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:
Feb. 13, 2001
Filed:
Mar. 10, 2000
Masashi Takayanagi, Hamamatsu, JP;
Suzuki Motor Corporation, Hamamatsu, JP;
Abstract
An exhaust passage structure for an outboard motor is provided to prevent exhaust emission interference from occurring while employing a simple construction and without increasing the engine size. In an outboard motor,equipped with an engine,having a cylinder block,comprising a plurality of cylinders arranged in parallel to each other with an exhaust port,for each cylinder being formed in a cylinder head,that is joined with the cylinder block,exhaust passages,are formed in an exhaust manifold,for connecting each of the exhaust ports,and an exhaust discharge path,formed on the outboard motor,side, while all the exhaust passages,are joined after joining the exhaust passages,-,and,-,from the cylinders where combustion takes place in odd-numbered cycles and the exhaust passages,-,and,-,from the cylinders where combustion takes place in even-numbered cycles separately, with the exhaust passages,that are joined separately being disposed in parallel to each other in the longitudinal direction of the outboard motor