Patent ID: 6883472
Filing Date: 2005-04-26
Classification: F01P,F02F

Abstract:
1. Cylinder head for a water-cooled multi-cylinder internal-combustion engine having two intake valves and outlet valves per cylinder, a cylinder head cooling chamber with inflow and outflow openings for the coolant, and a receiving opening for a spark plug, which receiving opening is arranged centrally relative to the cylinder head cooling chamber of a cylinder, wherein on an inflow side in the cylinder head cooling chamber, a main cooling flow runs between the two outlet valves in a direction of the receiving opening for the spark plug, while two secondary cooling flows are provided at two edge areas of the inflow side, and wherein at the level of the receiving opening for the spark plug, two guiding ribs are provided laterally of the opening, whose cross-sections have different sizes for generating a transverse flow.