JPH02139345U - - Google Patents

Info

Publication number
JPH02139345U
JPH02139345U JP4858489U JP4858489U JPH02139345U JP H02139345 U JPH02139345 U JP H02139345U JP 4858489 U JP4858489 U JP 4858489U JP 4858489 U JP4858489 U JP 4858489U JP H02139345 U JPH02139345 U JP H02139345U
Authority
JP
Japan
Prior art keywords
receiving groove
self
pressure receiving
wall
sealing 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.)
Pending
Application number
JP4858489U
Other languages
Japanese (ja)
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 JP4858489U priority Critical patent/JPH02139345U/ja
Publication of JPH02139345U publication Critical patent/JPH02139345U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Pistons, Piston Rings, And Cylinders (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の第一実施例を示す半断面図、
第2図は本考案の第二実施例を示す平面図、第3
図は第2図の−線に沿う断面図、第4図は本
考案の第三実施例を示す断面図、第5図は従来の
技術を示す一部破断側面図である。 2…シリンダ、7…シール壁(受圧溝の外側壁
)、10…受圧溝、101…自己密封ピストン。
FIG. 1 is a half-sectional view showing the first embodiment of the present invention;
Figure 2 is a plan view showing the second embodiment of the present invention;
The drawings are a sectional view taken along the line - in FIG. 2, FIG. 4 is a sectional view showing a third embodiment of the present invention, and FIG. 5 is a partially cutaway side view showing a conventional technique. 2...Cylinder, 7...Seal wall (outer wall of pressure receiving groove), 10...Pressure receiving groove, 101...Self-sealing piston.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外周面が球体状に形成されシリンダの内壁に直
接密接する自己密封ピストンにおいて、燃焼室に
臨む面に受圧溝を配設して該受圧溝の外側壁を外
周方向に拡縮自在にしたことを特徴とする自己密
封ピストン。
A self-sealing piston whose outer peripheral surface is formed into a spherical shape and is in direct contact with the inner wall of the cylinder, characterized in that a pressure receiving groove is provided on the surface facing the combustion chamber so that the outer wall of the pressure receiving groove can be expanded and contracted in the outer circumferential direction. Self-sealing piston.
JP4858489U 1989-04-25 1989-04-25 Pending JPH02139345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4858489U JPH02139345U (en) 1989-04-25 1989-04-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4858489U JPH02139345U (en) 1989-04-25 1989-04-25

Publications (1)

Publication Number Publication Date
JPH02139345U true JPH02139345U (en) 1990-11-21

Family

ID=31565523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4858489U Pending JPH02139345U (en) 1989-04-25 1989-04-25

Country Status (1)

Country Link
JP (1) JPH02139345U (en)

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