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. 19, 2002
Filed:
Dec. 08, 1999
Applicant:
Inventor:
Gerald F. Neisen, Oshkosh, WI (US);
Assignee:
Bombardier Motor Corporation of America, Grant, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 2/132 ;
U.S. Cl.
CPC ...
B63H 2/132 ;
Abstract
A marine propulsion device ( ) including a sleeve ( ) formed around an exhaust conduit ( ) to form an air cooling passage ( ) there between. Cooling air ( ) is moved through the cooling passage ( ) by an active fan ( ) and/or a passive venturi ( ). Cooling air ( ) is drawn from within an engine compartment ( ) for a predetermined time before and after the engine ( ) is operated. A water-cooled discharge support ( ) is located above the waterline ( ), thereby preventing the intermixing of exhaust gasses ( ) with the environmental water ( ).