Patent ID: 6427642
Filing Date: 2002-08-06
Classification: F02B,F02F

Abstract:
An internal combustion engine assembly comprising:a cylinder housing, a cylinder head connected to the cylinder housing, a spark plug disposed in the cylinder head in a position centrally of a cylinder formed opening of the cylinder housing, a pair of outlet valves disposed in the cylinder head and facing the cylinder opening at a first side of a central longitudinal plane of the cylinder housing through the cylinder opening, a pair of inlet valves disposed in the cylinder head and facing the cylinder opening at a second opposite side of the central plane, coolant flow openings formed in the cylinder housing and cylinder head, said coolant flow openings including coolant flow diversion structure in the cylinder head at the first side of the central plane, said coolant flow diversion structure disposed between said pair of outlet valves and extending in a plane transverse to said central longitudinal plane of the cylinder housing and said coolant flow diversion structure disposed substantially perpendicular to a flow of coolant operable to accelerate flow of coolant toward a hot site in a coolant flow channel wall occurring during operation of the engine.