Patent ID: 8757981
Filing Date: 2014-06-24
Classification: F01D

Abstract:
1. A locking spacer assembly for filling a void in a turbine component having lateral recesses, comprising: a radially outward support having an outer surface, a forward sloped inner face, an aft sloped inner face and an inwardly extending spacer protrusion, wherein the radially outward support includes at least one locking orifice extending therethrough and wherein the radially outward support is configured to engage radially outward facing surfaces on a disc; a radially inward support having an outer surface with a forward disc receiving recess and an aft receiving recess for receiving a portion of a disc arm, wherein the radially inward support includes at least one locking orifice extending therethrough; a locking device extending through the at least one locking orifice in the radially outward support and extending at least partially into the at least one locking orifice in the radially inward support; and wherein the locking device is a bolt having at least one recess in an outer side surface of a bolt head on the bolt and wherein the locking device includes at least one washer having a generally linear surface with at least one protruding side wall extending radially in a first direction, wherein the at least one protruding side wall includes an inward protruding stop that rests with the at least one recess in the outer side surface of the bolt head, wherein the at least one washer includes a stop arm extending radially from the generally linear surface in a direction generally away from the at least one protruding side wall, and wherein the stop arm rests within a slot in the radially outward support, which prevent the at least one washer and at least one bolt from being accidentally loosened.