Cylinder read for water-cooled internal combustion engines manufacturable by the die-casting method

Internal combustion engine

• with a cylinder head producible by the pressure die-casting method with combustion chambers arranged in series, with laterally terminating inlet and outlet ducts controlled by inlet and outlet valves, with bores for cylinder head screws and with several niche-like water spaces being connected to a cooling jacket of a cylinder block, these water spaces being in communication with one another by a lateral longitudinal duct and by transverse ducts, respectively one of these ducts extending between two neighboring combustion chambers and respectively one further duct extending between an inlet valve seat and an outlet valve seat of a combustion chamber wherein the transverse ducts are oriented obliquely to the series of combustion chambers and the bores for cylinder head screws are arranged in pairs at right angles to the series of combustion chambers and intersect without chamfer respectively on opposite sides of the respective transverse ducts, all niche-like water spaces can be formed toward a parting plane between the cylinder head and cylinder block and are arranged essentially all around the combustion chambers, an upper limitation of the longitudinal duct constitutes the highest point of the water spaces as well as of the longitudinal and transverse ducts, and the longitudinal duct has a water drain, and
• with a cylinder head gasket arranged between the cylinder head and the cylinder block,
• this gasket having perforations leading from the water jacket of the cylinder block to the niche-like water spaces,
• and in that the cross sections of the perforations are fashioned to be larger with an increasing distance from the longitudinal duct.