JP7248413B2 - 内燃機関の弁ピストンシステム及び内燃機関 - Google Patents

内燃機関の弁ピストンシステム及び内燃機関 Download PDF

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Publication number
JP7248413B2
JP7248413B2 JP2018223417A JP2018223417A JP7248413B2 JP 7248413 B2 JP7248413 B2 JP 7248413B2 JP 2018223417 A JP2018223417 A JP 2018223417A JP 2018223417 A JP2018223417 A JP 2018223417A JP 7248413 B2 JP7248413 B2 JP 7248413B2
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JP
Japan
Prior art keywords
valve
gas exchange
piston
angle
internal combustion
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JP2018223417A
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English (en)
Japanese (ja)
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JP2019100339A (ja
Inventor
マルセル・モルゲンシュテルン
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.)
MAN Energy Solutions SE
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MAN Energy Solutions SE
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.)
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Publication of JP2019100339A publication Critical patent/JP2019100339A/ja
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Publication of JP7248413B2 publication Critical patent/JP7248413B2/ja
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    • 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
    • F02B23/0696—W-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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/20—Shapes or constructions of valve members, not provided for in preceding subgroups of this group
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
JP2018223417A 2017-11-30 2018-11-29 内燃機関の弁ピストンシステム及び内燃機関 Active JP7248413B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017221527.5A DE102017221527A1 (de) 2017-11-30 2017-11-30 Ventil-Kolben-System einer Brennkraftmaschine und Brennkraftmaschine
DE102017221527.5 2017-11-30

Publications (2)

Publication Number Publication Date
JP2019100339A JP2019100339A (ja) 2019-06-24
JP7248413B2 true JP7248413B2 (ja) 2023-03-29

Family

ID=66547771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018223417A Active JP7248413B2 (ja) 2017-11-30 2018-11-29 内燃機関の弁ピストンシステム及び内燃機関

Country Status (5)

Country Link
JP (1) JP7248413B2 (ko)
KR (1) KR102512199B1 (ko)
CN (1) CN109973239B (ko)
DE (1) DE102017221527A1 (ko)
FI (1) FI130504B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11371466B2 (en) 2019-12-17 2022-06-28 Caterpillar Inc. Piston for internal combustion engine having valve pocket step for slowing combustion gas flow

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102667093A (zh) 2009-12-16 2012-09-12 瓦锡兰芬兰有限公司 内燃活塞式发动机组件
US20150107559A1 (en) 2012-04-13 2015-04-23 Caterpillar Energy Solutions Gmbh Piston of an internal combustion engine
JP6221438B2 (ja) 2013-07-11 2017-11-01 市光工業株式会社 車両用灯具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56127329U (ko) * 1980-02-26 1981-09-28
JPH0426656Y2 (ko) * 1985-07-23 1992-06-26
JP2000320335A (ja) * 1999-05-12 2000-11-21 Toyota Motor Corp 筒内噴射式内燃機関
JP4552895B2 (ja) * 2006-05-17 2010-09-29 トヨタ自動車株式会社 内燃機関
JP2012021429A (ja) * 2010-07-13 2012-02-02 Daihatsu Motor Co Ltd 内燃機関
US9267421B2 (en) * 2012-08-24 2016-02-23 Mazda Motor Corporation Combustion chamber structure for engine
CN103835803B (zh) * 2014-02-24 2016-02-24 大连理工大学 柴油机碰撞分流燃烧室

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102667093A (zh) 2009-12-16 2012-09-12 瓦锡兰芬兰有限公司 内燃活塞式发动机组件
US20150107559A1 (en) 2012-04-13 2015-04-23 Caterpillar Energy Solutions Gmbh Piston of an internal combustion engine
JP6221438B2 (ja) 2013-07-11 2017-11-01 市光工業株式会社 車両用灯具

Also Published As

Publication number Publication date
KR102512199B1 (ko) 2023-03-20
FI130504B (en) 2023-10-11
JP2019100339A (ja) 2019-06-24
CN109973239B (zh) 2022-09-20
KR20190064447A (ko) 2019-06-10
FI20185984A1 (en) 2019-05-31
DE102017221527A1 (de) 2019-06-06
CN109973239A (zh) 2019-07-05

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