Patent ID: 8562301
Filing Date: 2013-10-22
Classification: F01D,Y10T

Abstract:
1. A turbine blade assembly comprising: a turbine blade including a root section and an airfoil; said root section including a radially extending groove and flange; a retainer element including a flange, with said groove positioned in said flange to hold said retainer element and said turbine blade together, and said retainer element including axial ends which extend radially to secure said turbine blade and said retainer element assembled within a disk slot in a turbine rotor disk; said groove extends into said root section of said blade; a channel formed in a radially innermost end of said root section, said channel receiving a body portion of said retainer element; said root section including two axial ends, and said channel extends between said two axial ends of said root section; and said retainer element including a first end which is formed to extend radially inwardly, and a second end which is deformed radially inwardly after said assembly is positioned within a disk slot.