EP1239146A3 - Système d'injection de carburant pour moteur à combustion interne - Google Patents

Système d'injection de carburant pour moteur à combustion interne Download PDF

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Publication number
EP1239146A3
EP1239146A3 EP02001824A EP02001824A EP1239146A3 EP 1239146 A3 EP1239146 A3 EP 1239146A3 EP 02001824 A EP02001824 A EP 02001824A EP 02001824 A EP02001824 A EP 02001824A EP 1239146 A3 EP1239146 A3 EP 1239146A3
Authority
EP
European Patent Office
Prior art keywords
control
valve
fuel injection
internal combustion
injection system
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Withdrawn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
EP02001824A
Other languages
German (de)
English (en)
Other versions
EP1239146A2 (fr
Inventor
Giovanni Ferraro
Hansjörg EGELER
Werner Teschner
Mario Gutmann
Ingolf Kahleyss
Manfred Mack
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 EP1239146A2 publication Critical patent/EP1239146A2/fr
Publication of EP1239146A3 publication Critical patent/EP1239146A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated 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
    • 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

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)
EP02001824A 2001-02-23 2002-01-26 Système d'injection de carburant pour moteur à combustion interne Withdrawn EP1239146A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10108719 2001-02-23
DE2001108719 DE10108719A1 (de) 2001-02-23 2001-02-23 Kraftstoffeinspritzsystem für Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
EP1239146A2 EP1239146A2 (fr) 2002-09-11
EP1239146A3 true EP1239146A3 (fr) 2004-01-21

Family

ID=7675225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02001824A Withdrawn EP1239146A3 (fr) 2001-02-23 2002-01-26 Système d'injection de carburant pour moteur à combustion interne

Country Status (2)

Country Link
EP (1) EP1239146A3 (fr)
DE (1) DE10108719A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012982A (en) * 1986-11-15 1991-05-07 Hitachi, Ltd. Electromagnetic fuel injector
DE19701879A1 (de) * 1997-01-21 1998-07-23 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
US6067955A (en) * 1997-09-24 2000-05-30 Robert Bosch Gmbh Fuel injection device for internal combustion engines
DE19923421A1 (de) * 1999-05-21 2000-11-30 Bosch Gmbh Robert Injektor
DE10033426A1 (de) * 2000-07-10 2002-01-24 Bosch Gmbh Robert Injektor/Düsennadel-Kombination mit steuerraumseitiger Kopplung
WO2002033250A1 (fr) * 2000-10-18 2002-04-25 Robert Bosch Gmbh Systeme d'injection de carburant pour moteurs a combustion interne

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012982A (en) * 1986-11-15 1991-05-07 Hitachi, Ltd. Electromagnetic fuel injector
DE19701879A1 (de) * 1997-01-21 1998-07-23 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung für Brennkraftmaschinen
US6067955A (en) * 1997-09-24 2000-05-30 Robert Bosch Gmbh Fuel injection device for internal combustion engines
DE19923421A1 (de) * 1999-05-21 2000-11-30 Bosch Gmbh Robert Injektor
DE10033426A1 (de) * 2000-07-10 2002-01-24 Bosch Gmbh Robert Injektor/Düsennadel-Kombination mit steuerraumseitiger Kopplung
WO2002033250A1 (fr) * 2000-10-18 2002-04-25 Robert Bosch Gmbh Systeme d'injection de carburant pour moteurs a combustion interne

Also Published As

Publication number Publication date
DE10108719A1 (de) 2002-09-05
EP1239146A2 (fr) 2002-09-11

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