HIGH STIFFNESS TURBOMACHINE IMPELLER, TURBOMACHINE INCLUDING SAID IMPELLER AND METHOD OF MANUFACTURING

摘要

A turbomachine impeller(1)is disclosed, which comprises:a hub (3) having a rotation axis(A-A);a shroud(13);a plurality of blades(5; 5A, 5B)between the hub (3) and the shroud(13);and a plurality of flow vanes(11), each flow vane being defined between the hub(3), the shroud (13) and neighboring blades(5; 5A, 5B), each flow vane having a flow vane inlet and a flow vane outlet. Each flow vane (11) extends radially inwardly from the flow vane inlet towards a radially innermost flow vane sec- tion, and from the radially innermost flow vane section to a flow vane outlet.