FR2952680B1 - Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston - Google Patents

Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston

Info

Publication number
FR2952680B1
FR2952680B1 FR0957991A FR0957991A FR2952680B1 FR 2952680 B1 FR2952680 B1 FR 2952680B1 FR 0957991 A FR0957991 A FR 0957991A FR 0957991 A FR0957991 A FR 0957991A FR 2952680 B1 FR2952680 B1 FR 2952680B1
Authority
FR
France
Prior art keywords
piston
combustion engine
internal combustion
engine
internal
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
FR0957991A
Other languages
English (en)
Other versions
FR2952680A1 (fr
Inventor
Clement Dumand
Ludovic Thobois
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0957991A priority Critical patent/FR2952680B1/fr
Publication of FR2952680A1 publication Critical patent/FR2952680A1/fr
Application granted granted Critical
Publication of FR2952680B1 publication Critical patent/FR2952680B1/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
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00—Pistons 
    • F02F3/28—Other pistons with specially-shaped 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
    • F02B23/0618—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
    • F02B23/0618—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
    • F02B23/0678—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
    • 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
    • F02B2275/40—Squish effect
    • 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)
FR0957991A 2009-11-13 2009-11-13 Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston Expired - Fee Related FR2952680B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0957991A FR2952680B1 (fr) 2009-11-13 2009-11-13 Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0957991A FR2952680B1 (fr) 2009-11-13 2009-11-13 Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston

Publications (2)

Publication Number Publication Date
FR2952680A1 FR2952680A1 (fr) 2011-05-20
FR2952680B1 true FR2952680B1 (fr) 2011-11-25

Family

ID=41510979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957991A Expired - Fee Related FR2952680B1 (fr) 2009-11-13 2009-11-13 Piston pour moteur a combustion interne et moteur a combustion interne comprenant un tel piston

Country Status (1)

Country Link
FR (1) FR2952680B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509838A (en) * 1938-01-21 1939-07-21 Ass Equipment Co Ltd Improvements in or relating to liquid-fuel injection internal-combustion engines
GB767288A (en) * 1952-02-22 1957-01-30 Hans Krug Improvements in or relating to compression ignition engines
DE1122323B (de) * 1960-10-11 1962-01-18 Mak Maschb Kiel G M B H Einspritzbrennkraftmaschine
JPS5360410A (en) * 1976-11-12 1978-05-31 Komatsu Ltd Combustion chamber
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

Also Published As

Publication number Publication date
FR2952680A1 (fr) 2011-05-20

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

CA Change of address

Effective date: 20180312

CD Change of name or company name

Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR

Effective date: 20180312

ST Notification of lapse

Effective date: 20180731