BR112016015966A2 - piston top and internal combustion heat engine - Google Patents

piston top and internal combustion heat engine

Info

Publication number
BR112016015966A2
BR112016015966A2 BR112016015966A BR112016015966A BR112016015966A2 BR 112016015966 A2 BR112016015966 A2 BR 112016015966A2 BR 112016015966 A BR112016015966 A BR 112016015966A BR 112016015966 A BR112016015966 A BR 112016015966A BR 112016015966 A2 BR112016015966 A2 BR 112016015966A2
Authority
BR
Brazil
Prior art keywords
internal combustion
heat engine
combustion heat
piston top
piston
Prior art date
Application number
BR112016015966A
Other languages
Portuguese (pt)
Inventor
Laurent Delahaye
Frédéric Justet
Pascal Tribotte
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
Publication of BR112016015966A2 publication Critical patent/BR112016015966A2/en

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
    • F02B23/0693—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
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/102—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the spark plug being placed offset the cylinder centre 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
BR112016015966A 2014-01-24 2015-01-13 piston top and internal combustion heat engine BR112016015966A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1450618A FR3016925A1 (en) 2014-01-24 2014-01-24 NON-CIRCULAR CAVITY PISTON ROOF
PCT/FR2015/050068 WO2015110739A1 (en) 2014-01-24 2015-01-13 Piston top having a non-circular cavity

Publications (1)

Publication Number Publication Date
BR112016015966A2 true BR112016015966A2 (en) 2018-05-22

Family

ID=50424592

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016015966A BR112016015966A2 (en) 2014-01-24 2015-01-13 piston top and internal combustion heat engine

Country Status (4)

Country Link
EP (1) EP3097286A1 (en)
BR (1) BR112016015966A2 (en)
FR (1) FR3016925A1 (en)
WO (1) WO2015110739A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5918225A (en) * 1982-07-21 1984-01-30 Isuzu Motors Ltd Structure of piston head of direct ignition type diesel engine
JP2785848B2 (en) * 1989-07-12 1998-08-13 三菱電機株式会社 Measurement method for internal strain of crystal substrate
CA2190748C (en) * 1995-03-28 1999-04-20 Kyoya Igarashi In-cylinder injection internal combustion engine
KR19990042831A (en) * 1997-11-28 1999-06-15 정몽규 Tumble Direct Injection Engine
DE19962293A1 (en) * 1999-12-23 2001-06-28 Fev Motorentech Gmbh Piston internal combustion engine has direct fuel injection, roof-shaped cylinder ceiling and piston base in vertical section, one roof surface associated with inlet valves, one with outlet valve

Also Published As

Publication number Publication date
EP3097286A1 (en) 2016-11-30
WO2015110739A1 (en) 2015-07-30
FR3016925A1 (en) 2015-07-31

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]