Patent ID: 9464531
Filing Date: 2016-10-11
CPC Classification: F01D

Claim Text:
1. A locking spacer assembly for insertion into a circumferential attachment slot between platforms of adjacent rotor blades, comprising: a first end piece configured to fit into a space between platforms of the adjacent rotor blades, the first end piece comprising an outer surface, an inner surface, and a first plane, the first end piece defining a first recessed portion extending radially outward from the inner surface and a first locating channel extending radially outward from the inner surface, the outer surface having a profile adapted to project into the attachment slot, and wherein the first plane extends radially inward from the inner surface of the first end piece and is positioned laterally between the first recessed portion and the first locating channel; a second end piece configured to fit into the space between the platforms, the second end piece comprising an outer surface, an inner surface, and a second plane, the second end piece defining a second recessed portion extending radially outward from the inner surface and a second locating channel extending outward from the inner surface, the outer surface having a profile adapted to project into the attachment slot, wherein the inner surfaces of the first and second end pieces generally face each other, and wherein the second plane extends radially inward from the inner surface of the second end piece and is positioned laterally between the second recessed portion and the second locating channel; and an actuator movable between the inner surfaces, the actuator comprising a projection configured to engage the inner surfaces, the actuator further comprising a plurality of locating protrusions extending from the projection, the locating protrusions configured to fit within the first locating channel and the second locating channel.