JP2008522091A - 内燃機関用のピストン - Google Patents

内燃機関用のピストン Download PDF

Info

Publication number
JP2008522091A
JP2008522091A JP2007543718A JP2007543718A JP2008522091A JP 2008522091 A JP2008522091 A JP 2008522091A JP 2007543718 A JP2007543718 A JP 2007543718A JP 2007543718 A JP2007543718 A JP 2007543718A JP 2008522091 A JP2008522091 A JP 2008522091A
Authority
JP
Japan
Prior art keywords
piston
combustion chamber
convex body
head
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.)
Pending
Application number
JP2007543718A
Other languages
English (en)
Japanese (ja)
Inventor
ボッチ、ジュゼッペ
Original Assignee
ビー.アール.ディー.・ディ・ボッチ・イング.・ジュゼッペ・アンド・シー.・エス.アール.エル.
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 ビー.アール.ディー.・ディ・ボッチ・イング.・ジュゼッペ・アンド・シー.・エス.アール.エル. filed Critical ビー.アール.ディー.・ディ・ボッチ・イング.・ジュゼッペ・アンド・シー.・エス.アール.エル.
Publication of JP2008522091A publication Critical patent/JP2008522091A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/26Pistons  having combustion chamber in piston head
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0678Unconventional, 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
    • F02B23/0681Square, rectangular or the like profiles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696W-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14Direct injection into combustion chamber
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
JP2007543718A 2004-12-03 2005-11-07 内燃機関用のピストン Pending JP2008522091A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000084A ITPR20040084A1 (it) 2004-12-03 2004-12-03 Pistone per motori a combustione interna.
PCT/EP2005/011872 WO2006058596A1 (en) 2004-12-03 2005-11-07 Piston for internal combustion engines

Publications (1)

Publication Number Publication Date
JP2008522091A true JP2008522091A (ja) 2008-06-26

Family

ID=35768802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007543718A Pending JP2008522091A (ja) 2004-12-03 2005-11-07 内燃機関用のピストン

Country Status (4)

Country Link
JP (1) JP2008522091A (it)
CN (1) CN101069009A (it)
IT (1) ITPR20040084A1 (it)
WO (1) WO2006058596A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005043747A1 (de) 2005-09-14 2007-03-22 GM Global Technology Operations, Inc., Detroit Kolben für eine Brennkraftmaschine
DE102015005469A1 (de) * 2015-04-29 2016-11-03 Caterpillar Motoren Gmbh & Co. Kg Kolbenkrone mit kolbenbodenmulde
WO2023110130A1 (en) * 2021-12-17 2023-06-22 Volvo Truck Corporation A piston and an internal combustion engine system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198948A (ja) * 1984-10-22 1986-05-17 Toyota Motor Corp 内燃機関用ピストン

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803250A (en) * 1927-05-12 1931-04-28 Hemmingsen Torkild Valdemar Internal-combustion engine
DE3732925C1 (de) * 1987-09-30 1988-12-08 Mahle Gmbh Gekuehlter Tauchkolben fuer Verbrennungsmotoren
DE19519730A1 (de) * 1995-06-02 1996-12-05 Kolbenschmidt Ag Kolben-Pleuel-Anordnung für Brennkraftmaschinen
DE19846152A1 (de) * 1998-10-07 2000-04-13 Mahle Gmbh Kolben mit Kolbengrundkörper aus geschmiedetem Stahl und einem Kühlkanal
EP0997611B1 (en) * 1998-10-28 2005-09-07 Nissan Motor Company Limited Direct injection internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198948A (ja) * 1984-10-22 1986-05-17 Toyota Motor Corp 内燃機関用ピストン

Also Published As

Publication number Publication date
CN101069009A (zh) 2007-11-07
ITPR20040084A1 (it) 2005-03-03
WO2006058596A1 (en) 2006-06-08

Similar Documents

Publication Publication Date Title
JP5451490B2 (ja) 点火プラグ及びエンジン
US4467752A (en) Internal combustion engine
US6237579B1 (en) Design to improve turbulence in combustion chambers
JP5748156B2 (ja) 燃焼エンジンシリンダ内で往復移動するように配置されたピストン
US20160169086A1 (en) Combustion chamber with ducts for internal combustion engines
JP2008512604A (ja) スワッシュプレートを有する2サイクル内燃機関
US11199155B2 (en) Piston crown for a combustion system and an associated method thereof
JP3030415B2 (ja) 筒内噴射エンジンのピストン
JP2015529296A (ja) 内燃機関のための可変行程機構
JP2008522091A (ja) 内燃機関用のピストン
JP4442542B2 (ja) 往復動ピストン型エンジン
CN101684761B (zh) 具有高挤流活塞的内燃机
JP2007100547A (ja) 往復動ピストン型火花点火式直噴エンジン
JP2021080899A (ja) 内燃機関
US11512663B2 (en) Engine with combustion chamber
RU2239708C2 (ru) Двигатель внутреннего сгорания
JP4609708B2 (ja) 火花点火式直噴エンジン
US11840983B2 (en) Low compression natural gas engine piston bowl for improved combustion stability
JP2006152825A (ja) 内燃機関の燃焼室
US20200217267A1 (en) Parabolic combustion engine
RU2227835C2 (ru) Двигатель внутреннего сгорания
EP0150989B1 (en) Spark ignited internal combustion engines
RU2002129181A (ru) Двигатель внутреннего сгорания
CN2568826Y (zh) 发动机新型活塞
JP2022136395A (ja) エンジンの燃焼室構造

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080318

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100316

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100817