JPH0287945U - - Google Patents
Info
- Publication number
- JPH0287945U JPH0287945U JP16639588U JP16639588U JPH0287945U JP H0287945 U JPH0287945 U JP H0287945U JP 16639588 U JP16639588 U JP 16639588U JP 16639588 U JP16639588 U JP 16639588U JP H0287945 U JPH0287945 U JP H0287945U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- oil passage
- cut portion
- outer circumference
- side cut
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案による内燃機関用ピストンの一
つの実施例を示す正面図、第２図は第１図の線
−に沿う断面図、第３図及び第４図は本考案に
よる内燃機関用ピストンの要部を拡大して示す断
面図、第５図は本考案による内燃機関用ピストン
の他の一つの実施例をその要部について示す縦断
面図である。
１０……ピストン、１２……ピストン頂部、１
４……スカート部、１６，１８……ピストンリン
グ溝、２０……オイルリング溝、２１……奥壁、
２２……オイルリング、２４……ピストンピン孔
、２６……サイドカツト部、２８……隔壁、３０
……第一のオイル通路、３２……ピストン内部空
間、３４……第二のオイル通路、３６……オイル
通路。
FIG. 1 is a front view showing one embodiment of a piston for an internal combustion engine according to the present invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIGS. 3 and 4 are for an internal combustion engine according to the present invention. FIG. 5 is an enlarged sectional view showing the main part of the piston, and FIG. 5 is a longitudinal sectional view showing the main part of another embodiment of the piston for an internal combustion engine according to the present invention. 10... Piston, 12... Piston top, 1
4... Skirt portion, 16, 18... Piston ring groove, 20... Oil ring groove, 21... Back wall,
22... Oil ring, 24... Piston pin hole, 26... Side cut portion, 28... Partition wall, 30
...First oil passage, 32...Piston internal space, 34...Second oil passage, 36...Oil passage.
Claims (1)
口端の周りにピストン外周面より窪んだサイドカ
ツト部を有する内燃機関用ピストンに於て、ピス
トン外周部に設けられたオイルリング溝と前記サ
イドカツト部とを連通接続する第一のオイル通路
と、前記サイドカツト部とピストン内部空間とを
連通接続する第二のオイル通路とを有し、前記第
一のオイル通路と前記第二のオイル通路とは前記
オイルリング溝の周方向に見て互いに同一位置に
あることを特徴とする内燃機関用ピストン。 In an internal combustion engine piston having a side cut portion recessed from the piston outer circumference around the open end of a piston pin hole opened in the piston outer circumference, an oil ring groove provided on the piston outer circumference is communicated with the side cut portion. It has a first oil passage that connects and a second oil passage that communicates and connects the side cut portion and the piston internal space, and the first oil passage and the second oil passage are connected to the oil ring groove. A piston for an internal combustion engine, characterized in that the pistons are located at the same position with each other when viewed in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166395U JP2539327Y2 (en) | 1988-12-23 | 1988-12-23 | Piston for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166395U JP2539327Y2 (en) | 1988-12-23 | 1988-12-23 | Piston for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287945U true JPH0287945U (en) | 1990-07-12 |
| JP2539327Y2 JP2539327Y2 (en) | 1997-06-25 |
Family
ID=31453735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988166395U Expired - Lifetime JP2539327Y2 (en) | 1988-12-23 | 1988-12-23 | Piston for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539327Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53147310U (en) * | 1977-04-27 | 1978-11-20 | ||
| JPS60120242U (en) * | 1984-01-24 | 1985-08-14 | 愛知機械工業株式会社 | Piston for internal combustion engine |
| JPS6334342U (en) * | 1986-08-21 | 1988-03-05 |
-
1988
- 1988-12-23 JP JP1988166395U patent/JP2539327Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53147310U (en) * | 1977-04-27 | 1978-11-20 | ||
| JPS60120242U (en) * | 1984-01-24 | 1985-08-14 | 愛知機械工業株式会社 | Piston for internal combustion engine |
| JPS6334342U (en) * | 1986-08-21 | 1988-03-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539327Y2 (en) | 1997-06-25 |