code Title Description
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20120901