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. 26, 1985
Filed:
Jun. 15, 1983
Charles B Hall, Ingleside, IL (US);
Martin J Mondek, Wonder Lake, IL (US);
Outboard Marine Corporation, Waukegan, IL (US);
Abstract
A marine propulsion device comprising a propulsion unit including an internal combustion engine including an exhaust gas outlet, and a lower unit connected to the engine and including a rotatably supported propeller intended to be at least partially submerged in water, an exhaust gas discharge outlet intended to be submerged in water when the engine is operating at low speed, an exhaust gas duct extending from the engine exhaust gas outlet to the discharge outlet, an exhaust relief outlet communicating with the atmosphere, and an exhaust relief passageway extending from the engine exhaust gas outlet to the exhaust relief outlet.