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:
Nov. 28, 2023
Filed:
May. 24, 2021
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Inventors:
Junya Tsukada, Shizuoka, JP;
Hikaru Yasukawa, Shizuoka, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 1/26 (2006.01); B63H 1/16 (2006.01); B63H 20/32 (2006.01);
U.S. Cl.
CPC ...
B63H 1/26 (2013.01); B63H 1/16 (2013.01); B63H 20/32 (2013.01);
Abstract
An outboard motor includes a duct, a propeller, a central shaft, and a plurality of fins. The duct includes a circular hole. The propeller is located in the circular hole. The propeller includes a boss and a plurality of blades radially extending from the boss. The central shaft rotatably supports the propeller. The plurality of fins radially extend from the central shaft and connect the central shaft and the duct. The plurality of fins define an airfoil profile.