EP0141992A3 - Multi-part piston for internal-combustion engines, having a partly isolated cooling oil conduit - Google Patents

Multi-part piston for internal-combustion engines, having a partly isolated cooling oil conduit Download PDF

Info

Publication number
EP0141992A3
EP0141992A3 EP84111624A EP84111624A EP0141992A3 EP 0141992 A3 EP0141992 A3 EP 0141992A3 EP 84111624 A EP84111624 A EP 84111624A EP 84111624 A EP84111624 A EP 84111624A EP 0141992 A3 EP0141992 A3 EP 0141992A3
Authority
EP
European Patent Office
Prior art keywords
internal
combustion engines
cooling oil
oil conduit
part piston
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.)
Granted
Application number
EP84111624A
Other languages
German (de)
Other versions
EP0141992B1 (en
EP0141992A2 (en
Inventor
Bernd Faustle
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.)
Mahle GmbH
Original Assignee
Mahle GmbH
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 Mahle GmbH filed Critical Mahle GmbH
Publication of EP0141992A2 publication Critical patent/EP0141992A2/en
Publication of EP0141992A3 publication Critical patent/EP0141992A3/en
Application granted granted Critical
Publication of EP0141992B1 publication Critical patent/EP0141992B1/en
Expired legal-status Critical Current

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
    • F02F3/003—Multi-part pistons the parts being connected by casting, brazing, welding or clamping
    • 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
    • F02F3/18—Pistons  having cooling means the means being a liquid or solid coolant, e.g. sodium, in a closed chamber in 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 
    • F02F3/16—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
    • 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

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)
EP84111624A 1983-10-26 1984-09-28 Multi-part piston for internal-combustion engines, having a partly isolated cooling oil conduit Expired EP0141992B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3338809 1983-10-26
DE3338809 1983-10-26

Publications (3)

Publication Number Publication Date
EP0141992A2 EP0141992A2 (en) 1985-05-22
EP0141992A3 true EP0141992A3 (en) 1986-05-21
EP0141992B1 EP0141992B1 (en) 1988-05-04

Family

ID=6212749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84111624A Expired EP0141992B1 (en) 1983-10-26 1984-09-28 Multi-part piston for internal-combustion engines, having a partly isolated cooling oil conduit

Country Status (3)

Country Link
EP (1) EP0141992B1 (en)
JP (1) JPS60111048A (en)
DE (1) DE3470908D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463903B1 (en) * 2001-08-30 2002-10-15 Caterpillar Inc Piston assembly for free piston internal combustion engine
DE102012206392A1 (en) 2012-04-18 2013-10-24 Mahle International Gmbh Piston for an internal combustion engine
US10294887B2 (en) 2015-11-18 2019-05-21 Tenneco Inc. Piston providing for reduced heat loss using cooling media

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB348084A (en) * 1928-11-09 1931-04-28 Hugo Junkers Improvements in and relating to pistons for engines
DE1905029A1 (en) * 1969-02-01 1970-08-06 Augsburg Nuernberg Ag Zweignie Pistons for direct injection internal combustion engines
DE3017787A1 (en) * 1980-05-09 1981-11-12 Klöckner-Humboldt-Deutz AG, 5000 Köln IC engine piston with ceramic crown - has sheet metal discs interposed between skirt and crown to form piston ring recess

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB348084A (en) * 1928-11-09 1931-04-28 Hugo Junkers Improvements in and relating to pistons for engines
DE1905029A1 (en) * 1969-02-01 1970-08-06 Augsburg Nuernberg Ag Zweignie Pistons for direct injection internal combustion engines
DE3017787A1 (en) * 1980-05-09 1981-11-12 Klöckner-Humboldt-Deutz AG, 5000 Köln IC engine piston with ceramic crown - has sheet metal discs interposed between skirt and crown to form piston ring recess

Also Published As

Publication number Publication date
EP0141992B1 (en) 1988-05-04
DE3470908D1 (en) 1988-06-09
JPS60111048A (en) 1985-06-17
EP0141992A2 (en) 1985-05-22

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