Turbomachine with a rotor comprising at least one drilled disc

摘要

The turbomachine has a rotor mounted to rotate around a rotational axis (3) and which has at least one rotor disc (14) with an axially extending bore (15) which in the axial direction is at least partially crowned with the large diameter in the center section. The turbomachine may be a turbine, a compressor, a gas turbine, or a steam turbine. Independent claims are also included for the following: (A) a rotor for a turbomachine; (B) a rotor disc for the rotor of a turbomachine; and (C) a device in which a bore is provided centrally and/or de-centrally.