Fan wheel

The invention relates to a fan wheel, in particular for propelling cooling air for an internal combustion engine, comprising a hub (2) on which a plurality of fan blades (3, 6, 9, 12) is arranged and which includes a rib structure that extends peripherally and consists of substantially rectangular and flat ribs (5, 8, 11, 14) having an edge region; said ribs sit on the hub by the edge regions thereof and have a longitudinal direction that extends substantially tangentially to the circumferential direction of the hub (2), the ribs being in contact with one another. 本发明涉及种风扇叶轮，特别是用于内燃机的用于输送冷却空气的风扇叶轮，该风扇叶轮包括轮毂(2)，在所述轮毂上设有多个风扇叶片(3、6、9、12)，并且所述轮毂(2)具有筋板结构，其中，所述筋板结构被设计成周向延伸并且由多个大致呈矩形的且平坦的、具有边缘区域的筋板(5、8、11、14)构成，这些筋板以它们的边缘区域安置在所述轮毂(2)上，并且定向为它们的纵向延伸方向与所述轮毂(2)的周向方向基本相切，其中，这些筋板相互接触。