Patent ID: 7905468

Claim:
A lightweight combustion engine valve comprising: a metallic valve stem including a valve stem end face; a hollow valve cone having a region of greater diameter; and a metallic valve disk, the valve cone and the valve disk together forming a hollow space, the valve disk having a flat side facing the hollow space supporting a gripping receiver, the gripping receiver gripping an end portion of the valve stem and the valve stem end face resting against the flat side, the valve disk having a recess defined therein that has an edge region including an edge step for supporting the valve cone; wherein the gripping receiver is formed by reinforcing ribs on the valve disk, each of the reinforcing ribs including an end face facing a center of the valve disk center and an upper face supporting an inner wall of the valve cone, each end face forming a separate wall portion, the wall portions together gripping an outer circumference of the valve stem, the region of greater diameter of the valve cone engaging in the recess of the valve disk, the valve cone being welded together with the valve stem and being welded together with the valve disk in the recess; wherein a height of each of the reinforcing ribs increases in a direction toward a center of the valve disk and a width of each of the reinforcing ribs decreases in the direction toward the center of the valve disk.