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:
Dec. 10, 2002
Filed:
Nov. 21, 2001
Masaru Tamaki, Iwata, JP;
Yamaha Hatsudoki Kabushiki Kaisha, Shjizuoka, JP;
Abstract
A small watercraft comprises a hull having a longitudinal axis and an engine disposed within the hull. A tunnel is defined on an underside of the hull. A propulsion is driven by the engine and includes a jet pump unit disposed at least partially within the tunnel. An exhaust system communicates with the engine and extends to and terminates at an exhaust discharge outlet to discharge exhaust gases generated by the engine. The exhaust discharge outlet is located along the tunnel such that the exhaust gases are discharged into a space defined between the tunnel and the jet pump unit. An exhaust opening is located downstream of the exhaust discharge outlet and is defined between the tunnel and the jet pump unit. A barrier is located in the exhaust opening so as to form an exhaust sub-chamber in the tunnel upstream of the barrier.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile