JPS61125627U - - Google Patents
Info
- Publication number
- JPS61125627U JPS61125627U JP792885U JP792885U JPS61125627U JP S61125627 U JPS61125627 U JP S61125627U JP 792885 U JP792885 U JP 792885U JP 792885 U JP792885 U JP 792885U JP S61125627 U JPS61125627 U JP S61125627U
- Authority
- JP
- Japan
- Prior art keywords
- cooling air
- cylinder
- exhaust pipe
- air passage
- cylinder head
- 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 9
- 238000002485 combustion reaction Methods 0.000 claims description 2
Landscapes
- Exhaust Silencers (AREA)
Description
第１図はこの考案の実施例を示す４サイクルエ
ンジンの縦断正面図、第２図は同縦断側面図、第
３図は同第１図Ａ―Ａ矢視のサイドカバー端面図
、第４図は同第１図Ｂ―Ｂ矢視平面図である。
１……シリンダ、５……クランク軸、６……シ
リンダヘツド、７……ヘツドカバー、８……燃焼
室、２０……点火プラグ、３５……カウリング、
３６……シリンダ冷却エア通路、３８……送風フ
アン、４２……エア供給管、４３……シリンダヘ
ツド冷却エア通路、４４……エキゾーストパイプ
、４５……カバーパイプ、４６……エキゾースト
パイプ冷却エア通路。
Fig. 1 is a longitudinal sectional front view of a four-cycle engine showing an embodiment of this invention, Fig. 2 is a longitudinal sectional side view of the same, Fig. 3 is an end view of the side cover taken along arrow A--A in Fig. 1, and Fig. 4. 1 is a plan view taken along the line B--B in FIG. 1. 1... Cylinder, 5... Crankshaft, 6... Cylinder head, 7... Head cover, 8... Combustion chamber, 20... Spark plug, 35... Cowling,
36...Cylinder cooling air passage, 38...Blower fan, 42...Air supply pipe, 43...Cylinder head cooling air passage, 44...Exhaust pipe, 45...Cover pipe, 46...Exhaust pipe cooling air passage .
Claims (1)
冷却エア通路と、シリンダヘツド燃焼室周りに形
成したシリンダヘツド冷却エア通路とに、クラン
ク軸に連動する送風フアンの冷却エアを並列に流
通させるようにすると共に、エキゾーストパイプ
の外周をカバーパイプで覆つたエキゾーストパイ
プ冷却エア通路を構成して、上記シリンダまたは
シリンダヘツドを冷却した冷却エアの一部を導入
するようにしたことを特徴とする空冷エンジンの
冷却装置。 Cooling air from a blower fan linked to the crankshaft is made to flow in parallel through a cylinder cooling air passage surrounded by a cowling around the cylinder and a cylinder head cooling air passage formed around the cylinder head combustion chamber. A cooling device for an air-cooled engine, characterized in that an exhaust pipe cooling air passage is formed by covering the outer periphery of the exhaust pipe with a cover pipe, and a part of the cooling air that has cooled the cylinder or cylinder head is introduced into the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP792885U JPS61125627U (en) | 1985-01-25 | 1985-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP792885U JPS61125627U (en) | 1985-01-25 | 1985-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61125627U true JPS61125627U (en) | 1986-08-07 |
Family
ID=30486735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP792885U Pending JPS61125627U (en) | 1985-01-25 | 1985-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61125627U (en) |
-
1985
- 1985-01-25 JP JP792885U patent/JPS61125627U/ja active Pending
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