Patent ID: 9587601
Date: 2017-03-07
CPC Classifications: B63H,F01P,F02B,F02M

Claim:
1. An outboard motor comprising: an engine including a crankshaft extending in a vertical direction; a flywheel magnet generator including a flywheel rotor, a core, and a coil, the flywheel rotor being attached to an end of the crankshaft, and the core and the coil being located between the flywheel rotor and the engine; a fan attached to the flywheel rotor; and a cover member located above the fan; wherein the cover member includes a first suction port that sucks in air from above the cover member; the flywheel rotor includes a second suction port that sucks in air from below the flywheel rotor; the fan includes a first ventilation path and a second ventilation path, the first ventilation path releasing radially outwardly the air sucked in through the first suction port, and the second ventilation path releasing radially outwardly the air sucked in through the second suction port; the fan includes an annular member, a plurality of upper blades, and a plurality of lower blades; the annular member is located about an axis of the crankshaft; the plurality of upper blades are provided on an upper surface of the annular member; and the plurality of lower blades are provided on a lower surface of the annular member.