JPH0218643U - - Google Patents
Info
- Publication number
- JPH0218643U JPH0218643U JP9459188U JP9459188U JPH0218643U JP H0218643 U JPH0218643 U JP H0218643U JP 9459188 U JP9459188 U JP 9459188U JP 9459188 U JP9459188 U JP 9459188U JP H0218643 U JPH0218643 U JP H0218643U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- oil
- groove
- piston cooling
- oil passage
- 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 7
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Description
第１図は本考案の一実施例に係る内燃機関のピ
ストン冷却装置における冷却オイルの噴射状態を
示す断面図、第２図は第１図の装置においてピス
トンが下死点に到達した時の冷却オイルの噴射状
態を示す断面図、第３図は第１図の―線に沿
う断面図、第４図は第１図におけるピストンの斜
視図、である。
１……シリンダブロツク、３……ピストン、５
……ピストン冷却用オイル通路、１０……オイル
溝、１１……頂部裏面、１２……オイル噴出口、
１３……オイル、１４……ピストンピン。
Fig. 1 is a cross-sectional view showing the injection state of cooling oil in a piston cooling device for an internal combustion engine according to an embodiment of the present invention, and Fig. 2 is a sectional view showing cooling oil when the piston reaches the bottom dead center in the device shown in Fig. 1. FIG. 3 is a sectional view taken along the line --- in FIG. 1, and FIG. 4 is a perspective view of the piston in FIG. 1. 1... Cylinder block, 3... Piston, 5
... Piston cooling oil passage, 10 ... Oil groove, 11 ... Top back surface, 12 ... Oil spout,
13...oil, 14...piston pin.
Claims (1)
沿つて延びるオイル溝を形成し、シリンダブロツ
クに、前記ピストンのオイル溝に向けてオイルを
圧送するピストン冷却用オイル通路を設け、前記
ピストンのオイル溝の溝底に、前記ピストン冷却
用オイル通路からのオイルをピストンの頂部裏面
に向けて噴射するオイル噴出口を設けたことを特
徴とする内燃機関のピスト冷却装置。 An oil groove extending along the movement direction of the piston is formed on the outer circumferential surface of the piston, and a piston cooling oil passage is provided in the cylinder block for pumping oil toward the oil groove of the piston. A piston cooling device for an internal combustion engine, characterized in that an oil spout is provided at the bottom of the groove for injecting oil from the piston cooling oil passage toward the back surface of the top of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9459188U JPH0218643U (en) | 1988-07-19 | 1988-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9459188U JPH0218643U (en) | 1988-07-19 | 1988-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0218643U true JPH0218643U (en) | 1990-02-07 |
Family
ID=31319143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9459188U Pending JPH0218643U (en) | 1988-07-19 | 1988-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218643U (en) |
-
1988
- 1988-07-19 JP JP9459188U patent/JPH0218643U/ja active Pending