KR20180120698A - 공기-압축 내연기관 - Google Patents

공기-압축 내연기관 Download PDF

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Publication number
KR20180120698A
KR20180120698A KR1020187025991A KR20187025991A KR20180120698A KR 20180120698 A KR20180120698 A KR 20180120698A KR 1020187025991 A KR1020187025991 A KR 1020187025991A KR 20187025991 A KR20187025991 A KR 20187025991A KR 20180120698 A KR20180120698 A KR 20180120698A
Authority
KR
South Korea
Prior art keywords
piston
annular surface
trough
section
combustion chamber
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.)
Withdrawn
Application number
KR1020187025991A
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English (en)
Korean (ko)
Inventor
알렉산더 막홀드
루드비히 버그러
헤르비히 오프너
마리나 텔리즈
Original Assignee
아베엘 리스트 게엠베하
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 아베엘 리스트 게엠베하 filed Critical 아베엘 리스트 게엠베하
Publication of KR20180120698A publication Critical patent/KR20180120698A/ko
Withdrawn legal-status Critical Current

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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
    • F02B23/0696W-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
    • F02B23/02Other 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
    • F02B23/0618Other 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
    • 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
    • F02B23/0645Details related to the fuel injector or the fuel spray
    • F02B23/0648Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651Means 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
    • 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
    • F02B23/0645Details related to the fuel injector or the fuel spray
    • F02B23/0669Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • 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
    • F02B23/0684Ring like bowl, e.g. toroidal
    • 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
    • F02B23/0687Multiple bowls in the piston, e.g. one bowl per fuel spray jet
    • 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
    • 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
    • F02B23/10Other 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
    • 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
    • F02B23/10Other 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
    • F02B23/101Other 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 injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
    • 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
    • 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)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
KR1020187025991A 2016-03-10 2017-02-21 공기-압축 내연기관 Withdrawn KR20180120698A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA50201/2016 2016-03-10
ATA50201/2016A AT518516B1 (de) 2016-03-10 2016-03-10 Kolben für eine luftverdichtende brennkraftmaschine
PCT/AT2017/060035 WO2017152203A1 (de) 2016-03-10 2017-02-21 Luftverdichtende brennkraftmaschine

Publications (1)

Publication Number Publication Date
KR20180120698A true KR20180120698A (ko) 2018-11-06

Family

ID=58191190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187025991A Withdrawn KR20180120698A (ko) 2016-03-10 2017-02-21 공기-압축 내연기관

Country Status (7)

