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. 02, 2021
Filed:
Jul. 01, 2020
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Inventors:
Yuki Ikegaya, Shizuoka, JP;
Takahiro Oguma, Shizuoka, JP;
Satoru Hamada, Shizuoka, JP;
Akihiro Onoue, Shizuoka, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 20/20 (2006.01); B63H 20/28 (2006.01); B63H 23/34 (2006.01); B63H 20/00 (2006.01);
U.S. Cl.
CPC ...
B63H 20/20 (2013.01); B63H 20/28 (2013.01); B63H 23/34 (2013.01); B63H 2020/006 (2013.01);
Abstract
An engine includes a crankshaft extending in a vertical direction. A drive shaft is connected to the crankshaft and coaxial with the crankshaft. A water intake passage is connected to the engine. A water pump is connected to the water intake passage. The water pump includes a pump shaft. The pump shaft is eccentrically mounted with respect to the drive shaft and parallel or substantially parallel to the drive shaft. The pump shaft rotates according to rotation of the drive shaft.