Patent ID: 9745856
Date: 2017-08-29
CPC Classifications: F01D,F05D,Y02T,Y10T

Claim:
1. An apparatus comprising: a disk having at least a first airfoil slot and a second airfoil slot; a first ceramic matrix composite airfoil coupled to the disk and mounted within the first slot; a second ceramic matrix composite airfoil coupled to the disk and mounted within the second slot; a platform disposed between the first airfoil and the second airfoil; the platform comprising a first axial extension and a second axial extension, and further comprising a first radial extension and a second radial extension; the first axial extension extending adjacent to the first airfoil and extending axially fore and aft of the first airfoil; the second axial extension extending adjacent to the second airfoil and extending axially fore and aft of the second airfoil; the first radial extension extending radially into and conforming to the first slot; the second radial extension extending radially into and conforming to the second slot; and further comprising a first groove disposed between the first axial extension and the first radial extension, wherein the first groove houses a first sealing dynamic damper.