JPH0171157U - - Google Patents
Info
- Publication number
- JPH0171157U JPH0171157U JP1987167168U JP16716887U JPH0171157U JP H0171157 U JPH0171157 U JP H0171157U JP 1987167168 U JP1987167168 U JP 1987167168U JP 16716887 U JP16716887 U JP 16716887U JP H0171157 U JPH0171157 U JP H0171157U
- Authority
- JP
- Japan
- Prior art keywords
- ring groove
- piston
- oil
- side cut
- oil ring
- 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図は本考案実施例によるピストンの正面図
、第２図は第１図のＡ―Ａ視断面図、第３図は第
２図のＢ―Ｂ視断面図、第４図は第１図のＣ―Ｃ
視断面図、第５図は従来技術におけるピストンの
一部切欠正面図、第６図は第５図の―視断面
図、第７図は第５図の要部拡大図である。
１…ピストン頂部、２…オイルリング溝、２ａ
…オイルリング溝の下面、２ｂ…オイルリング溝
の底面、３…スカート部、４…サイドカツト部、
５…凹部、６…オイル孔、７…貫通穴。
1 is a front view of a piston according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA in FIG. 1, FIG. 3 is a sectional view taken along line BB in FIG. 2, and FIG. C-C in the diagram
FIG. 5 is a partially cutaway front view of a piston according to the prior art, FIG. 6 is a cross-sectional view of FIG. 5, and FIG. 7 is an enlarged view of the main part of FIG. 1... Piston top, 2... Oil ring groove, 2a
...bottom surface of oil ring groove, 2b...bottom surface of oil ring groove, 3...skirt part, 4...side cut part,
5... recess, 6... oil hole, 7... through hole.
Claims (1)
グ溝と、スカート部に形成されたサイドカツト部
とを備えたピストンにおいて、前記サイドカツト
部にオイルを通す凹部を設け、該凹部に前記オイ
ルリング溝の下面を切欠くようにし、且つ前記オ
イルリング溝の底面に達するオイル孔を円周方向
に対して複数個設け、更に前記サイドカツト部に
貫通穴を設けた、内燃機関用ピストン。 In a piston that includes an oil ring groove formed on the outer circumferential surface of the top of the piston and a side cut portion formed in a skirt portion, a recess for passing oil is provided in the side cut portion, and a lower surface of the oil ring groove is provided in the recess. A piston for an internal combustion engine, wherein a plurality of oil holes are cut out and reach the bottom surface of the oil ring groove in the circumferential direction, and a through hole is provided in the side cut portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167168U JPH0171157U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167168U JPH0171157U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171157U true JPH0171157U (en) | 1989-05-12 |
Family
ID=31455220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167168U Pending JPH0171157U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021045129A1 (en) * | 2019-09-05 | 2021-03-11 | ヤマハ発動機株式会社 | Piston for engine |
-
1987
- 1987-10-31 JP JP1987167168U patent/JPH0171157U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021045129A1 (en) * | 2019-09-05 | 2021-03-11 | ヤマハ発動機株式会社 | Piston for engine |