Cylinder head for an internal combustion engine

摘要

The invention relates to a cylinder head for an internal combustion engine, especially in motor vehicles, with at least one inlet port for the inlet and exhaust, which is controlled by an inlet valve, the valve seat ring and, where necessary, a section of the inlet port at least to the valve head - valve stem transition being designed so as to be as far as possible thermally insulated from the remainder of the cylinder head in order to obtain a simple and efficient mixture preparation in the cold running range.