Patent ID: 9151170
Filing Date: 2015-10-06
Classification: F01D,F05D

Abstract:
1. An integrally bladed rotor comprising: a rotor hub that defines a hub face facing one of a forward or rearward direction and a hub rim transverse to said hub face; a multiple of airfoils integral with said hub rim; a split ring damper mounted to said rotor hub and including a portion in contact with said hub face; wherein said rotor hub comprises a hub inner surface facing a longitudinal axis about which said rotor hub rotates and said hub rim being spaced radially outwardly relative to said hub inner surface, and wherein said hub face extends radially inwardly from said hub rim to said hub inner surface; and including a circumferential groove formed within said hub inner surface, and wherein said spilt ring damper includes a first leg mounted within said circumferential groove and a second leg that extends from said first leg to surround a radial lip of said hub inner surface and to contact said hub face.