FR2844012B1 - Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre - Google Patents

Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre

Info

Publication number
FR2844012B1
FR2844012B1 FR0210750A FR0210750A FR2844012B1 FR 2844012 B1 FR2844012 B1 FR 2844012B1 FR 0210750 A FR0210750 A FR 0210750A FR 0210750 A FR0210750 A FR 0210750A FR 2844012 B1 FR2844012 B1 FR 2844012B1
Authority
FR
France
Prior art keywords
decal
cylinder
axis
combustion engine
injection jets
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.)
Expired - Lifetime
Application number
FR0210750A
Other languages
English (en)
Other versions
FR2844012A1 (fr
Inventor
Daniel Passerel
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.)
Renault SAS
Original Assignee
Renault SAS
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 SAS filed Critical Renault SAS
Priority to FR0210750A priority Critical patent/FR2844012B1/fr
Publication of FR2844012A1 publication Critical patent/FR2844012A1/fr
Application granted granted Critical
Publication of FR2844012B1 publication Critical patent/FR2844012B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • 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
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0621—Squish flow
    • 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
    • F02B23/0618—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 having in-cylinder means to influence the charge motion
    • F02B23/0624—Swirl flow
    • 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
FR0210750A 2002-08-30 2002-08-30 Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre Expired - Lifetime FR2844012B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0210750A FR2844012B1 (fr) 2002-08-30 2002-08-30 Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0210750A FR2844012B1 (fr) 2002-08-30 2002-08-30 Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre

Publications (2)

Publication Number Publication Date
FR2844012A1 FR2844012A1 (fr) 2004-03-05
FR2844012B1 true FR2844012B1 (fr) 2006-04-07

Family

ID=31502999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210750A Expired - Lifetime FR2844012B1 (fr) 2002-08-30 2002-08-30 Moteur a combustion comportant des jets d'injection decales suivant l'axe du cylindre

Country Status (1)

Country Link
FR (1) FR2844012B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2876421B1 (fr) * 2004-10-07 2007-02-23 Renault Sas Moteur a combustion interne comportant un injecteur de carburant a jets optimises
FR2880384B1 (fr) 2004-12-30 2007-04-13 Renault Sas Moteur a combustion interne comportant un piston dont le bossage du bol de combustion est muni d'une zone evidee
FR2880385A1 (fr) 2004-12-30 2006-07-07 Renault Sas Moteur a combustion interne comportant un piston a bol de combustion muni d'un bossage incline

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260859B (de) * 1957-08-20 1968-02-08 Tatra Np Diesel-Brennkraftmaschine mit direkter Kraftstoffeinspritzung
US3954089A (en) * 1971-07-16 1976-05-04 Deere & Company Diesel engine
WO1988008081A1 (fr) * 1987-04-07 1988-10-20 Kabushiki Kaisha Komatsu Seisakusho Moteur a combustion interne
DE3920315A1 (de) * 1988-07-06 1990-01-11 Avl Verbrennungskraft Messtech Kraftstoffeinspritzduese
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
DE10026321A1 (de) * 2000-05-26 2001-11-29 Bosch Gmbh Robert Brennstoffeinspritzsystem und Verfahren zum Einspritzen

Also Published As

Publication number Publication date
FR2844012A1 (fr) 2004-03-05

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