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:
Mar. 31, 1998
Filed:
Apr. 16, 1996
Applicant:
Inventors:
Kazuhiro Okuzawa, Hamamatsu, JP;
Takaji Kawai, Hamamatsu, JP;
Assignee:
Sanshin Kogyo Kabushiki Kaisha, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 89 ; 1231 / ;
Abstract
Embodiments of four-cycle outboard motors having an improved exhaust system. The exhaust system includes an expansion chamber that is formed in the drive shaft housing of the outboard motor below an oil tank for the engine which is positioned therein. A water chamber is formed around the expansion chamber and the lower portion of the oil tank for cooling them. An above-the-water exhaust gas discharge is provided that communicates with the area above the water jacket.
Okuzawa, Kazuhiro. (1998). Four-cycle outboard motor (U.S. Patent No. 5733157). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5733157
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile