JPS5882425U - Internal combustion engine piston cooling system - Google Patents
Internal combustion engine piston cooling systemInfo
- Publication number
- JPS5882425U JPS5882425U JP17608481U JP17608481U JPS5882425U JP S5882425 U JPS5882425 U JP S5882425U JP 17608481 U JP17608481 U JP 17608481U JP 17608481 U JP17608481 U JP 17608481U JP S5882425 U JPS5882425 U JP S5882425U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- internal combustion
- oil passage
- piston cooling
- 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
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の内燃機関のピストン冷却装置に係る一
実施例の断面図、第２図は第１図の■−■線に沿う断面
図、第３図は第１図のコネクティングロッド上端部分の
一制御弁によるオイル通路連通時の部分断面図、第４図
は第１図のコネクティングロッド上端部分の制御弁によ
るオイル通路遮断時の部分断面図、である。
１・・・・・・ピストン、２・・・・・・コネクティン
グロッド、３・・・・・・ピストンピン、４・・・・・
・オイル通路、５・・・・・・穴、６・・・・・・制御
弁、７・・・・・・穴、８・・・・・・スプリング、９
・・・・・・ピストンの張り出し部。Fig. 1 is a sectional view of an embodiment of the piston cooling device for an internal combustion engine according to the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1, and Fig. 3 is the upper end of the connecting rod in Fig. 1. FIG. 4 is a partial cross-sectional view when the oil passage is in communication with the control valve at the upper end of the connecting rod in FIG. 1; FIG. 1... Piston, 2... Connecting rod, 3... Piston pin, 4...
・Oil passage, 5... Hole, 6... Control valve, 7... Hole, 8... Spring, 9
・・・・・・Protruding part of the piston.
Claims (2)
イル通路から噴射されるオイルをピストン裏面にふきか
けるようにしたピストン冷却装置において、前記コネク
ティングロッド先端に移動に応じて前記オイル通路を遮
断または連通ずる制御弁を設け、該制御弁をコネクティ
ングロッドの揺動に合せて移動するようにその一端をス
プリングにより付勢するとともに、その他端をピストン
内面に設けた張出部に当接させたこと番特徴とする内燃
機関のピストン冷却装置。(1) In a piston cooling device in which an oil passage is provided in a connecting rod and oil injected from the oil passage is sprayed onto the back surface of the piston, the oil passage is blocked or communicated with the tip of the connecting rod according to movement. The main feature is that a control valve is provided, one end of which is biased by a spring so that the control valve moves in accordance with the swinging of the connecting rod, and the other end is brought into contact with an overhang provided on the inner surface of the piston. piston cooling system for internal combustion engines.
のピストン冷却装置において、前記制御弁が、少なくと
もピストン上死点後２０度ないし３０度のクランク角度
範囲の位置において前記オイル通路を連通させるもの。(2) Utility model registration scope In the piston cooling device for an internal combustion engine according to claim 1, the control valve controls the oil passage at a position within a crank angle range of at least 20 degrees to 30 degrees after the piston top dead center. Something that communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17608481U JPS5882425U (en) | 1981-11-28 | 1981-11-28 | Internal combustion engine piston cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17608481U JPS5882425U (en) | 1981-11-28 | 1981-11-28 | Internal combustion engine piston cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5882425U true JPS5882425U (en) | 1983-06-03 |
Family
ID=29968807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17608481U Pending JPS5882425U (en) | 1981-11-28 | 1981-11-28 | Internal combustion engine piston cooling system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5882425U (en) |
-
1981
- 1981-11-28 JP JP17608481U patent/JPS5882425U/en active Pending
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