JPS643219A - Forcedly air-cooled engine - Google Patents
Forcedly air-cooled engineInfo
- Publication number
- JPS643219A JPS643219A JP15843787A JP15843787A JPS643219A JP S643219 A JPS643219 A JP S643219A JP 15843787 A JP15843787 A JP 15843787A JP 15843787 A JP15843787 A JP 15843787A JP S643219 A JPS643219 A JP S643219A
- Authority
- JP
- Japan
- Prior art keywords
- air
- distributing hole
- cooling
- air distributing
- fan
- 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
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
PURPOSE:To increase the engine output by forming an upstream air distributing hole communicated with a muffler cooling passage and a downstream air distributing hole for forcing a cooling air to a primary chamber of an air cleaner, in a fan case provided between a centrifugal cooling fan and an engine. CONSTITUTION:A centrifugal cooling fan 2 is provided on an outer side surface of a crankcase. A fan case 5 is so provided as to extend from the centrifugal cooling fan 2 to the crankcase, a cylinder body 3 and a cylinder head 4. A flange wall 16 of the fan case 5 is formed at opposite side portions with an upstream air distributing hole 17 and a downstream air distributing hole 18. The upstream air distributing hole 17 forces a cooling air to a muffler cooling passage formed around a muffler 50, and the downstream air distributing hole 18 forces the cooling air to a primary chamber 14 of an air cleaner 12.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15843787A JPS643219A (en) | 1987-06-24 | 1987-06-24 | Forcedly air-cooled engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15843787A JPS643219A (en) | 1987-06-24 | 1987-06-24 | Forcedly air-cooled engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS643219A true JPS643219A (en) | 1989-01-09 |
Family
ID=15671746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15843787A Pending JPS643219A (en) | 1987-06-24 | 1987-06-24 | Forcedly air-cooled engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS643219A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6128011U (en) * | 1984-07-26 | 1986-02-19 | 有限会社 北陸精器 | Level with gradiometer |
-
1987
- 1987-06-24 JP JP15843787A patent/JPS643219A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6128011U (en) * | 1984-07-26 | 1986-02-19 | 有限会社 北陸精器 | Level with gradiometer |
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