Centrifugal compressor wheel and its mounting on a shaft.

摘要

A centrifugal compressor apparatus including a bearing housing rotatably receiving a shaft having an externally threaded end, a cover mounted to the bearing housing to define an impeller chamber, an impeller received within the chamber, the impeller including a hub which is solid in the area of the blades and having a boss extending therefrom which includes an internally-threaded bore within which the threaded end of the shaft is received.