The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2024
Filed:
Dec. 02, 2021
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Inventor:
Hirofumi Amma, Shizuoka, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63B 79/15 (2020.01); B63B 34/10 (2020.01); F02D 29/02 (2006.01); B63H 21/21 (2006.01); B63B 79/40 (2020.01);
U.S. Cl.
CPC ...
B63B 79/15 (2020.01); B63B 34/10 (2020.02); B63B 79/40 (2020.01); B63H 21/213 (2013.01); F02D 29/02 (2013.01);
Abstract
A watercraft includes a hull, an engine to generate power to propel the hull, an engine speed sensor to detect the rotation speed of the engine, and an ON/OFF sensor to be turned on and off according to a vertical acceleration of the hull. The watercraft further includes a controller configured or programmed to determine, based on at least one of a detection value of the ON/OFF sensor and a detection value of the engine speed sensor, whether or not a water surface is smooth.