JPS6342824U - - Google Patents
Info
- Publication number
- JPS6342824U JPS6342824U JP13557586U JP13557586U JPS6342824U JP S6342824 U JPS6342824 U JP S6342824U JP 13557586 U JP13557586 U JP 13557586U JP 13557586 U JP13557586 U JP 13557586U JP S6342824 U JPS6342824 U JP S6342824U
- Authority
- JP
- Japan
- Prior art keywords
- cam sprocket
- outside air
- timing belt
- air introduction
- 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 3
- 238000001816 cooling Methods 0.000 claims description 3
Description
第１図は本考案に係る内燃エンジンのタイミン
グベルトの冷却構造の一実施例を示す要部正面図
、第２図は本考案を適用した車両のエンジンルー
ムの要部を示す斜視図、第３図は第１図のカムス
プロケツト部分の要部拡大縦断面図、第４図は第
１図のカムスプロケツトの正面図、第５図は第４
図の矢線―断面図、第６図は第１図のクラン
クプーリ部分の要部拡大縦断面図、第７図は第１
図のクランクプーリの正面図、第８図は第７図の
矢線―断面図、第９図は従来の内燃エンジン
のタイミングベルトの冷却構造を示す正面図、第
１０図は第９図のカムスプロケツト部分の要部拡
大縦断面図である。
４……タイミングベルト、１１……エンジン、
１２……カムスプロケツト、１４……フアンブレ
ード、２１……タイミングベルトカバー、２１ａ
……孔、３１……外気導入ダクト、３１ａ，３１
ｂ……開口端、３３……エンジンルーム。
FIG. 1 is a front view of a main part showing an embodiment of a cooling structure for a timing belt of an internal combustion engine according to the present invention, FIG. 2 is a perspective view showing a main part of an engine compartment of a vehicle to which the present invention is applied, and FIG. The figure is an enlarged vertical sectional view of the main part of the cam sprocket shown in Fig. 1, Fig. 4 is a front view of the cam sprocket shown in Fig. 1, and Fig. 5 is the main part of the cam sprocket shown in Fig. 1.
Arrow line in the figure - sectional view, Figure 6 is an enlarged vertical sectional view of the main part of the crank pulley part in Figure 1, Figure 7 is the
8 is a cross-sectional view along the arrow line in FIG. 7, FIG. 9 is a front view showing the cooling structure of the timing belt of a conventional internal combustion engine, and FIG. 10 is a cam sprocket shown in FIG. 9. FIG. 2 is an enlarged vertical cross-sectional view of the main part of the bottom portion. 4...timing belt, 11...engine,
12...Cam sprocket, 14...Fan blade, 21...Timing belt cover, 21a
... Hole, 31 ... Outside air introduction duct, 31a, 31
b...Open end, 33...Engine room.
Claims (1)
ブレードを一体に設けて外気を導入する遠心フア
ンを形成すると共に、当該カムスプロケツト及び
該カムスプロケツトに掛回されるタイミングベル
トを囲繞するタイミングベルトカバーの前記カム
スプロケツトのフアンブレードと対向する端面に
外気導入口を設け、該外気導入口に外気導入ダク
トの一側開口端を連通させ、他側開口端をエンジ
ンルームの外方に臨ませて配置したことを特徴と
する内燃エンジンのタイミングベルトの冷却構造
。 A fan blade is integrally provided on the end surface of the cam sprocket on the side opposite to the engine to form a centrifugal fan for introducing outside air, and the cam sprocket of the timing belt cover surrounds the cam sprocket and the timing belt wound around the cam sprocket. An outside air introduction port is provided on the end face facing the fan blade, one open end of the outside air introduction duct is communicated with the outside air introduction port, and the other open end is arranged so as to face the outside of the engine room. A cooling structure for the timing belt of an internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13557586U JPS6342824U (en) | 1986-09-05 | 1986-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13557586U JPS6342824U (en) | 1986-09-05 | 1986-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6342824U true JPS6342824U (en) | 1988-03-22 |
Family
ID=31037888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13557586U Pending JPS6342824U (en) | 1986-09-05 | 1986-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342824U (en) |
-
1986
- 1986-09-05 JP JP13557586U patent/JPS6342824U/ja active Pending