COMPRESSOR IMPELLER WITH HOLLOW HUB AND RIBS PROLONGATING THE BLADES INSIDE THE HUB, AND METHOD FOR MANUFACTURING SUCH AN IMPELLER

摘要

An impeller includes a central, shaft or a tube for mounting on a shaft, a hollow hub is located around the shaft or tube, and a series of blades are attached to the outside of the hub by their bases. A reinforcing rib is provided for each blade, and extends on the shaft or tube in a radial direction and forms a facial connection between the shaft or tube and the inside of the hub at a position opposite the attachment of the base of a blade concerned