Patent ID: 6810849
Filing Date: 2004-11-02
Classification: F01M,F02B,F02F,F05C,F16H

Abstract:
A four-stroke internal combustion engine, comprising:an engine housing including a crankcase and a cylinder; a cylinder head which at least partially defines a combustion chamber, said cylinder head disposed adjacent to said cylinder; an intake valve and an exhaust valve disposed within said engine housing; a crank chamber disposed within said crankcase; an oil reservoir disposed within said crankcase, said oil reservoir being in fluid flow communication with said crank chamber; a divider disposed within said crankcase, said divider at least partially dividing said crank chamber and said oil reservoir, said oil reservoir including first and second portions on opposite sides of said crank chamber; and a path fluidly connecting said first and second portions, said path allowing lubricant from said oil reservoir to flow around a substantial portion of said divider and to equalized the amount of lubricant in said first and second portions when the engine is inverted.