FI102559B1 - Polttomoottorin mäntäyksikkö - Google Patents

Polttomoottorin mäntäyksikkö

Info

Publication number
FI102559B1
FI102559B1 FI951105A FI951105A FI102559B1 FI 102559 B1 FI102559 B1 FI 102559B1 FI 951105 A FI951105 A FI 951105A FI 951105 A FI951105 A FI 951105A FI 102559 B1 FI102559 B1 FI 102559B1
Authority
FI
Finland
Prior art keywords
piston unit
piston
internal combustion
combustion engine
engine piston
Prior art date
Application number
FI951105A
Other languages
English (en)
Swedish (sv)
Other versions
FI102559B (fi
FI951105A (fi
FI951105A0 (fi
Inventor
Aulis Silvonen
Trygve Ahlroth
Pasi Halla-Aho
Original Assignee
Waertsilae Nsd Oy Ab
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 Waertsilae Nsd Oy Ab filed Critical Waertsilae Nsd Oy Ab
Publication of FI951105A0 publication Critical patent/FI951105A0/fi
Priority to FI951105A priority Critical patent/FI102559B1/fi
Priority to EP96301515A priority patent/EP0731268A1/en
Priority to DE1996631700 priority patent/DE69631700T2/de
Priority to AT00106764T priority patent/ATE260409T1/de
Priority to EP00106764A priority patent/EP1016780B1/en
Priority to US08/610,597 priority patent/US5724933A/en
Priority to JP05199996A priority patent/JP3940447B2/ja
Publication of FI951105A publication Critical patent/FI951105A/fi
Priority to US08/947,813 priority patent/US5975040A/en
Application granted granted Critical
Publication of FI102559B publication Critical patent/FI102559B/fi
Publication of FI102559B1 publication Critical patent/FI102559B1/fi

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 
    • F02F3/0015—Multi-part pistons
    • F02F3/0023—Multi-part pistons the parts being bolted or screwed together
    • 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 
    • F02F3/16—Pistons  having cooling means
    • F02F3/20—Pistons  having cooling means the means being a fluid flowing through or along piston
    • F02F3/22—Pistons  having cooling means the means being a fluid flowing through or along piston the fluid being liquid
    • 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
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02F2200/00—Manufacturing
    • F02F2200/04—Forging of engine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/02—Light metals
    • F05C2201/021—Aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2251/00—Material properties
    • F05C2251/04—Thermal properties
    • F05C2251/042—Expansivity

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Valve Device For Special Equipments (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
FI951105A 1995-03-09 1995-03-09 Polttomoottorin mäntäyksikkö FI102559B1 (fi)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI951105A FI102559B1 (fi) 1995-03-09 1995-03-09 Polttomoottorin mäntäyksikkö
EP00106764A EP1016780B1 (en) 1995-03-09 1996-03-04 Piston unit for an internal combustion engine
DE1996631700 DE69631700T2 (de) 1995-03-09 1996-03-04 Hubkolben für eine Brennkraftmaschine
AT00106764T ATE260409T1 (de) 1995-03-09 1996-03-04 Hubkolben für eine brennkraftmaschine
EP96301515A EP0731268A1 (en) 1995-03-09 1996-03-04 Multipart piston for an internal combustion-engine
US08/610,597 US5724933A (en) 1995-03-09 1996-03-06 Piston unit for an internal combustion engine
JP05199996A JP3940447B2 (ja) 1995-03-09 1996-03-08 内燃機関用ピストンユニット
US08/947,813 US5975040A (en) 1995-03-09 1997-10-09 Piston unit for an internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI951105 1995-03-09
FI951105A FI102559B1 (fi) 1995-03-09 1995-03-09 Polttomoottorin mäntäyksikkö

Publications (4)

Publication Number Publication Date
FI951105A0 FI951105A0 (fi) 1995-03-09
FI951105A FI951105A (fi) 1996-09-10
FI102559B FI102559B (fi) 1998-12-31
FI102559B1 true FI102559B1 (fi) 1998-12-31

Family

ID=8543013

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951105A FI102559B1 (fi) 1995-03-09 1995-03-09 Polttomoottorin mäntäyksikkö

Country Status (6)

