JPH0259245U - - Google Patents

Info

Publication number
JPH0259245U
JPH0259245U JP13858288U JP13858288U JPH0259245U JP H0259245 U JPH0259245 U JP H0259245U JP 13858288 U JP13858288 U JP 13858288U JP 13858288 U JP13858288 U JP 13858288U JP H0259245 U JPH0259245 U JP H0259245U
Authority
JP
Japan
Prior art keywords
piston
prismatic
wall
cavity
protrusion
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
JP13858288U
Other languages
English (en)
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 filed Critical
Priority to JP13858288U priority Critical patent/JPH0259245U/ja
Publication of JPH0259245U publication Critical patent/JPH0259245U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る実施例のキヤビテイ形状
図、第2図は従来例の第1図応当図である。 B……ピストンキヤビテイ、A……キヤビテイ
壁面、3……部分リエントラント壁面、5……中
央角柱突起、5a……中央角柱突起コーナ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ピストンキヤビテイの中央部に中央突起を有し
    かつキヤビテイ壁面に部分リエントラント壁面を
    有するピストンにおいて、中央突起を角柱形とし
    部分リエントラント壁面に向けて該角柱突起のコ
    ーナがそれぞれ対応するように中央突起の角柱を
    構成したことを特徴とするピストン。
JP13858288U 1988-10-26 1988-10-26 Pending JPH0259245U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13858288U JPH0259245U (ja) 1988-10-26 1988-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13858288U JPH0259245U (ja) 1988-10-26 1988-10-26

Publications (1)

Publication Number Publication Date
JPH0259245U true JPH0259245U (ja) 1990-04-27

Family

ID=31401047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13858288U Pending JPH0259245U (ja) 1988-10-26 1988-10-26

Country Status (1)

Country Link
JP (1) JPH0259245U (ja)

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