US 12,258,112 B2
System for and method of controlling behavior of watercraft
Satoru Hamada, Shizuoka (JP)
Assigned to YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka (JP)
Filed by YAMAHA HATSUDOKI KABUSHIKI KAISHA, Iwata (JP)
Filed on Aug. 11, 2022, as Appl. No. 17/885,598.
Claims priority of application No. 2021-144713 (JP), filed on Sep. 6, 2021.
Prior Publication US 2023/0071146 A1, Mar. 9, 2023
Int. Cl. B63B 79/10 (2020.01); B63B 79/40 (2020.01); B63H 20/10 (2006.01)
CPC B63H 20/106 (2013.01) [B63B 79/10 (2020.01); B63B 79/40 (2020.01)] 5 Claims
OG exemplary drawing
 
3. A method of controlling a behavior of a watercraft including an outboard motor operable to perform a lift motion up and down, a bracket including a first lift bracket attached to the watercraft and a second lift bracket attached to the outboard motor, and a lift actuator to cause the outboard motor to perform the lift motion in a lift-up direction and a lift-down direction, the method comprising:
obtaining motion information indicating an up-and-down directional motion of a bow of the watercraft;
selectively setting either the lift-up direction or the lift-down direction as a lift direction in accordance with the up-and-down directional motion of the bow based on the motion information;
controlling the lift actuator to cause the outboard motor to perform the lift motion in the lift direction by causing the second lift bracket to slide against the first lift bracket; and
setting a duration of the lift motion to be different between when the outboard motor is caused to perform the lift motion in the lift-up direction and when the outboard motor is caused to perform the lift motion in the lift-down direction.