Patent ID: 6893306
Filing Date: 2005-05-17
Classification: B63H,F01N,F01P,F02B

Abstract:
1. An outboard motor comprising a housing unit adapted to be mounted on an associated watercraft, an internal combustion engine having at least one exhaust port, an engine support supporting the engine above the housing unit, an exhaust system configured to guide exhaust gasses from the exhaust port, the exhaust system comprising an exhaust manifold communicating with the exhaust port and an exhaust conduit having an upper end communicating with the exhaust manifold and extending downwardly into the housing, a cooling system configured to guide coolant into thermal communication with at least a portion of the exhaust system, the cooling system comprising a coolant conduit extending along a first direction generally parallel to the exhaust conduit and terminating at a first discharge opening disposed adjacent to the exhaust conduit, and a guide member disposed adjacent to the first discharge opening, the guide member having a surface at least partially overlapping the first discharge opening and skewed relative to the first direction such that coolant discharged from the first discharge opening is diverted by the surface toward the exhaust conduit.