FR2756589B1 - Moteur a combustion interne a allumage par compression et a injection directe - Google Patents

Moteur a combustion interne a allumage par compression et a injection directe

Info

Publication number
FR2756589B1
FR2756589B1 FR9614842A FR9614842A FR2756589B1 FR 2756589 B1 FR2756589 B1 FR 2756589B1 FR 9614842 A FR9614842 A FR 9614842A FR 9614842 A FR9614842 A FR 9614842A FR 2756589 B1 FR2756589 B1 FR 2756589B1
Authority
FR
France
Prior art keywords
combustion engine
internal combustion
direct injection
compression ignition
ignition
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
FR9614842A
Other languages
English (en)
Other versions
FR2756589A1 (fr
Inventor
Christophe Griard
Stephane Henriot
Marc Zolver
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 FR9614842A priority Critical patent/FR2756589B1/fr
Publication of FR2756589A1 publication Critical patent/FR2756589A1/fr
Application granted granted Critical
Publication of FR2756589B1 publication Critical patent/FR2756589B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02B23/0678—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
    • F02B23/0672—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • 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
FR9614842A 1996-12-02 1996-12-02 Moteur a combustion interne a allumage par compression et a injection directe Expired - Fee Related FR2756589B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9614842A FR2756589B1 (fr) 1996-12-02 1996-12-02 Moteur a combustion interne a allumage par compression et a injection directe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9614842A FR2756589B1 (fr) 1996-12-02 1996-12-02 Moteur a combustion interne a allumage par compression et a injection directe

Publications (2)

Publication Number Publication Date
FR2756589A1 FR2756589A1 (fr) 1998-06-05
FR2756589B1 true FR2756589B1 (fr) 1998-12-24

Family

ID=9498303

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9614842A Expired - Fee Related FR2756589B1 (fr) 1996-12-02 1996-12-02 Moteur a combustion interne a allumage par compression et a injection directe

Country Status (1)

Country Link
FR (1) FR2756589B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2859245B1 (fr) * 2003-08-28 2007-07-20 Renault Sa Piston pour moteur a combustion interne a allumage par compression
US20160102596A1 (en) * 2014-10-08 2016-04-14 Mahle Industries, Incorporated Piston crown cooling feature for diesel engines

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB696371A (en) * 1950-05-12 1953-08-26 Lister & Co Ltd R A Reciprocating fuel-injection engines
GB768992A (en) * 1952-04-30 1957-02-27 Mondial Piston Co Improvements in or relating to the combustion chambers of fuel injection internal combustion engines
FR1076741A (fr) * 1952-06-20 1954-10-28 Moteur à injection directe de combustible
GB1012924A (en) * 1963-10-17 1965-12-08 Lister & Co Ltd R A Improvements in or relating to internal combustion piston engines
DE1526305A1 (de) * 1965-08-06 1969-07-31 Kraus Werner Brennraum zur Aufbereitung des in ihm zur Verbrennung kommenden,eingespritzten Kraftstoffes
DE2407783A1 (de) * 1973-02-28 1974-09-12 List Hans Brennkraftmaschine mit im kolbenboden angeordneter brennraummulde
GB1540457A (en) * 1976-09-23 1979-02-14 Lister & Co Ltd R Piston for an internal combustion engine
JPS5360410A (en) * 1976-11-12 1978-05-31 Komatsu Ltd Combustion chamber
EP0105933B2 (fr) * 1982-04-23 1990-12-19 Hino Jidosha Kogyo Kabushiki Kaisha Chambre de combustion de moteur diesel
JPS5954728A (ja) * 1982-09-21 1984-03-29 Toyota Central Res & Dev Lab Inc 内燃機関の乱れ生成方法及びその内燃機関
DE3501271C2 (de) * 1985-01-16 1996-07-18 Yanmar Diesel Engine Co Hauptverbrennungskammer eines Dieselmotors mit Direkteinspritzung

Also Published As

Publication number Publication date
FR2756589A1 (fr) 1998-06-05

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Legal Events

Date Code Title Description
ST Notification of lapse