Impeller and method for manufacturing such an impeller

Impeller comprising: a central, shaft or a tube (2) for mounting on a shaft; around the shaft or tube (2) f a hollow hub with an outside (9) and an inside (14) oriented towards the shaft or tubs (2); a series of blades (11) that are attached to the outside (9) of the hob (5) fey their teases (12), characterised in that for each blade (11), or for at least a number of these blades (11), a reinforcing rib (13) is provided that extends on the shaft or tube (2) in a radial direction and forms a facial connection between the shaft or tube (2) and the inside (14) of the hub (5) at a position opposite the attachment of the base (12) of a blade (11) concerned. 叶轮，包括：-用于安装在轴上的中心轴或管(2)；-围绕中心轴或管(2)的中空轮毂，具有外侧(9)和朝向中心轴或管(2)定向的内侧(14)；-系列叶片(11)，其通过它们的基部(12)附接到轮毂(5)的外侧(9)，其特征在于为每个叶片(11)或者为这些叶片(11)中的至少数个叶片设置加强肋(13)，加强肋在径向方向上在中心轴或管(2)上延伸并且在与相关叶片(11)的基部(12)的附接部的相对的位置处在中心轴或管(2)与轮毂(5)的内侧(14)之间形成径向连接。