Patent ID: 6784597
Filing Date: 2004-08-31
Classification: F01D,F16B

Abstract:
A stacked wheel assembly for the rotor of a rotary machine comprising:a plurality of stacked wheels for rotation about a common axis and forming part of the rotor; and a plurality of elongated tie bolts passing through aligned bolt holes of said stacked wheels for retaining the wheels in axially stacked relation, said plurality of tie bolts being spaced from one another circumferentially of the rotor; at least one of said tie bolts comprising a stud having a locking nut at least one of mounted to and defined at one longitudinal end thereof, said locking nut comprising at least one tab component projecting radially therefrom, wherein an end face of said plurality of stacked wheels includes a receptacle for receiving said locking nut and said at least one tab component.