Patent ID: 6582260
Filing Date: 2003-06-24
Classification: F02B,F02M,F05C

Abstract:
An outboard engine assembly comprising:an engine having a cylinder block with at least one cylinder forming part of a combustion chamber, a cylinder head, a cylinder head cover and a crankcase accommodating a crankshaft in a vertical orientation when the outboard engine assembly is in an upright position; an engine cover provided so as to cover a periphery of the engine and forming an engine room for accommodating the engine, the engine cover having an outside air introducing port for introducing outside air into the engine room, the outside air introducing port being disposed closer to the cylinder head cover than to the crankcase; an air intake system disposed in the engine room for introducing outside air from the engine room to the combustion chamber; exhaust means for discharging exhaust gas from the combustion chamber to the outside of the engine room; and wall means disposed between an outer surface of the cylinder head cover and an inner surface of the engine cover for dividing the engine room into at least two room sections that are sealed from one another; wherein the outside air introducing port is connected with one of the room sections divided by the wall means, the air intake system has an intake port opening to said one of the room sections, and the exhaust means is disposed in another one of the room sections divided by the wall means.