FR2909725B1 - INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE. - Google Patents

INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE.

Info

Publication number
FR2909725B1
FR2909725B1 FR0610973A FR0610973A FR2909725B1 FR 2909725 B1 FR2909725 B1 FR 2909725B1 FR 0610973 A FR0610973 A FR 0610973A FR 0610973 A FR0610973 A FR 0610973A FR 2909725 B1 FR2909725 B1 FR 2909725B1
Authority
FR
France
Prior art keywords
toe
internal combustion
fuel injection
direct fuel
piston provided
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
FR0610973A
Other languages
French (fr)
Other versions
FR2909725A1 (en
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 FR0610973A priority Critical patent/FR2909725B1/en
Publication of FR2909725A1 publication Critical patent/FR2909725A1/en
Application granted granted Critical
Publication of FR2909725B1 publication Critical patent/FR2909725B1/en
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
    • F02B23/0645—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
    • 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
    • F02B23/0678—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
    • 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)
FR0610973A 2006-12-12 2006-12-12 INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE. Expired - Fee Related FR2909725B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0610973A FR2909725B1 (en) 2006-12-12 2006-12-12 INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0610973A FR2909725B1 (en) 2006-12-12 2006-12-12 INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE.

Publications (2)

Publication Number Publication Date
FR2909725A1 FR2909725A1 (en) 2008-06-13
FR2909725B1 true FR2909725B1 (en) 2012-01-27

Family

ID=38185508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0610973A Expired - Fee Related FR2909725B1 (en) 2006-12-12 2006-12-12 INTERNAL COMBUSTION ENGINE WITH DIRECT FUEL INJECTION WITH A PISTON PROVIDED WITH A BOWL LOADING A TOE, ESPECIALLY A DIESEL ENGINE.

Country Status (1)

Country Link
FR (1) FR2909725B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62195408A (en) * 1986-02-22 1987-08-28 Nippon Clean Engine Res Fuel system of diesel engine with fuel jet impact splash diffusion and multi-fuel internal combustion engine with impact splash diffusion combustion
JPS6429616A (en) * 1987-07-23 1989-01-31 Toyota Motor Corp Direct injection type diesel engine and method for combustion in said engine
JPH07122406B2 (en) * 1991-09-24 1995-12-25 株式会社新燃焼システム研究所 Combustion chamber of direct injection diesel engine
FR2716495B1 (en) * 1994-02-22 1996-05-03 Peugeot Arrangements for improving the operation of direct injection diesel engines.
JPH09236016A (en) * 1995-12-28 1997-09-09 Isuzu Motors Ltd Combustion chamber of direct injection diesel engine

Also Published As

Publication number Publication date
FR2909725A1 (en) 2008-06-13

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Legal Events

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CD Change of name or company name
ST Notification of lapse

Effective date: 20140829