FR2904053B1 - Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant - Google Patents

Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant

Info

Publication number
FR2904053B1
FR2904053B1 FR0606639A FR0606639A FR2904053B1 FR 2904053 B1 FR2904053 B1 FR 2904053B1 FR 0606639 A FR0606639 A FR 0606639A FR 0606639 A FR0606639 A FR 0606639A FR 2904053 B1 FR2904053 B1 FR 2904053B1
Authority
FR
France
Prior art keywords
bowl
piston
combustion engine
internal combustion
direct injection
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 - Fee Related
Application number
FR0606639A
Other languages
English (en)
Other versions
FR2904053A1 (fr
Inventor
Bruno Walter
Sebastien Potteau
Didier Ambrazas
Alexandre Pagot
Fabrice Cedrone
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR0606639A priority Critical patent/FR2904053B1/fr
Publication of FR2904053A1 publication Critical patent/FR2904053A1/fr
Application granted granted Critical
Publication of FR2904053B1 publication Critical patent/FR2904053B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F02B23/0672—Omega-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 center 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
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • 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
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/0687—Multiple bowls in the piston, e.g. one bowl per fuel spray jet
    • 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
    • F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
    • F02B23/0693—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets the combustion space consisting of step-wise widened multiple zones of different depth
    • 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
    • F02B23/0645—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)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
FR0606639A 2006-07-18 2006-07-18 Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant Expired - Fee Related FR2904053B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0606639A FR2904053B1 (fr) 2006-07-18 2006-07-18 Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0606639A FR2904053B1 (fr) 2006-07-18 2006-07-18 Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant

Publications (2)

Publication Number Publication Date
FR2904053A1 FR2904053A1 (fr) 2008-01-25
FR2904053B1 true FR2904053B1 (fr) 2012-02-03

Family

ID=37762358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0606639A Expired - Fee Related FR2904053B1 (fr) 2006-07-18 2006-07-18 Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant

Country Status (1)

Country Link
FR (1) FR2904053B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10113503B2 (en) * 2016-10-11 2018-10-30 Caterpillar Inc. Combustion bowl of a piston for an engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086588B2 (ja) * 1991-02-18 1996-01-24 株式会社新燃焼システム研究所 直接噴射式ディーゼル機関の燃焼室
JPH0742558A (ja) * 1993-07-30 1995-02-10 Nissan Motor Co Ltd ディーゼル機関の燃焼室の構造
JPH07269352A (ja) * 1994-03-30 1995-10-17 Isuzu Motors Ltd 直接噴射式ディーゼルエンジン

Also Published As

Publication number Publication date
FR2904053A1 (fr) 2008-01-25

Similar Documents

Publication Publication Date Title
FR2926850B1 (fr) Procede de balayage des gaz brules residuels avec une double levee de soupape d'admission d'un moteur a combustion interne suralimente a injection directe, notamment de type diesel
FR2891305B1 (fr) Ligne d'echappement de moteur de vehicule comprenant un injecteur de carburant
WO2007125400A3 (fr) Moteur à combustion interne à allumage commandé de type injection dans le cylindre
FR2865776B1 (fr) Systeme d'injection de carburant pour un moteur a combustion interne
FR2860557B1 (fr) Injecteur de carburant de moteur a combustion interne pour vehicule comprenant une buse presentant au moins un orifice
FR2832463B1 (fr) Installation d'injection de carburant pour un moteur a combustion interne
FR2868480B1 (fr) Moteur a combustion interne a injection directe
FR2902462B1 (fr) Moteur a combustion interne du type diesel a injection directe
FR2866395B1 (fr) Injecteur de carburant pour un moteur a combustion interne
FR2904053B1 (fr) Moteur a combustion interne a injection directe,en particulier de type diesel,avec un piston muni d'un bol dote d'au moins une surface deflectrice de carburant
FR2899283B1 (fr) Procede d'injection de carburant dans un moteur a combustion interne
FR2837238B1 (fr) Moteur a combustion interne avec dispositif d'injection de carburant
FR2850706B1 (fr) Procede pour actionner un moteur a combustion interne fonctionnant avec injection directe de carburant
FR2883336B1 (fr) Moteur a combustion interne, notamment a injection directe, avec un piston muni d'un bol conprenant un teton
FR2834000B1 (fr) Moteur a combustion interne avec une injection directe
FR2932847B1 (fr) Moteur a combustion interne equipe d'un turbocompresseur de suralimentation.
FR2874662B1 (fr) Moteur a combustion interne a injection directe dans le cylindre
FR3071879B1 (fr) Moteur a combustion interne a deux soupapes
HK1116849A1 (en) New two-stroke internal combustion engine supplied with gasoline, diesel, fuel, or other conventional fuel
FR2843617B1 (fr) Injecteur de carburant pour un moteur a combustion interne
FR2909725B1 (fr) Moteur a combustion interne a injection directe de carburant avec un piston muni d'un bol logeant un teton,en particulier moteur de type diesel.
FR2866393B1 (fr) Moteur a combustion interne a injection directe
FR2862351B1 (fr) Injecteur de carburant pour un moteur a combustion interne
FR2887304B1 (fr) Moteur a combustion interne comprenant un injecteur de carburant adapte pour le demarrage dudit moteur
FR2903458B1 (fr) Injecteur de carburant pour moteur a combustion interne.

Legal Events

Date Code Title Description
FC Favourable decision of inpi director general on an application for restauration.
CD Change of name or company name
ST Notification of lapse

Effective date: 20150331