Turbine rotor apparatus and system

摘要

A segmented turbine rotor (28) is disclosed. The segmented turbine rotor (28) has a plurality of rows (52) of a plurality of turbine blades (48). At least one rotor segment (30) of a plurality of rotor segments (30) of the segmented turbine rotor (28) includes a ring (36)(38)(40) disposed circumferentially about and having an axis (57) substantially parallel to a central axis (56) of the rotor (28), the ring (36)(38)(40) defining a cavity (45)(46)(47) disposed at a center thereof and having an outer surface (39) supporting at least one row (52) of the plurality of rows (52) of turbine blades (48).