US 12,134,447 B2
Watercraft
Hirofumi Amma, Shizuoka (JP); Junya Miwa, Shizuoka (JP); and Hideyoshi Sato, Shizuoka (JP)
Assigned to YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka (JP)
Filed by YAMAHA HATSUDOKI KABUSHIKI KAISHA, Iwata (JP)
Filed on Dec. 2, 2021, as Appl. No. 17/540,461.
Claims priority of application No. 2020-203747 (JP), filed on Dec. 8, 2020.
Prior Publication US 2022/0177087 A1, Jun. 9, 2022
Int. Cl. B63B 79/15 (2020.01); B63B 79/40 (2020.01)
CPC B63B 79/15 (2020.01) [B63B 79/40 (2020.01)] 17 Claims
OG exemplary drawing
 
1. A watercraft comprising:
a hull;
a wave detector to detect conditions of waves occurring on a water surface;
a trim adjuster to adjust a trim angle of the watercraft;
a controller configured or programmed to determine, based on a detection value of the wave detector, whether or not the water surface is smooth and, if it is determined that the water surface is not smooth, control the trim adjuster to increase the trim angle; and
a trim button to be operated by a watercraft rider when a bow of the watercraft is to be moved upward and downward with respect to a stern of the watercraft; wherein
the controller is further configured or programmed to control the trim adjuster to change the trim angle within an angle range not greater than a manual upper limit angle that is able to be obtained by the watercraft rider using the trim button and, when it is determined that the water surface is not smooth, control the trim adjuster to increase the trim angle to an angle greater than the manual upper limit angle.