Outboard motor and watercraft

An outboard motor includes an engine, a flywheel magnet generator, a fan, and a cover member. The engine includes a crankshaft extending in a vertical direction. The flywheel magnet generator includes a flywheel rotor, a core, and a coil. The flywheel rotor is attached to an end of the crankshaft. T...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	Ochiai Katsumi
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An outboard motor includes an engine, a flywheel magnet generator, a fan, and a cover member. The engine includes a crankshaft extending in a vertical direction. The flywheel magnet generator includes a flywheel rotor, a core, and a coil. The flywheel rotor is attached to an end of the crankshaft. The core and the coil are disposed between the flywheel rotor and the engine. The fan is attached onto the flywheel rotor. The cover member is disposed above the fan. 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 radially outwardly releases the air sucked in through the first suction port, whereas the second ventilation path radially outwardly releases the air sucked in through the second suction port.