Patent ID: 9004871
Filing Date: 2015-04-14
Classification: F01D,F16B,Y10T

Abstract:
1. A stacked wheel assembly for a turbine system comprising: a plurality of wheels configured to rotate about a central axis, wherein the plurality of wheels form at least a portion of a rotor; a stud including a forward end having a circumferential surface with at least one relatively planar portion and a first groove extending circumferentially around at least a portion of the circumferential surface, wherein the stud extends through the plurality of wheels for retaining the plurality of wheels relative to each other; a first nut disposed proximate a forward face of one of the plurality of wheels and configured to receive the forward end of the stud; a resilient arcuate member configured to fittingly reside within the first groove of the stud; and a lock plate having at least one slotted region disposed proximate an outer surface of the lock plate configured to fittingly engage at least one lug disposed on a forward region of the first nut for rotationally retaining the stud and a second groove disposed within an inner surface of the lock plate configured to receive the resilient arcuate member for axially retaining the lock plate relative to the stud.