JPH0440140U - - Google Patents
Info
- Publication number
- JPH0440140U JPH0440140U JP8056090U JP8056090U JPH0440140U JP H0440140 U JPH0440140 U JP H0440140U JP 8056090 U JP8056090 U JP 8056090U JP 8056090 U JP8056090 U JP 8056090U JP H0440140 U JPH0440140 U JP H0440140U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- land portion
- cylinder wall
- pressure adjustment
- adjustment groove
- 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
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係るピストンを示す断面図、
第２図はピストンを示す全体図、第３図は従来例
を示す断面図である。
図中、１１はシリンダ壁、１２はピストン、１
５ａ〜１５ｄはピストンリング、１７ｃは第３ラ
ンド部、１９は圧力調整溝である。
FIG. 1 is a sectional view showing a piston according to the present invention;
FIG. 2 is an overall view showing the piston, and FIG. 3 is a sectional view showing a conventional example. In the figure, 11 is a cylinder wall, 12 is a piston, 1
5a to 15d are piston rings, 17c is a third land portion, and 19 is a pressure adjustment groove.
Claims (1)
トンリングを間に挾んでランド部を形成すると共
に、その第３ランド部に上記シリンダ壁に臨んで
開放された圧力調整溝を設けたことを特徴とする
ピストン。 A land portion is formed on the circumferential side of the piston with a piston ring in contact with the cylinder wall interposed therebetween, and a pressure adjustment groove is provided in the third land portion facing the cylinder wall and open. Piston to do.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056090U JPH0440140U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8056090U JPH0440140U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0440140U true JPH0440140U (en) | 1992-04-06 |
Family
ID=31625733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8056090U Pending JPH0440140U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0440140U (en) |
-
1990
- 1990-07-31 JP JP8056090U patent/JPH0440140U/ja active Pending