DE102017221527A1 - Ventil-Kolben-System einer Brennkraftmaschine und Brennkraftmaschine - Google Patents

Ventil-Kolben-System einer Brennkraftmaschine und Brennkraftmaschine Download PDF

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Publication number
DE102017221527A1
DE102017221527A1 DE102017221527.5A DE102017221527A DE102017221527A1 DE 102017221527 A1 DE102017221527 A1 DE 102017221527A1 DE 102017221527 A DE102017221527 A DE 102017221527A DE 102017221527 A1 DE102017221527 A1 DE 102017221527A1
Authority
DE
Germany
Prior art keywords
valve
piston
gas exchange
angle
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
DE102017221527.5A
Other languages
German (de)
English (en)
Inventor
Marcel Morgenstern
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
Original Assignee
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.)
Filing date
Publication date
Application filed by MAN Energy Solutions SE filed Critical MAN Energy Solutions SE
Priority to DE102017221527.5A priority Critical patent/DE102017221527A1/de
Priority to KR1020180142413A priority patent/KR102512199B1/ko
Priority to FI20185984A priority patent/FI130504B/en
Priority to JP2018223417A priority patent/JP7248413B2/ja
Priority to CN201811456640.8A priority patent/CN109973239B/zh
Publication of DE102017221527A1 publication Critical patent/DE102017221527A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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)
DE102017221527.5A 2017-11-30 2017-11-30 Ventil-Kolben-System einer Brennkraftmaschine und Brennkraftmaschine Pending DE102017221527A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE102017221527.5A DE102017221527A1 (de) 2017-11-30 2017-11-30 Ventil-Kolben-System einer Brennkraftmaschine und Brennkraftmaschine
KR1020180142413A KR102512199B1 (ko) 2017-11-30 2018-11-19 내연 기관의 밸브-피스톤 시스템 및 내연 기관
FI20185984A FI130504B (en) 2017-11-30 2018-11-22 Valve-piston system of an internal combustion engine cylinder and internal combustion engine
JP2018223417A 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
CN201811456640.8A CN109973239B (zh) 2017-11-30 2018-11-30 内燃机的阀-活塞系统和内燃机

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE102017221527A1 true DE102017221527A1 (de) 2019-06-06

Family

ID=66547771

Family Applications (1)

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

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)

Cited By (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
JP2007309176A (ja) * 2006-05-17 2007-11-29 Toyota Motor Corp 内燃機関
WO2011073510A1 (en) * 2009-12-16 2011-06-23 Wärtsilä Finland Oy Internal combustion piston engine assembly
DE102012103212A1 (de) * 2012-04-13 2013-10-17 Mwm Gmbh Kolben einer Brennkraftmaschine

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
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
JP6221438B2 (ja) 2013-07-11 2017-11-01 市光工業株式会社 車両用灯具
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
JP2007309176A (ja) * 2006-05-17 2007-11-29 Toyota Motor Corp 内燃機関
WO2011073510A1 (en) * 2009-12-16 2011-06-23 Wärtsilä Finland Oy Internal combustion piston engine assembly
DE102012103212A1 (de) * 2012-04-13 2013-10-17 Mwm Gmbh Kolben einer Brennkraftmaschine

Cited By (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

Also Published As

Publication number Publication date
KR102512199B1 (ko) 2023-03-20
FI130504B (en) 2023-10-11
JP2019100339A (ja) 2019-06-24
JP7248413B2 (ja) 2023-03-29
CN109973239B (zh) 2022-09-20
KR20190064447A (ko) 2019-06-10
FI20185984A1 (en) 2019-05-31
CN109973239A (zh) 2019-07-05

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Legal Events

Date Code Title Description
R163 Identified publications notified
R081 Change of applicant/patentee

Owner name: MAN ENERGY SOLUTIONS SE, DE

Free format text: FORMER OWNER: MAN DIESEL & TURBO SE, 86153 AUGSBURG, DE

R012 Request for examination validly filed