JPH03116715U - - Google Patents
Info
- Publication number
- JPH03116715U JPH03116715U JP7792990U JP7792990U JPH03116715U JP H03116715 U JPH03116715 U JP H03116715U JP 7792990 U JP7792990 U JP 7792990U JP 7792990 U JP7792990 U JP 7792990U JP H03116715 U JPH03116715 U JP H03116715U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- piston
- groove
- ring
- cooling channel
- 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
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は本考案によるピストンの潤滑動作を説明する
ための断面図、第３図は本考案の第２実施例を示
す断面図、第４図は第２実施例による潤滑動作の
説明図、第５図は本考案の第３実施例を示す断面
図、第６図は従来例の構成を示す断面図である。
１，２１……ピストン、２１Ａ……リング部、
２……オイルリング溝、３，２３……ピストンピ
ン孔、４，２５……ピンボス部、１０，２６……
オイル溝、１１……オイル孔、１２，２７……オ
イル連通孔、１４……ピストンピン、１５……シ
リンダ、２２……クーリングチヤンネル、２４…
…オイル流入孔、２８……ピストンピン、３２…
…オイルジエツト。
Fig. 1 is a sectional view showing one embodiment of the present invention;
3 is a sectional view showing the second embodiment of the invention, FIG. 4 is an explanatory diagram of the lubrication action according to the second embodiment, and FIG. The figure is a cross-sectional view showing the third embodiment of the present invention, and FIG. 6 is a cross-sectional view showing the configuration of a conventional example. 1, 21...Piston, 21A...Ring part,
2... Oil ring groove, 3, 23... Piston pin hole, 4, 25... Pin boss part, 10, 26...
Oil groove, 11... Oil hole, 12, 27... Oil communication hole, 14... Piston pin, 15... Cylinder, 22... Cooling channel, 24...
...Oil inlet hole, 28...Piston pin, 32...
...Oil jet.
Claims (1)
溝を形成し、 オイルリング溝と、リング部の内側に周設した
クーリングチヤンネルとの少なくとも一方と、前
記オイル溝とを連通するオイル孔を、 設けたことを特徴とする内燃機関のピストン。[Claims for Utility Model Registration] An oil groove with a closed end is formed on the circumferential surface of the piston pin hole, and at least one of the oil ring groove and a cooling channel provided around the inside of the ring portion, and the oil groove A piston for an internal combustion engine characterized by having an oil hole communicating with the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7792990U JPH03116715U (en) | 1990-01-09 | 1990-07-23 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP67890 | 1990-01-09 | ||
| JP7792990U JPH03116715U (en) | 1990-01-09 | 1990-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03116715U true JPH03116715U (en) | 1991-12-03 |
Family
ID=31716967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7792990U Pending JPH03116715U (en) | 1990-01-09 | 1990-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03116715U (en) |
-
1990
- 1990-07-23 JP JP7792990U patent/JPH03116715U/ja active Pending