Country Link
US (2) US5724933A (fi)
EP (2) EP0731268A1 (fi)
JP (1) JP3940447B2 (fi)
AT (1) ATE260409T1 (fi)
DE (1) DE69631700T2 (fi)
FI (1) FI102559B1 (fi)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642109A1 (de) * 1996-10-12 1998-04-16 Mahle Gmbh Gebauter Kolben
US6076506A (en) * 1998-05-20 2000-06-20 Caterpillar Inc. Piston for use in an engine
US5934174A (en) * 1998-10-02 1999-08-10 Cummins Engine Company, Inc. Lightweight articulated piston head and method of making the piston head
DE19846152A1 (de) * 1998-10-07 2000-04-13 Mahle Gmbh Kolben mit Kolbengrundkörper aus geschmiedetem Stahl und einem Kühlkanal
FI106396B (fi) * 1998-11-19 2001-01-31 Wecometal Oy Polttomoottorin mäntä
US6182630B1 (en) * 1998-11-23 2001-02-06 Federal-Mogul World Wide, Inc. Bolted articulated piston
DE19855134A1 (de) * 1998-11-30 2000-05-31 Mahle Gmbh Gebauter Kolben
JP2000220520A (ja) * 1999-01-27 2000-08-08 Komatsu Ltd 内燃機関のピストン
US6216647B1 (en) * 1999-02-22 2001-04-17 Caterpillar Inc. Free piston internal combustion engine with piston head having non-metallic bearing surface
DE19910582A1 (de) * 1999-03-10 2000-09-28 Mahle Gmbh Gebauter Kolben
US6145488A (en) * 1999-07-15 2000-11-14 Mph Motors, Inc. Reduced volume scavenging system for two cycle engines
DE10028926A1 (de) * 2000-06-10 2001-12-13 Mahle Gmbh Gebauter Kolben
GB2366607B (en) * 2000-09-06 2004-06-09 Federal Mogul Bradford Ltd Piston for internal combustion engine
US6360710B1 (en) * 2000-12-08 2002-03-26 Howard W. Christenson Rocket piston internal combustion engine
DE10116084A1 (de) 2001-03-30 2002-10-10 Mozzi Andreas Motor mit separatem Kolbenboden
US6606983B2 (en) 2001-09-18 2003-08-19 Federal-Mogul World Wide, Inc. Ferrous pistons for diesel engines having EGR coating
US8276563B2 (en) * 2002-06-28 2012-10-02 Cummins, Inc. Internal combustion engine piston
DE10257022A1 (de) * 2002-12-06 2004-06-17 Mahle Gmbh Mehrteiliger gekühlter Kolben für einen Verbrennungsmotor
US6840156B1 (en) * 2003-06-24 2005-01-11 General Motors Corporation Piston with cast-in undercrown pins for increased heat dissipation
DE102004061778A1 (de) * 2004-09-29 2006-04-06 Ks Kolbenschmidt Gmbh Einfach-Reibschweißung
DE102005041409A1 (de) * 2005-09-01 2007-03-08 Mahle International Gmbh Zweiteiliger Kolben für einen Verbrennungsmotor
DE102005061899A1 (de) * 2005-12-23 2007-06-28 Mahle International Gmbh Mehrteiliger Kolben für eine Verbrennungsmotor
DE102006013906A1 (de) * 2006-03-25 2007-10-18 Mahle International Gmbh Mehrteiliger Kolben für einen Verbrennungsmotor
DE102006027354A1 (de) * 2006-06-13 2007-12-20 Mahle International Gmbh Mehrteiliger gekühlter Kolben für einen Verbrennungsmotor
US7654240B2 (en) * 2006-08-18 2010-02-02 Caterpillar Inc. Engine piston having an insulating air gap
DE102007060472A1 (de) * 2007-12-14 2009-06-18 Mahle International Gmbh Zweiteiliger Kolben für einen Verbrennungsmotor
US8807109B2 (en) * 2009-11-06 2014-08-19 Federal-Mogul Corporation Steel piston with cooling gallery and method of construction thereof
EP2410140B1 (de) * 2010-07-20 2013-05-08 Wärtsilä Schweiz AG Schmiereinrichtung für einen Kolben
DE102011009094A1 (de) * 2011-01-21 2012-07-26 Bertwin Geist Hubkolben für eine Hubkolbenmaschine sowie Hubkolbenmaschine, sowie Zylinder einer Hubkolbenmaschine
US9464592B2 (en) 2011-04-18 2016-10-11 Achates Power, Inc. Piston thermal management in an opposed-piston engine
US20130319372A1 (en) * 2012-06-04 2013-12-05 Caterpillar, Inc. Internal Combustion Engine Having Piston Configured For Reduced Particulate Emissions, And Method
