JPH0368546U - - Google Patents
Info
- Publication number
- JPH0368546U JPH0368546U JP12962589U JP12962589U JPH0368546U JP H0368546 U JPH0368546 U JP H0368546U JP 12962589 U JP12962589 U JP 12962589U JP 12962589 U JP12962589 U JP 12962589U JP H0368546 U JPH0368546 U JP H0368546U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- pin hole
- piston
- hole
- combustion engine
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係る内燃機関用ピストンの第
１実施例を示す断面図、第２図および第３図は第
１図における逆止弁の動作状態を示す拡大断面図
、第４図は第２図のＡ−Ａ線に沿う断面図、第５
図は本考案に係る内燃機関用ピストンの第２実施
例を示す断面図、第６図および第７図は第２実施
例における逆止弁の動作状態を示す拡大断面図、
第８図は第７図のＢ−Ｂ線に沿う断面図、第９図
は本考案に係る内燃機関用ピストンの第３実施例
を示す断面図、第１０図は従来の内燃機関用ピス
トンの一例を示す断面図である。
１０，１００……ピストン本体、１０ａ，１０
ｂ，１０ｃ……ピン孔、２０，７０，８０……オ
イル孔、２０ａ，８０……逆止弁。
FIG. 1 is a cross-sectional view showing a first embodiment of a piston for an internal combustion engine according to the present invention, FIGS. 2 and 3 are enlarged cross-sectional views showing the operating state of the check valve in FIG. 1, and FIG. Sectional view taken along line A-A in Fig. 2, No. 5
The figure is a sectional view showing a second embodiment of the piston for an internal combustion engine according to the present invention, and FIGS. 6 and 7 are enlarged sectional views showing the operating state of the check valve in the second embodiment.
FIG. 8 is a sectional view taken along line B-B in FIG. 7, FIG. 9 is a sectional view showing a third embodiment of the piston for an internal combustion engine according to the present invention, and FIG. 10 is a sectional view of a conventional piston for an internal combustion engine. It is a sectional view showing an example. 10,100... Piston body, 10a, 10
b, 10c... pin hole, 20, 70, 80... oil hole, 20a, 80... check valve.
Claims (1)
孔に開口するよう穿設され、ピン孔へオイルを供
給するオイル孔とを有するピストンにおいて、前
記オイル孔内にピン孔側へのオイル流れのみを許
容する逆止弁を備えたことを特徴とする内燃機関
用ピストン。 In a piston that has a pin hole provided in the piston body and an oil hole that is opened to the pin hole and supplies oil to the pin hole, oil only flows toward the pin hole side within the oil hole. A piston for an internal combustion engine, characterized by being equipped with a check valve that allows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12962589U JPH0368546U (en) | 1989-06-09 | 1989-11-06 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6745889 | 1989-06-09 | ||
| JP12962589U JPH0368546U (en) | 1989-06-09 | 1989-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368546U true JPH0368546U (en) | 1991-07-05 |
Family
ID=31718356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12962589U Pending JPH0368546U (en) | 1989-06-09 | 1989-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368546U (en) |
-
1989
- 1989-11-06 JP JP12962589U patent/JPH0368546U/ja active Pending