ATE393306T1 - Brennkraftmaschine mit einem einspritzventil mit optimierten kraftstoffspritzstrahlen - Google Patents

Brennkraftmaschine mit einem einspritzventil mit optimierten kraftstoffspritzstrahlen

Info

Publication number
ATE393306T1
ATE393306T1 AT05300798T AT05300798T ATE393306T1 AT E393306 T1 ATE393306 T1 AT E393306T1 AT 05300798 T AT05300798 T AT 05300798T AT 05300798 T AT05300798 T AT 05300798T AT E393306 T1 ATE393306 T1 AT E393306T1
Authority
AT
Austria
Prior art keywords
combustion engine
internal combustion
injection valve
fuel spray
spray jets
Prior art date
Application number
AT05300798T
Other languages
English (en)
Inventor
Franck Levy
Eric Brun
Stephan Dehoux
Bertrand Fasolo
Original Assignee
Renault Sa
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 Renault Sa filed Critical Renault Sa
Application granted granted Critical
Publication of ATE393306T1 publication Critical patent/ATE393306T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696—W-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/066—Details related to the fuel injector or the fuel spray the injector being located substantially off-set from the cylinder centre axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645—Details related to the fuel injector or the fuel spray
    • F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • 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
    • F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
    • F02M61/1806—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for characterised by the arrangement of discharge orifices, e.g. orientation or size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
AT05300798T 2004-10-07 2005-10-06 Brennkraftmaschine mit einem einspritzventil mit optimierten kraftstoffspritzstrahlen ATE393306T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452296A FR2876421B1 (fr) 2004-10-07 2004-10-07 Moteur a combustion interne comportant un injecteur de carburant a jets optimises

Publications (1)

Publication Number Publication Date
ATE393306T1 true ATE393306T1 (de) 2008-05-15

Family

ID=34952109

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05300798T ATE393306T1 (de) 2004-10-07 2005-10-06 Brennkraftmaschine mit einem einspritzventil mit optimierten kraftstoffspritzstrahlen

Country Status (5)

Country Link
EP (1) EP1645734B1 (de)
AT (1) ATE393306T1 (de)
DE (1) DE602005006212T2 (de)
ES (1) ES2302153T3 (de)
FR (1) FR2876421B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2333307A4 (de) * 2008-09-24 2013-03-13 Toyota Motor Co Ltd Kraftstoffeinspritzventil für einen verbrennungsmotor und herstellungsverfahren dafür
DE102009031789A1 (de) * 2009-07-06 2011-01-13 Volkswagen Ag Brennkraftmaschine mit Hochdruck-Einspritzventil
DE102013219068A1 (de) * 2013-09-23 2015-03-26 Continental Automotive Gmbh Brennkraftmaschine
DE102019202073A1 (de) * 2019-02-15 2020-08-20 Robert Bosch Gmbh Verfahren zum Herstellen einer Einspritzdüse zum Einspritzen von Kraftstoff in einen Brennraum einer Brennkraftmaschine und Düsenanordnung mit einer Einspritzdüse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954089A (en) * 1971-07-16 1976-05-04 Deere & Company Diesel engine
DE4136851A1 (de) * 1991-11-08 1993-05-13 Avl Verbrennungskraft Messtech Dieselmotor kleinerer leistung
FR2716495B1 (fr) * 1994-02-22 1996-05-03 Peugeot Dispositions permettant d'améliorer le fonctionnement des moteurs Diesel à injection directe.
JPH10288131A (ja) * 1997-04-11 1998-10-27 Yanmar Diesel Engine Co Ltd ディーゼル機関の噴射ノズル
FR2844012B1 (fr) * 2002-08-30 2006-04-07 Renault Sa Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre

Also Published As

Publication number Publication date
EP1645734B1 (de) 2008-04-23
EP1645734A1 (de) 2006-04-12
FR2876421B1 (fr) 2007-02-23
ES2302153T3 (es) 2008-07-01
DE602005006212T2 (de) 2009-06-18
DE602005006212D1 (de) 2008-06-05
FR2876421A1 (fr) 2006-04-14

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