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:
Aug. 26, 2014
Filed:
Jan. 30, 2012
Shinya Maekawa, Shizuoka, JP;
Toshio Suzuki, Shizuoka, JP;
Koichi Nakayama, Shizuoka, JP;
Katsumi Ochiai, Shizuoka, JP;
Shinya Maekawa, Shizuoka, JP;
Toshio Suzuki, Shizuoka, JP;
Koichi Nakayama, Shizuoka, JP;
Katsumi Ochiai, Shizuoka, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shizuoka, JP;
Abstract
An outboard motor includes an engine, an exhaust manifold, and a lower exhaust passage. The engine includes a plurality of cylinders, and a plurality of exhaust ports. The cylinders are disposed in-line in a vertical direction. The exhaust ports are respectively connected to the cylinders. The exhaust manifold includes a first passage, a second passage, and a third passage. The first passage is connected to the exhaust ports, and extends in a vertical direction. The second passage is connected to the first passage. The third passage is connected to the first passage below the second passage. The lower exhaust passage is connected to the exhaust manifold, and provides a passage through which exhaust gas is expelled to the outside from the exhaust manifold. One of the second passage and the third passage is connected to the lower exhaust passage.