JPS58149544U - internal combustion engine piston - Google Patents
internal combustion engine pistonInfo
- Publication number
- JPS58149544U JPS58149544U JP4657082U JP4657082U JPS58149544U JP S58149544 U JPS58149544 U JP S58149544U JP 4657082 U JP4657082 U JP 4657082U JP 4657082 U JP4657082 U JP 4657082U JP S58149544 U JPS58149544 U JP S58149544U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- combustion engine
- internal combustion
- oil
- engine piston
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図Ａはピストンピンボスにピストンピン取付穴を横
切る貫通油室を設けた従来の内燃機関のピストンの縦断
面図、第１図Ｂは第１図ＡのＰ−Ｐ線における断面図１
．第２図はピストンピン取付穴の内周に環状油溝を設け
た従来の内燃機関機関のピストンの縦断面図である。第
３図は本考案の一実施例に係る内燃機関のピストンの縦
断面図、 ゛第４図は第３図のＱ−Ｑ線における縦
断面図、第５図は本考案の他の実施例を示す要部拡大断
面図である。
１．１０・・・・・・ピストン、２．１５・・・・・・
ピストンピンボス、３．１６・・・・・・ピストンピン
取付穴、１１・・・・・・オイルリング溝、１４・・・
・・・内部空間、１７・・・・・・オイル逃し穴、１８
，１８３・・・・・・油通路。 −「−０１，７、
、、−
１８１５Ｌ ＱFig. 1A is a vertical cross-sectional view of a piston of a conventional internal combustion engine in which a piston pin boss is provided with a through-oil chamber that crosses the piston pin mounting hole, and Fig. 1B is a cross-sectional view taken along line PP in Fig. 1A.
．． FIG. 2 is a longitudinal sectional view of a piston of a conventional internal combustion engine in which an annular oil groove is provided on the inner periphery of a piston pin mounting hole. Fig. 3 is a vertical cross-sectional view of a piston of an internal combustion engine according to an embodiment of the present invention, Fig. 4 is a longitudinal cross-sectional view taken along the line Q-Q in Fig. 3, and Fig. 5 is another embodiment of the present invention. FIG. 2 is an enlarged sectional view of main parts. 1.10... Piston, 2.15...
Piston pin boss, 3.16... Piston pin mounting hole, 11... Oil ring groove, 14...
...Internal space, 17...Oil relief hole, 18
, 183...Oil passage. -“-01,7,
,,-1815L Q
Claims (1)
イル逃し穴をピストンの内側に向けて除々に絞られる形
状と成し、かつピストンピン取付穴からのオイルリング
溝もしくは前記オイル逃し穴に連結する油通路を設けｈ
ことを特徴とする内燃機関のピストン。The oil relief hole that connects the oil ring groove and the internal space of the piston is shaped to gradually narrow toward the inside of the piston, and the oil that connects to the oil ring groove or the oil relief hole from the piston pin mounting hole is formed. Provide a passage
A piston for an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4657082U JPS58149544U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4657082U JPS58149544U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58149544U true JPS58149544U (en) | 1983-10-07 |
Family
ID=30057559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4657082U Pending JPS58149544U (en) | 1982-03-31 | 1982-03-31 | internal combustion engine piston |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58149544U (en) |
-
1982
- 1982-03-31 JP JP4657082U patent/JPS58149544U/en active Pending
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