Outboard motor
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorYasuyuki MYOKEI
Life of this patent
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Abstract
An outboard motor includes a cowl including an exhaust port, a hydrogen engine inside the cowl, a drive shaft connected to the hydrogen engine and drivable by the hydrogen engine, a propeller connected to the drive shaft, a fan inside the cowl to discharge gases inside the cowl to outside of the cowl through the exhaust port, a hydrogen sensor inside the cowl to detect a hydrogen concentration inside the cowl, and a controller configured or programmed to drive the fan when the hydrogen concentration detected by the hydrogen sensor becomes equal to or greater than a predetermined first threshold while the hydrogen engine is stopped.
Claims11
An outboard motor comprising:
- a cowl including an exhaust port;
- a hydrogen engine inside the cowl;
- a drive shaft connected to the hydrogen engine and drivable by the hydrogen engine;
- a propeller connected to the drive shaft;
- a fan inside the cowl to discharge gases inside the cowl to outside of the cowl through the exhaust port;
- a hydrogen sensor inside the cowl to detect a hydrogen concentration inside the cowl;
- and
- a controller configured or programmed to drive the fan when the hydrogen concentration detected by the hydrogen sensor becomes equal to or greater than a first threshold while the hydrogen engine is stopped.
Dependencies are inferred from the claim text.