FR2894614B1 - Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe - Google Patents

Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe

Info

Publication number
FR2894614B1
FR2894614B1 FR0553779A FR0553779A FR2894614B1 FR 2894614 B1 FR2894614 B1 FR 2894614B1 FR 0553779 A FR0553779 A FR 0553779A FR 0553779 A FR0553779 A FR 0553779A FR 2894614 B1 FR2894614 B1 FR 2894614B1
Authority
FR
France
Prior art keywords
boss
piston
combustion engine
internal combustion
complex geometry
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
FR0553779A
Other languages
English (en)
Other versions
FR2894614A1 (fr
Inventor
Franck Levy
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 FR0553779A priority Critical patent/FR2894614B1/fr
Priority to US12/094,658 priority patent/US20090205607A1/en
Priority to EP06842055A priority patent/EP1957772A1/fr
Priority to JP2008543874A priority patent/JP2009518574A/ja
Priority to PCT/FR2006/051244 priority patent/WO2007066027A1/fr
Publication of FR2894614A1 publication Critical patent/FR2894614A1/fr
Application granted granted Critical
Publication of FR2894614B1 publication Critical patent/FR2894614B1/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
    • F02B23/0618—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
    • F02B23/0648—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
    • F02B23/066—Details related to the fuel injector or the fuel spray the injector being located substantially off-set from the cylinder centre 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
    • F02B23/0672—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
    • 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)
  • Fuel-Injection Apparatus (AREA)
FR0553779A 2005-12-08 2005-12-08 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe Expired - Fee Related FR2894614B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0553779A FR2894614B1 (fr) 2005-12-08 2005-12-08 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe
US12/094,658 US20090205607A1 (en) 2005-12-08 2006-11-29 Internal combustion engine including a piston with a geometrically-complex boss
EP06842055A EP1957772A1 (fr) 2005-12-08 2006-11-29 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe
JP2008543874A JP2009518574A (ja) 2005-12-08 2006-11-29 複雑な幾何形状のボスを含むピストンを有する内燃機関
PCT/FR2006/051244 WO2007066027A1 (fr) 2005-12-08 2006-11-29 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0553779A FR2894614B1 (fr) 2005-12-08 2005-12-08 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe

Publications (2)

Publication Number Publication Date
FR2894614A1 FR2894614A1 (fr) 2007-06-15
FR2894614B1 true FR2894614B1 (fr) 2008-02-29

Family

ID=36952598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0553779A Expired - Fee Related FR2894614B1 (fr) 2005-12-08 2005-12-08 Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe

Country Status (5)

