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JPS5560641A - Piston for use in engine - Google Patents

Piston for use in engine

Info

Publication number
JPS5560641A
JPS5560641A JP13197578A JP13197578A JPS5560641A JP S5560641 A JPS5560641 A JP S5560641A JP 13197578 A JP13197578 A JP 13197578A JP 13197578 A JP13197578 A JP 13197578A JP S5560641 A JPS5560641 A JP S5560641A
Authority
JP
Japan
Prior art keywords
piston
semi
exhaust port
circular form
engine
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
JP13197578A
Other languages
Japanese (ja)
Other versions
JPS5817341B2 (en
Inventor
Shigekado Sakakibara
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP13197578A priority Critical patent/JPS5817341B2/en
Publication of JPS5560641A publication Critical patent/JPS5560641A/en
Publication of JPS5817341B2 publication Critical patent/JPS5817341B2/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 
    • F02F3/02—Pistons  having means for accommodating or controlling heat expansion
    • F02F3/022—Pistons  having means for accommodating or controlling heat expansion the pistons having an oval circumference or non-cylindrical shaped skirts, e.g. oval

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

PURPOSE:To prevent leakage of combustion gas and wear on the slide surface of piston, by shaping the portion of piston located on the side of exhaust port in a semi-elliptic form so that the said portion is expanded into a perfectly circular form when heated to a high temperature. CONSTITUTION:Combustion chamber A formed upwardly of piston P is communicated with intake port Pi and exhaust port Pe in a diametric direction of piston P. One half portion 3i of land 3 at the top of piston P located on the side of intake port Pi is shaped substantially in a semi-circular form, whereas the other half portion 3e located on the side of exhaust port 3e is shaped in a semi-elliptic form. With such an arrangement, the portion 3e located on the side of exhaust port Pe, exposed to high-temperature exhaust gas, is expanded along with temperature rise of piston P and keeps a substantially semi-circular form during operation of the engine.
JP13197578A 1978-10-26 1978-10-26 piston for engine Expired JPS5817341B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13197578A JPS5817341B2 (en) 1978-10-26 1978-10-26 piston for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13197578A JPS5817341B2 (en) 1978-10-26 1978-10-26 piston for engine

Publications (2)

Publication Number Publication Date
JPS5560641A true JPS5560641A (en) 1980-05-07
JPS5817341B2 JPS5817341B2 (en) 1983-04-06

Family

ID=15070597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13197578A Expired JPS5817341B2 (en) 1978-10-26 1978-10-26 piston for engine

Country Status (1)

Country Link
JP (1) JPS5817341B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865952A (en) * 1981-07-31 1983-04-19 エ−イ−・ピ−エルシ− Piston for internal combustion engine
US5261321A (en) * 1992-03-06 1993-11-16 Zollner Corporation Piston having oval shaped crown

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865952A (en) * 1981-07-31 1983-04-19 エ−イ−・ピ−エルシ− Piston for internal combustion engine
JPS6237218B2 (en) * 1981-07-31 1987-08-11 Ae Plc
US5261321A (en) * 1992-03-06 1993-11-16 Zollner Corporation Piston having oval shaped crown

Also Published As

Publication number Publication date
JPS5817341B2 (en) 1983-04-06

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