FR2864581B1 - Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur - Google Patents

Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur

Info

Publication number
FR2864581B1
FR2864581B1 FR0315443A FR0315443A FR2864581B1 FR 2864581 B1 FR2864581 B1 FR 2864581B1 FR 0315443 A FR0315443 A FR 0315443A FR 0315443 A FR0315443 A FR 0315443A FR 2864581 B1 FR2864581 B1 FR 2864581B1
Authority
FR
France
Prior art keywords
piston
controlling
motor
combustion engine
internal combustion
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
FR0315443A
Other languages
English (en)
Other versions
FR2864581A1 (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 FR0315443A priority Critical patent/FR2864581B1/fr
Publication of FR2864581A1 publication Critical patent/FR2864581A1/fr
Application granted granted Critical
Publication of FR2864581B1 publication Critical patent/FR2864581B1/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
    • F02B23/0618—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
    • F02B23/0621—Squish 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
    • F02B23/0672—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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/26—Pistons  having combustion chamber in piston head
    • 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
    • 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)
FR0315443A 2003-12-26 2003-12-26 Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur Expired - Fee Related FR2864581B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0315443A FR2864581B1 (fr) 2003-12-26 2003-12-26 Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0315443A FR2864581B1 (fr) 2003-12-26 2003-12-26 Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur

Publications (2)

Publication Number Publication Date
FR2864581A1 FR2864581A1 (fr) 2005-07-01
FR2864581B1 true FR2864581B1 (fr) 2008-07-18

Family

ID=34639630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0315443A Expired - Fee Related FR2864581B1 (fr) 2003-12-26 2003-12-26 Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur

Country Status (1)

Country Link
FR (1) FR2864581B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8978621B2 (en) * 2010-04-20 2015-03-17 Caterpillar Inc. Piston having combustion bowl shaped to balance combustion efficiency and emission properties
US9234451B2 (en) * 2010-04-20 2016-01-12 Caterpillar Inc. Piston having combustion bowl shaped to balance combustion efficiency and emission properties
US9429101B2 (en) 2013-08-21 2016-08-30 Caterpillar Inc. Combustion engine piston and engine using same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0299718A (ja) * 1988-10-07 1990-04-11 Mitsubishi Motors Corp 直接噴射式ディーゼル機関の燃焼室構造
JPH11190217A (ja) * 1997-10-20 1999-07-13 Nissan Motor Co Ltd 直噴式ディーゼルエンジン
US6601561B1 (en) * 2002-01-30 2003-08-05 International Engine Intellectual Property Company, Llc Combustion chamber
US6732702B2 (en) * 2002-01-23 2004-05-11 International Engine Intellectual Property Company, Llc Combustion chamber
AT5997U1 (de) * 2002-01-10 2003-02-25 Avl List Gmbh Kolben für eine luftverdichtende brennkraftmaschine

Also Published As

Publication number Publication date
FR2864581A1 (fr) 2005-07-01

Similar Documents

Publication Publication Date Title
FR2850430B1 (fr) Moteur a combustion interne et procede de fonctionnement du moteur a combustion interne
FR2809454B1 (fr) Procede de fonctionnement d'un moteur a combustion interne
FR2851302B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2850432B1 (fr) Procede de fonctionnement d'un moteur a combustion interne
FR2833038B1 (fr) Procede pour le fonctionnement d'un moteur a combustion interne a plusieurs cylindres
FR2863007B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2861806B1 (fr) Systeme de commande d'injection d'un moteur a combustion interne
FR2873763B1 (fr) Dispositif d'allumage pour moteur a combustion interne et moteur comportant un tel dispositif
FR2844299B1 (fr) Procede de fonctionnement d'un moteur a combustion interne et moteur a combustion interne mettant en oeuvre ce procede
FR2793846B1 (fr) Procede de fonctionnement d'un moteur a combustion interne
FR2858666B1 (fr) Procede de demarrage d'un moteur a combustion interne a plusieurs cylindres
FR2850429B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2864581B1 (fr) Piston, moteur a combustion interne comportant un tel piston et procede de commande d'un tel moteur
FR2846380B1 (fr) Ensemble a demarreur/alternateur pour moteur a combustion interne et procede pour sa commande
FR2864153B1 (fr) Procede de commande d'un moteur a combustion interne suralimente a au moins deux cylindres et moteur utilisant un tel procede
FR2853361B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2840957B1 (fr) Procede de commande de la selection du mode d'exploitation d'un moteur a combustion interne
FR2849897B1 (fr) Procede de fonctionnement d'un moteur a combustion interne
FR2794805B1 (fr) Procede de regulation d'un moteur a combustion interne
FR2797912B1 (fr) Moteur a combustion interne du type a allumage par compression et son procede de commande
FR2857055B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2834315B1 (fr) Disositif de demarreur pour demarrer un moteur a combustion interne
FR2862092B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2852630B1 (fr) Procede de gestion d'un moteur a combustion interne
FR2852632B1 (fr) Procede de regulation et commande pour un moteur a combustion interne

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

ST Notification of lapse

Effective date: 20180831