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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.:

US 12249858 B1

PDFFull Text
Date of Patent:
Mar. 11, 2025

Filed:

Aug. 26, 2021

Marine propulsion system and marine power supply system including a plurality of batteries

Applicant:

Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;

Inventors:

Takuya Hayashi, Shizuoka, JP;

Yoshihiro Mizushima, Shizuoka, JP;

Assignee:

YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;

Attorney:

Keating & Bennett, LLP

Primary Examiner:

Richard Isla

Assistant Examiner:

Manuel undefined Hernandez

Int. Cl.
CPC ...
H02J 7/00 (2006.01); B60L 1/00 (2006.01); B60L 15/20 (2006.01); B60L 50/60 (2019.01); B60L 53/20 (2019.01); B60L 58/12 (2019.01); B60L 58/20 (2019.01); B63H 21/14 (2006.01); B63H 21/17 (2006.01); B63H 21/20 (2006.01); B63H 21/21 (2006.01); F02B 63/04 (2006.01); F02N 11/08 (2006.01); B60L 50/61 (2019.01); G01R 31/382 (2019.01); H01M 10/48 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0048 (2020.01); B60L 1/00 (2013.01); B60L 15/20 (2013.01); B60L 50/60 (2019.02); B60L 53/20 (2019.02); B60L 58/12 (2019.02); B60L 58/20 (2019.02); B63H 21/14 (2013.01); B63H 21/17 (2013.01); B63H 21/20 (2013.01); B63H 21/21 (2013.01); F02B 63/042 (2013.01); F02N 11/0862 (2013.01); H02J 7/0063 (2013.01); B60L 50/61 (2019.02); B60L 50/66 (2019.02); B60L 2240/529 (2013.01); B60L 2240/549 (2013.01); B63H 2021/202 (2013.01); B63H 2021/205 (2013.01); B63H 2021/216 (2013.01); G01R 31/382 (2019.01); H01M 10/48 (2013.01);
Abstract

A marine propulsion system includes a marine propulsion unit, a first battery for a starter of an engine, a second battery for an electric motor, a third battery for at least one of a plurality of devices in or on a marine vessel excluding the starter and the electric motor, and a charge amount acquisition controller configured or programmed to perform a control to acquire a charge amount of at least one of the first battery, the second battery, or the third battery based on a first power supplied from a power source to the first battery, the second battery, and the third battery, and a second power supplied from the first battery, the second battery, and the third battery to devices in or on the marine vessel.

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