Patent ID: 6223713
Filing Date: 2001-05-01
Classification: F01M,F02B,F02F,F05C

Abstract:
An overhead camshaft internal combustion engine comprising:an engine housing including a cylinder block casting having an integrally formed cylinder and cylinder head, said cylinder comprising an internal bore;a crankshaft disposed within said engine housing and extending externally thereof;a piston connected to said crankshaft and mounted for reciprocation within said cylinder internal bore;at least one overhead valve for regulating inlet to and exhaust from said cylinder internal bore;a camshaft disposed in said head and driven by said crankshaft, said camshaft comprising at least one cam for operating said at least one overhead valve; anda cast-in valve seat for said at least one overhead valve formed separately from said cylinder block casting and captured in said cylinder head during cylinder block casting formation.