Country Link
US (1) US20090205607A1 (fr)
EP (1) EP1957772A1 (fr)
JP (1) JP2009518574A (fr)
FR (1) FR2894614B1 (fr)
WO (1) WO2007066027A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE529618T1 (de) * 2007-04-06 2011-11-15 Honda Motor Co Ltd Direkteinspritzmotor
FR2925602A1 (fr) * 2007-12-19 2009-06-26 Renault Sas Chambre de combustion dissymetrique pour moteur thermique
US8291881B2 (en) * 2009-12-22 2012-10-23 Perkins Engine Company Limited Piston for internal combustion engine
US8459229B2 (en) 2010-04-20 2013-06-11 Southwest Research Institute Piston bowl with spray jet targets
US9279361B2 (en) 2010-04-20 2016-03-08 Southwest Research Institute Piston bowl with spray jet targets
US8555854B2 (en) 2010-04-26 2013-10-15 Southwest Research Institute Piston bowl with deflecting features
US8677974B2 (en) 2010-05-04 2014-03-25 Southwest Research Institute Piston bowl with flat bottom
DE102010032442B4 (de) * 2010-07-28 2014-10-30 Audi Ag Selbstzündende Brennkraftmaschine mit Kolbenmulden mit Drallstufung
CH704511A1 (de) * 2011-02-18 2012-08-31 Liebherr Machines Bulle Sa Gasottomotor.
US10422299B2 (en) * 2016-04-21 2019-09-24 Tenneco Inc. Piston with asymmetric upper combustion surface and method of manufacture thereof
WO2018096592A1 (fr) * 2016-11-22 2018-05-31 マツダ株式会社 Moteur diesel
CN111857192B (zh) * 2019-04-29 2024-03-05 新奥数能科技有限公司 喷射器的调控方法及装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3590066C2 (fr) * 1984-02-15 1993-06-24 Mitsubishi Jidosha Kogyo K.K., Tokio/Tokyo, Jp
IT8548542A0 (it) * 1985-09-10 1985-09-10 Cola Umberto Dispositivo per aumentare la potenza, la velocita' e il rendimento del motore a scoppio e del motore diesel
DE3771942D1 (de) * 1986-06-19 1991-09-12 Nippon Clean Engine Res Brennkraftmaschine mit brennstoffeinspritzung.
US4788942A (en) * 1986-06-30 1988-12-06 Sonex Research, Inc. Internal combustion engine using dynamic resonating air chamber
AT398606B (de) * 1986-12-12 1995-01-25 Avl Verbrennungskraft Messtech Luftverdichtende, ventilgesteuerte brennkraftmaschine
AT399912B (de) * 1989-02-15 1995-08-25 Avl Verbrennungskraft Messtech Luftverdichtende, ventilgesteuerte brennkraftmaschine
US5099809A (en) * 1989-08-09 1992-03-31 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Combustion chamber for a diesel engine
US5285755A (en) * 1993-03-08 1994-02-15 Chrysler Corporation Open chamber diesel engine having a piston with recesses therein
US5309879A (en) * 1993-03-08 1994-05-10 Chrysler Corporation Double overhead camshaft four valve diesel engine with side prechamber
US5794582A (en) * 1995-09-26 1998-08-18 Isuzu Motors Ltd. Connecting structure of piston and connecting rod
JPH11190217A (ja) * 1997-10-20 1999-07-13 Nissan Motor Co Ltd 直噴式ディーゼルエンジン
US5970946A (en) * 1997-11-18 1999-10-26 Shea; Patrick R. Non-annular piston bowl for two-valve engines using offset injectors
AT3016U1 (de) * 1998-08-13 1999-08-25 Avl List Gmbh Luftverdichtende, ventilgesteuerte brennkraftmaschine mit direkter kraftstoffeinspritzung
SE524347C2 (sv) * 2002-02-01 2004-07-27 Scania Cv Abp Förbränningsmotor
US6892693B2 (en) * 2003-02-12 2005-05-17 Bombardier Recreational Products, Inc. Piston for spark-ignited direct fuel injection engine

Also Published As

Publication number Publication date
EP1957772A1 (fr) 2008-08-20
WO2007066027A1 (fr) 2007-06-14
US20090205607A1 (en) 2009-08-20
FR2894614A1 (fr) 2007-06-15
JP2009518574A (ja) 2009-05-07

Similar Documents

Publication Publication Date Title
FR2894614B1 (fr) Moteur a combustion interne comportant un piston comportant un bossage de geometrie complexe
FR2900973B1 (fr) Moteur a combustion interne.
DE602006008829D1 (de) Kolbenring für verbrennungsmotoren
DE602007002334D1 (de) Kolbenring für Verbrennungsmotoren
EP1835145A4 (fr) Moteur a combustion interne a piston rotatif
FR2887921B1 (fr) Pompe a huile pour moteur a combustion interne
FR2925600B1 (fr) Moteur a combustion interne
FR2854200B1 (fr) Echappement pour moteur a combustion interne
FR2894295B1 (fr) Module multifonctionnel pour moteur a combustion interne
FR2918710B1 (fr) Agencement pour un moteur a combustion interne comportant deux turbocompresseurs.
DE602006000067D1 (de) Variabler Ventilsteuermechanismus für Viertakt-Brennkraftmaschine
FR2874646B1 (fr) Deshuileur pour moteur a combustion interne
FR2940387B3 (fr) Axe de piston pour un moteur a combustion interne
DE602007004597D1 (de) Kolben für verbrennungsmotoren
FR2902462B1 (fr) Moteur a combustion interne du type diesel a injection directe
DE502006005712D1 (de) Kolben für Brennkraftmaschine
FR2914367B1 (fr) Systeme de suralimentation a double etage pour moteur a combustion interne
GB2442794B (en) An internal combustion engine having a turbocharger
FR2856113B1 (fr) Moteur a combustion interne
FR2939844B1 (fr) Moteur a combustion interne a chambre de combustion a geometrie variable.
FR2915530B1 (fr) Filtre a air pour un moteur a combustion interne
FR2920706B1 (fr) Module multifonctionnel pour moteur a combustion interne
FR2928409B1 (fr) Culbuteur pour moteur a combustion interne
FR2912184B1 (fr) Moteur a combustion interne a injection directe
DE502005008583D1 (de) Krümmer für einen mehrzylinder-verbrennungsmotor

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 12

PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20200914