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. 18, 1987
Filed:
Sep. 22, 1986
Gerald F Bland, Glenview, IL (US);
Stephen R Johnson, Waukegan, IL (US);
Other;
Abstract
A marine propulsion device comprising a water cooled internal combustion engine, a gimbal housing adapted to be mounted on a boat transom and including a front end, an exhaust opening in the front end, a first exhaust relief opening in the front end adjacent one side of the exhaust opening, a second relief opening in the front end adjacent the other side of the exhaust opening, an exhaust outlet, an exhaust conduit communicating between the exhaust opening and the exhaust outlet, a first exhaust relief passage communicating between the first exhaust relief opening and the atmosphere, and a second exhaust relief passage communicating between the second exhaust relief opening and the atmosphere, and an exhaust system communicating between the engine and the exhaust opening for conducting exhaust gases and coolant water away from the engine, and communicating between the engine and the first and second exhaust relief openings for conducting exhaust gases away from the engine.