US10082207B2 (en) 2014-12-23 2018-09-25 Dresser-Rand Company Piston assembly
US9759119B2 (en) 2015-01-14 2017-09-12 Achates Power, Inc. Piston cooling for opposed-piston engines
USD792469S1 (en) * 2015-03-26 2017-07-18 Cummins Inc. Combustion bowl
US9957887B2 (en) * 2016-07-29 2018-05-01 Caterpillar Inc. System for determining piston damage based on carbon deposit growth
US10662892B2 (en) * 2016-09-09 2020-05-26 Caterpillar Inc. Piston for internal combustion engine having high temperature-capable crown piece
DE102019215486A1 (de) * 2019-10-09 2021-04-15 Mahle International Gmbh Kolben für eine Brennkraftmaschine
DE102019130408A1 (de) * 2019-11-12 2021-05-12 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Kolben mit einer Kanalanordnung für Hubkolbenbrennkraftmaschinen
CN111102095B (zh) * 2019-12-20 2021-05-28 中国北方发动机研究所(天津) 一种低散热组合结构活塞
CN113431698B (zh) * 2020-03-23 2023-04-11 强莉莉 一种分体复合式隔热活塞
CN114576031B (zh) * 2022-01-27 2023-04-25 东风汽车集团股份有限公司 活塞及活塞头选型试验方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH206806A (de) * 1938-01-29 1939-08-31 Sulzer Ag Ungekühlter Kolben für Brennkraftmaschinen.
US2194097A (en) * 1939-04-06 1940-03-19 Reggio Ferdinando Carlo Piston
FR1337311A (fr) * 1962-07-03 1963-09-13 Perfectionnements aux pistons de moteurs thermiques, en particulier à deux temps
FR1460906A (fr) * 1965-10-22 1966-03-04 Perfectionnements apportés aux pistons comportant un circuit de refroidissement intérieur et à leurs procédés de fabrication
DE2348870A1 (de) * 1973-09-28 1975-04-10 Maschf Augsburg Nuernberg Ag Mehrteiliger kolben fuer brennkraftmaschinen, insbesondere grossdieselmotoren
DE2546388A1 (de) * 1975-10-16 1977-04-21 Motoren Turbinen Union Gebauter kolben
US4083292A (en) * 1976-06-16 1978-04-11 Caterpillar Tractor Co. Piston with high top ring location
DE2648392A1 (de) * 1976-10-26 1978-04-27 Motoren Turbinen Union Isolierter kolbenboden
DE2730071A1 (de) * 1977-07-02 1979-01-04 Maschf Augsburg Nuernberg Ag Mehrteiliger kolben fuer brennkraftmaschinen
FR2421282A1 (fr) * 1978-03-31 1979-10-26 Renault Piston de moteur a combustion interne
US4270494A (en) * 1979-01-11 1981-06-02 General Motors Corporation Insulated oil cooled piston assembly
DE2914456A1 (de) * 1979-04-10 1980-10-23 Schmidt Gmbh Karl Gebauter kolben fuer brennkraftmaschinen
DE3110292A1 (de) * 1981-03-17 1982-09-30 Rudolf Dr. 6800 Mannheim Wieser "kolben fuer verbrennungsmotor"
WO1983002300A1 (en) * 1981-12-28 1983-07-07 Alco Power Inc Prestressed composite piston
US4517930A (en) * 1982-09-28 1985-05-21 Kawasaki Jukogyo Kabushiki Kaisha Piston of combustion engine
DE3403624A1 (de) * 1984-02-02 1985-08-08 Kolbenschmidt AG, 7107 Neckarsulm Gebauter, fluessigkeitsgekuehlter kolben fuer brennkraftmaschinen
FR2575227B1 (fr) * 1984-12-20 1988-12-23 Semt Piston a structure allegee, notamment pour un moteur a combustion interne
DE4131275C2 (de) * 1991-09-20 1998-04-09 Mahle Gmbh Gebauter flüssigkeitsgekühlter Kolben

Also Published As

Publication number Publication date
US5975040A (en) 1999-11-02
FI102559B (fi) 1998-12-31
EP1016780B1 (en) 2004-02-25
EP0731268A1 (en) 1996-09-11
JPH08261061A (ja) 1996-10-08
FI951105A (fi) 1996-09-10
ATE260409T1 (de) 2004-03-15
FI951105A0 (fi) 1995-03-09
DE69631700D1 (de) 2004-04-01
US5724933A (en) 1998-03-10
JP3940447B2 (ja) 2007-07-04
EP1016780A2 (en) 2000-07-05
DE69631700T2 (de) 2005-01-13
EP1016780A3 (en) 2000-12-20

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: WAERTSILAE NSD OY AB

MA Patent expired