JPS6220260U - - Google Patents
Info
- Publication number
- JPS6220260U JPS6220260U JP11180785U JP11180785U JPS6220260U JP S6220260 U JPS6220260 U JP S6220260U JP 11180785 U JP11180785 U JP 11180785U JP 11180785 U JP11180785 U JP 11180785U JP S6220260 U JPS6220260 U JP S6220260U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pin boss
- ring groove
- oil ring
- ceiling
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図はこの考案の一実施例を示す半部を断面
とした正面図、第２図は同要部の拡大断面図、第
３図はピンボスの口元最大応力と肉厚比との関係
を示す線図、第４図は従来のピストンの一部の断
面図である。
１……ピストン、２……ピストンピンボス、３
……天井部、５……オイルリング溝、６……孔。
Fig. 1 is a front view showing an embodiment of this invention with a half section cut away, Fig. 2 is an enlarged sectional view of the main part, and Fig. 3 shows the relationship between the maximum stress at the mouth of the pin boss and the wall thickness ratio. The diagram shown in FIG. 4 is a cross-sectional view of a part of a conventional piston. 1... Piston, 2... Piston pin boss, 3
... Ceiling part, 5 ... Oil ring groove, 6 ... Hole.
Claims (1)
ンボスとピストン天井部との間の位置に周方向に
延びる長円形の孔を形成したことを特徴とするピ
ストン。 A piston characterized in that an oblong hole extending in the circumferential direction is formed at a position between a piston pin boss and a piston ceiling at the back of an oil ring groove of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11180785U JPS6220260U (en) | 1985-07-23 | 1985-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11180785U JPS6220260U (en) | 1985-07-23 | 1985-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6220260U true JPS6220260U (en) | 1987-02-06 |
Family
ID=30992076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11180785U Pending JPS6220260U (en) | 1985-07-23 | 1985-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6220260U (en) |
-
1985
- 1985-07-23 JP JP11180785U patent/JPS6220260U/ja active Pending