Patent ID: 6158408
Filing Date: 2000-12-12
Classification: F01M,F02B,F02F

Abstract:
A cast cylinder head having a plurality of cylinder portions for a multi-cylinder internal combustion engine with each cylinder portion comprising:a central bore for receiving an injection nozzle or a spark plug;gas changing channels extending from a deck face of said cast cylinder head and emerging from side faces of said cast cylinder head;valve guide bores directed towards the ends of the gas changing channels in the deck face of said cast cylinder head;recesses for hydraulic cup tappets, said recesses arranged co-axially relative to the valve guide bores;bearing cradles for receiving at least one cam shaft;a longitudinal oil channel formed in said cast cylinder head during casting, said longitudinal oil channels extending along each of the cylinder portions, said longitudinal oil channel serving to supply pressurized oil to at least one of hydraulic cup tappets and camshaft bearing regions; andsaid longitudinal oil channel enclosing each of said central bores for the injection nozzles or spark plugs with annular branching channels.