KR20120065150A - 보울이 형성된 피스톤 - Google Patents

보울이 형성된 피스톤 Download PDF

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Publication number
KR20120065150A
KR20120065150A KR1020100126512A KR20100126512A KR20120065150A KR 20120065150 A KR20120065150 A KR 20120065150A KR 1020100126512 A KR1020100126512 A KR 1020100126512A KR 20100126512 A KR20100126512 A KR 20100126512A KR 20120065150 A KR20120065150 A KR 20120065150A
Authority
KR
South Korea
Prior art keywords
bowl
piston
bottom edge
groove
lip
Prior art date
Application number
KR1020100126512A
Other languages
English (en)
Korean (ko)
Inventor
이명준
Original Assignee
현대자동차주식회사
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 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020100126512A priority Critical patent/KR20120065150A/ko
Priority to CN201110406529XA priority patent/CN102562350A/zh
Priority to DE102011056218A priority patent/DE102011056218A1/de
Publication of KR20120065150A publication Critical patent/KR20120065150A/ko

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    • 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
    • F02B23/0672Omega-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
    • 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
    • F02B23/0693Unconventional, 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
    • 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

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  • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
KR1020100126512A 2010-12-10 2010-12-10 보울이 형성된 피스톤 KR20120065150A (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020100126512A KR20120065150A (ko) 2010-12-10 2010-12-10 보울이 형성된 피스톤
CN201110406529XA CN102562350A (zh) 2010-12-10 2011-12-08 具有碗部的活塞
DE102011056218A DE102011056218A1 (de) 2010-12-10 2011-12-09 Kolben mit Mulde

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100126512A KR20120065150A (ko) 2010-12-10 2010-12-10 보울이 형성된 피스톤

Publications (1)

Publication Number Publication Date
KR20120065150A true KR20120065150A (ko) 2012-06-20

Family

ID=46144784

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100126512A KR20120065150A (ko) 2010-12-10 2010-12-10 보울이 형성된 피스톤

Country Status (3)

Country Link
KR (1) KR20120065150A (zh)
CN (1) CN102562350A (zh)
DE (1) DE102011056218A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101996085B1 (ko) * 2012-09-14 2019-07-03 두산인프라코어 주식회사 질소 산화물 저감을 위한 직접 분사식 디젤 엔진의 연소실
US9328693B2 (en) 2013-07-17 2016-05-03 Electro-Motive Diesel, Inc. Piston, engine and operating method for reduced production of particulate matter
US10184388B1 (en) * 2015-11-30 2019-01-22 Caterpillar Inc. Engine piston
JP2021011843A (ja) * 2019-07-05 2021-02-04 三菱重工エンジン&ターボチャージャ株式会社 内燃機関のピストンおよび内燃機関

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1240526B (it) * 1990-07-31 1993-12-17 Borgo Nova S.P.A. Perfezionamento relativo a pistoni, in genere.
US20060096557A1 (en) * 2004-09-30 2006-05-11 Ken Christain Monosteel piston having oil drainage groove with enhanced drainage features
US7458358B2 (en) * 2006-05-10 2008-12-02 Federal Mogul World Wide, Inc. Thermal oxidation protective surface for steel pistons
US8042453B2 (en) * 2007-08-13 2011-10-25 Federal-Mogul Corporation Piston with a skirt having oil flow slots
US8534251B2 (en) 2010-05-17 2013-09-17 GM Global Technology Operations LLC Engine assembly with camshaft housing

Also Published As

Publication number Publication date
CN102562350A (zh) 2012-07-11
DE102011056218A1 (de) 2012-06-14

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application