Country Link
US (1) US20200340391A1 (enExample)
JP (1) JP2019507848A (enExample)
KR (1) KR20180120698A (enExample)
CN (1) CN108779704A (enExample)
AT (1) AT518516B1 (enExample)
DE (1) DE112017000251A5 (enExample)
WO (1) WO2017152203A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800001869A1 (it) * 2018-01-25 2019-07-25 Fpt Motorenforschung Ag Pistone di motore
CN108518272A (zh) * 2018-03-29 2018-09-11 天津中恒动力研究院有限公司 发动机总成
DE102018006635B4 (de) 2018-08-22 2020-07-09 Daimler Ag Verfahren zum Betreiben einer Verbrennungskraftmaschine für ein Kraftfahrzeug, sowie Verbrennungskraftmaschine für ein Kraftfahrzeug
EP3643900A1 (en) * 2018-10-24 2020-04-29 C.R.F. Società Consortile per Azioni A piston for a compression ignition internal combustion engine
EP3643899A1 (en) * 2018-10-24 2020-04-29 C.R.F. Società Consortile per Azioni A piston for a compression ignition internal combustion engine
CN109404156B (zh) * 2018-12-10 2020-07-24 广西玉柴机器股份有限公司 直喷式柴油机的燃烧室
JP7124734B2 (ja) * 2019-01-29 2022-08-24 マツダ株式会社 圧縮着火エンジンの制御装置
DE102019006760A1 (de) 2019-09-27 2021-04-01 Daimler Ag Kolben für eine Hubkolbenmaschine, insbesondere eines Kraftfahrzeugs, sowie Hubkolbenmaschine für ein Kraftfahrzeug
US11230992B2 (en) * 2020-04-03 2022-01-25 Caterpillar Inc. Piston geometry for reduced smoke and cylinder head component temperatures
JP7518663B2 (ja) * 2020-05-19 2024-07-18 株式会社小松製作所 ディーゼルエンジン用のピストン及びディーゼルエンジン
US11598246B2 (en) * 2021-06-23 2023-03-07 Deere & Company Internal combustion engine and piston having piston bowl
AT525166B1 (de) * 2021-06-24 2023-01-15 Avl List Gmbh Verbrennungssystem für eine luftverdichtende brennkraftmaschine
CN114352431B (zh) * 2022-03-17 2022-06-07 潍柴动力股份有限公司 一种活塞及发动机
DE102022117345A1 (de) * 2022-07-12 2024-01-18 Man Truck & Bus Se Brennkraftmaschine, vorzugsweise zum Ausführen eines Diffusionsbrennverfahrens
CN115853632B (zh) * 2023-02-27 2023-06-23 潍柴动力股份有限公司 一种燃烧室以及气体发动机
WO2025036544A1 (en) * 2023-08-11 2025-02-20 Volvo Truck Corporation A piston and an internal combustion engine system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8276563B2 (en) * 2002-06-28 2012-10-02 Cummins, Inc. Internal combustion engine piston
AT7204U1 (de) * 2002-12-19 2004-11-25 Avl List Gmbh Verfahren zum betreiben einer direkteinspritzenden diesel-brennkraftmaschine
WO2005033496A1 (de) * 2003-10-09 2005-04-14 Avl List Gmbh Verfahren zum betreiben einer brennkraftmaschine
DE102006020642B4 (de) * 2006-05-04 2019-05-23 Daimler Ag Verfahren zum Betrieb einer Brennkraftmaschine und Brennkraftmaschine für ein solches Verfahren
CN201074556Y (zh) * 2007-08-16 2008-06-18 东风康明斯发动机有限公司 两阀柴油机用带开口式燃烧室活塞
JP5589453B2 (ja) * 2010-03-11 2014-09-17 いすゞ自動車株式会社 ディーゼルエンジンの燃焼室
US8459229B2 (en) * 2010-04-20 2013-06-11 Southwest Research Institute Piston bowl with spray jet targets
KR101262577B1 (ko) * 2011-07-18 2013-05-08 현대자동차주식회사 디젤엔진 피스톤
US9267422B2 (en) * 2011-10-17 2016-02-23 GM Global Technology Operations LLC Combustion system for an engine having multiple fuel spray induced vortices
CN202611915U (zh) * 2012-03-28 2012-12-19 东风朝阳朝柴动力有限公司 一种喉口面积大深度小的活塞燃烧室
CN102661193B (zh) * 2012-05-16 2013-09-04 大连理工大学 直喷式柴油机双层分流燃烧系统
KR101996085B1 (ko) * 2012-09-14 2019-07-03 두산인프라코어 주식회사 질소 산화물 저감을 위한 직접 분사식 디젤 엔진의 연소실
CN103046997A (zh) * 2012-12-28 2013-04-17 潍柴动力股份有限公司 一种柴油发动机及其燃烧室
JP6303290B2 (ja) * 2013-05-14 2018-04-04 日産自動車株式会社 直噴式ディーゼルエンジン

Also Published As

Publication number Publication date
AT518516B1 (de) 2018-03-15
DE112017000251A5 (de) 2018-09-13
JP2019507848A (ja) 2019-03-22
CN108779704A (zh) 2018-11-09
US20200340391A1 (en) 2020-10-29
WO2017152203A1 (de) 2017-09-14
AT518516A1 (de) 2017-10-15

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Date Code Title Description
PA0105 International application

Patent event date: 20180907

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination