Patent ID: 6125811
Filing Date: 2000-10-03
Classification: F02B,F02F

Abstract:
A cast cylinder block for an engine defining a plurality of inline, cylinder bores, a bell housing formed integrally at one end of said cylinder block and adapted to contain at least in part a flywheel fixed to one end of a crankshaft that is rotatably journaled within said cylinder block, said bell housing being formed at least in part by a widened area of said cylinder block that extends forwardly from the one end thereof to a point which terminates at a distance from said one end that is not less than the distance to the second most cylinder bore from said one end, a cavity formed between the external walls of said widened area of said cylinder block so as to lighten its weight, said cavity having an open end communicating with a cavity in one of a cylinder head and a crankcase member affixed to said cylinder block for passage of fluids between said cylinder block and the at least one of the crankcase member and cylinder head.