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. 18, 2025
Filed:
Dec. 12, 2023
Applicant:
Yamaha Hatsudoki Kabushiki Kaisha, Iwata, JP;
Inventors:
Shinya Kasai, Shizuoka, JP;
Satoshi Kinowaki, Shizuoka, JP;
Assignee:
YAMAHA HATSUDOKI KABUSHIKI KAISHA, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 35/10 (2006.01); F02B 29/04 (2006.01); F02B 61/04 (2006.01); F02M 35/16 (2006.01);
U.S. Cl.
CPC ...
F02M 35/10078 (2013.01); F02B 29/0406 (2013.01); F02B 61/045 (2013.01); F02M 35/167 (2013.01);
Abstract
A vessel propulsion apparatus includes an engine and a propulsion unit to be driven by the engine. The engine includes a cylinder head including a combustion chamber and a pair of intake openings to communicate with the combustion chamber. The engine further includes a pair of intake ports respectively including a pair of downstream portions respectively connected to the pair of intake openings. A distance between the pair of downstream portions decreases toward the pair of intake openings.