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
Links
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
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)
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.
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) |
-
1989
- 1989-04-25 JP JP4858489U patent/JPH02139345U/ja active Pending