JPH0476929U - - Google Patents
Info
- Publication number
- JPH0476929U JPH0476929U JP12085390U JP12085390U JPH0476929U JP H0476929 U JPH0476929 U JP H0476929U JP 12085390 U JP12085390 U JP 12085390U JP 12085390 U JP12085390 U JP 12085390U JP H0476929 U JPH0476929 U JP H0476929U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- oil
- suction pipe
- discharge port
- cooling 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
- 238000010586 diagram Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
第１図は本考案によるエンジンのピストン冷却
装置を示す要部の断面図、第２図は第１図におけ
るピストンの下降行程による作用を示す説明図、
第３図は第１図におけるピストンの上昇行程によ
る作用を示す説明図である。
１……ピストン、２……冷却通路、３……オイ
ル取入口、４……吐出口、５……オイルジエツト
、６……吸引パイプ、８……バルブ（リードバル
ブ）。
FIG. 1 is a cross-sectional view of the main parts of the engine piston cooling device according to the present invention, and FIG. 2 is an explanatory diagram showing the effect of the downward stroke of the piston in FIG. 1.
FIG. 3 is an explanatory diagram showing the effect of the upward stroke of the piston in FIG. 1. 1... Piston, 2... Cooling passage, 3... Oil intake, 4... Discharge port, 5... Oil jet, 6... Suction pipe, 8... Valve (reed valve).
Claims (1)
と共に、この冷却通路の所定位置にオイル取入口
および吐出口を連通し、上記ピストンのオイル取
入口の下方に、前記冷却通路内にオイルを噴射す
るオイルジエツトを備えたピストン冷却装置にお
いて、上記ピストンの吐出口の下方に、ピストン
の下降時に吐出口内に適正なクリアランスを有し
て嵌入する吸引パイプを設け、上記吸引パイプに
、パイプ内から外部へのオイルの流通を許し逆方
向の流通を阻止するバルブを設置したことを特徴
とするピストン冷却装置。 A cooling passage is formed in the crown portion of the piston, and an oil intake port and a discharge port are connected to a predetermined position of the cooling passage, and an oil jet is provided below the oil intake port of the piston for injecting oil into the cooling passage. In the piston cooling device, a suction pipe is provided below the discharge port of the piston, and the suction pipe fits into the discharge port with an appropriate clearance when the piston is lowered, and the suction pipe is provided with a suction pipe that allows oil to flow from inside the pipe to the outside. A piston cooling device characterized by installing a valve that allows circulation and prevents circulation in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12085390U JPH0476929U (en) | 1990-11-20 | 1990-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12085390U JPH0476929U (en) | 1990-11-20 | 1990-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476929U true JPH0476929U (en) | 1992-07-06 |
Family
ID=31868739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12085390U Pending JPH0476929U (en) | 1990-11-20 | 1990-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476929U (en) |
-
1990
- 1990-11-20 JP JP12085390U patent/JPH0476929U/ja active Pending
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