Turbo rotor and manufacturing method of turbo rotor

Abstract

A turbo rotor includes a turbine wheel, a connection element and a rotor shaft. The turbine wheel has a plurality of blades, wherein a cavity is formed at a bottom of the turbine wheel, and at least one fixing structure is formed in the cavity. The connection element is accommodated in the cavity. The connection element includes a main body and at least one engaging structure formed on the main body, wherein the at least one engaging structure is engaged with the at least one fixing structure for preventing the connection element from moving along or rotating around a rotational axis of the turbo rotor relative to the turbine wheel. The rotor shaft is connected to the main body for supporting the turbine wheel.

Dependencies are inferred from the claim text.