FI130504B - Valve-piston system of an internal combustion engine cylinder and internal combustion engine - Google Patents

Valve-piston system of an internal combustion engine cylinder and internal combustion engine Download PDF

Info

Publication number
FI130504B
FI130504B FI20185984A FI20185984A FI130504B FI 130504 B FI130504 B FI 130504B FI 20185984 A FI20185984 A FI 20185984A FI 20185984 A FI20185984 A FI 20185984A FI 130504 B FI130504 B FI 130504B
Authority
FI
Finland
Prior art keywords
valve
piston
gas exchange
angle
facing
Prior art date
Application number
FI20185984A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20185984A1 (en
Inventor
Marcel Morgenstern
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
Publication of FI20185984A1 publication Critical patent/FI20185984A1/en
Application granted granted Critical
Publication of FI130504B publication Critical patent/FI130504B/en

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • 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)
FI20185984A 2017-11-30 2018-11-22 Valve-piston system of an internal combustion engine cylinder and internal combustion engine FI130504B (en)

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 (2)

Publication Number Publication Date
FI20185984A1 FI20185984A1 (en) 2019-05-31
FI130504B true FI130504B (en) 2023-10-11

Family

ID=66547771

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20185984A FI130504B (en) 2017-11-30 2018-11-22 Valve-piston system of an internal combustion engine cylinder and internal combustion engine

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

Family Cites Families (10)

* 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
FI124187B (fi) * 2009-12-16 2014-04-30 Wärtsilä Finland Oy Mäntäpolttomoottorijärjestely
JP2012021429A (ja) * 2010-07-13 2012-02-02 Daihatsu Motor Co Ltd 内燃機関
DE102012103212A1 (de) * 2012-04-13 2013-10-17 Mwm Gmbh Kolben einer Brennkraftmaschine
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

Also Published As

Publication number Publication date
KR102512199B1 (ko) 2023-03-20
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
DE102017221527A1 (de) 2019-06-06
CN109973239A (zh) 2019-07-05

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