| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ventilation device of an outboard motor achieving excellent ventilation performance with a compact constitution and excellent waterproof, etc. <P>SOLUTION: In this ventilation device, an air passing hole is formed to perform drill-through between a transom board 2 mounted with the outboard motor 10 thereon and an engine case 100, and air for combustion and air for ventilation of an engine chamber are separately taken in from a ventilation chamber 49 on a hull side via the air passing hole. The ventilation device includes: a first blower 52 arranged on an air inlet side of the ventilation chamber 49; a second blower 54 arranged on an air outlet side of the ventilation chamber 49; and a third blower 56 arranged on an air outlet side of the engine case 100. <P>COPYRIGHT: (C)2013,JPO&INPIT |
