US 12,454,337 B2
Marine vessel
Kenta Sugitate, Wako (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Sep. 2, 2022, as Appl. No. 17/901,883.
Prior Publication US 2024/0076016 A1, Mar. 7, 2024
Int. Cl. B63B 43/06 (2006.01); B63B 13/00 (2006.01); B63B 79/10 (2020.01); B63J 3/00 (2006.01)
CPC B63B 43/06 (2013.01) [B63B 79/10 (2020.01); B63B 2013/005 (2013.01); B63B 2207/02 (2013.01); B63J 2003/002 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A marine vessel comprising:
a hull;
an electric propulsion portion that propels the hull;
a water tank portion that is provided on the hull and is capable of storing water in the water tank portion;
a float portion that is provided within the water tank portion so as to be movable upward and downward; and
a battery case that is attached to the float portion and is capable of storing a detachable portable battery which becomes an electric power source of the electric propulsion portion in the battery case,
wherein the battery case is arranged so as to float with respect to the water in the water tank portion.