Patent ID: 9470095
Filing Date: 2016-10-18
CPC Classification: F01D,F02C,F02K,F04D,F05D

Claim Text:
1. An airfoil comprising: an airfoil body defining a longitudinal axis, the airfoil body including a leading edge and a trailing edge and a first side wall and a second side wall that is spaced apart from the first side wall, the first side wall and the second side wall joining the leading edge and the trailing edge and at least partially defining a cavity in the airfoil body; a lattice network connecting the first side wall and the second side wall, the lattice network including at least one enlarged node spaced apart from the first side wall and the second side wall and ribs extending from the at least one enlarged node, each of the ribs connecting to one of the first side wall and the second side wall; and and a free-floating damper member adjacent the lattice network, the lattice network including at least one bearing surface contacting the free-floating damper member.