FR2902462B1 - Moteur a combustion interne du type diesel a injection directe - Google Patents

Moteur a combustion interne du type diesel a injection directe

Info

Publication number
FR2902462B1
FR2902462B1 FR0605438A FR0605438A FR2902462B1 FR 2902462 B1 FR2902462 B1 FR 2902462B1 FR 0605438 A FR0605438 A FR 0605438A FR 0605438 A FR0605438 A FR 0605438A FR 2902462 B1 FR2902462 B1 FR 2902462B1
Authority
FR
France
Prior art keywords
combustion engine
internal combustion
direct injection
type internal
injection diesel
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.)
Active
Application number
FR0605438A
Other languages
English (en)
Other versions
FR2902462A1 (fr
Inventor
Bertrand Fasolo
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 FR0605438A priority Critical patent/FR2902462B1/fr
Publication of FR2902462A1 publication Critical patent/FR2902462A1/fr
Application granted granted Critical
Publication of FR2902462B1 publication Critical patent/FR2902462B1/fr
Active 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
    • F02B23/0645—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
    • 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
    • F02B23/0654—Thermal treatments, e.g. with heating elements or local cooling
    • F02B23/0657—Thermal treatments, e.g. with heating elements or local cooling the spray interacting with one or more glow plugs
    • 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
    • F02B23/0678—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
    • 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
    • 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)
FR0605438A 2006-06-19 2006-06-19 Moteur a combustion interne du type diesel a injection directe Active FR2902462B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0605438A FR2902462B1 (fr) 2006-06-19 2006-06-19 Moteur a combustion interne du type diesel a injection directe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605438A FR2902462B1 (fr) 2006-06-19 2006-06-19 Moteur a combustion interne du type diesel a injection directe

Publications (2)

Publication Number Publication Date
FR2902462A1 FR2902462A1 (fr) 2007-12-21
FR2902462B1 true FR2902462B1 (fr) 2008-08-22

Family

ID=37532447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0605438A Active FR2902462B1 (fr) 2006-06-19 2006-06-19 Moteur a combustion interne du type diesel a injection directe

Country Status (1)

Country Link
FR (1) FR2902462B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013217306A (ja) * 2012-04-10 2013-10-24 Isuzu Motors Ltd 直噴式エンジンの燃焼室構造
US9611806B2 (en) 2014-11-18 2017-04-04 Caterpillar Inc. Engine piston
JP6519633B2 (ja) 2017-08-28 2019-05-29 マツダ株式会社 エンジンの燃焼室構造
CN111051663B (zh) 2017-08-28 2022-06-03 马自达汽车株式会社 发动机的燃烧室结构
JP7137118B2 (ja) 2018-06-28 2022-09-14 マツダ株式会社 ディーゼルエンジンの燃料噴射制御装置
JP7067316B2 (ja) 2018-06-28 2022-05-16 マツダ株式会社 ディーゼルエンジンの燃料噴射制御装置
JP7047751B2 (ja) * 2018-12-25 2022-04-05 マツダ株式会社 圧縮着火エンジン

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63255511A (ja) * 1987-04-10 1988-10-21 Mazda Motor Corp 直噴式エンジン
JP2003041937A (ja) * 2001-07-27 2003-02-13 Hitachi Unisia Automotive Ltd ディーゼルエンジンのピストン構造
JP2003254066A (ja) * 2002-03-01 2003-09-10 Honda Motor Co Ltd ディーゼルエンジン
FR2849900B1 (fr) * 2003-01-13 2006-11-17 Renault Sa Chambre de combustion destinee a reduire les emissions de suies

Also Published As

Publication number Publication date
FR2902462A1 (fr) 2007-12-21

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