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:
Oct. 20, 2026
Filed:
Feb. 12, 2024
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Jun Ebuchi, Shizuoka, JP;
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Abstract
An outboard motor includes an electric motor, a motor control board to control the electric motor and having one end higher than another end, a case between the electric motor and the motor control board and including a cooling chamber, a supply flow path connected to the cooling chamber of the case to supply refrigerant to the cooling chamber, and a discharge flow path connected to the cooling chamber to discharge the refrigerant from the cooling chamber. A discharge port of the discharge flow path is located at the one end of the motor control board, a supply port of the supply flow path is located at the another end of the motor control board, a lower end of the discharge port is higher than a lower end of the supply port, and a first wall surface of the cooling chamber extends along the motor control board.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile