Patent ID: 8523529
Filing Date: 2013-09-03
Classification: F01D,F04D,F05B,F05D

Abstract:
1. A locking spacer assembly for insertion into a circumferential attachment slot between platforms of adjacent airfoils, comprising: a first end piece configured to fit into a space between platforms of adjacent airfoils, said first end piece comprising an outer surface and an inner surface, said outer surface having a profile adapted to project into an attachment slot; a second end piece configured to fit into a space between said platforms, said second end piece comprising an outer surface and an inner surface, said outer surface having a profile adapted to project into said attachment slot, wherein said inner surfaces of said first and second end pieces generally face each other; an actuator movable between said inner surfaces, said actuator including a projection configured to engage said first and second end pieces at projection locations located along a radially inner portion of said inner surfaces of said first and second end pieces; a spacer block configured to be inserted between said inner surfaces, said spacer block defining a cavity configured to receive said actuator; a fastener configured to secure said spacer block to said actuator; and wherein said actuator engages said inner surfaces such that said first and second end pieces move toward each other at said projection locations and lock said assembly within said attachment slot.