Patent ID: 6948470
Filing Date: 2005-09-27
Classification: F01L,F02B,F02F

Abstract:
1. A four-cycle engine comprising: a cylinder block; a cylinder head; a cylinder head cover, wherein said cylinder head cover is stacked on top of said cylinder head and said cylinder head is stacked above said cylinder block; an intake valve and an exhaust valve opening or closing by an operative engagement with a camshaft arranged above the cylinder head; a joint being formed between the cylinder head and cylinder block, wherein the joint of the cylinder head and the cylinder block extends diagonally with respect to an axis of either the intake valve or the exhaust valve; a joint being formed between the cylinder head and the cylinder head cover, wherein the axis of either the intake valve or the exhaust valve is perpendicular to the joint between the cylinder head and the cylinder head cover; and an insertion hole having an ignition plug formed therein, wherein an axis of the insertion hole of the ignition plug is formed perpendicular to the joint of the cylinder head and the cylinder head cover.