Patent ID: 8894286

Claim:
A damper film bearing assembly for supporting a rotatable shaft, the damper film bearing assembly comprising: an outermost bearing case having outer and inner surfaces; a rotatable shaft; a plurality of bearing tilting pads disposed circumferentially about the rotatable shaft and radially spaced apart from the rotatable shaft so as to create a circumferential space therebetween for receiving bearing oil; a bearing housing disposed circumferentially about the rotatable shaft and intermediate between the bearing case and the tilting pads, and radially spaced apart from the bearing case so as to create a circumferential space therebetween for receiving damper oil; at least one radial recess provided in an outer diameter surface of bearing housing intermediate between the inner surface of the bearing case and the bearing housing; and at least one centering device disposed within the recess in the bearing housing, the at least one centering device being intermediate between two O-rings, wherein the at least one centering device provides centering load bearing support to the rotatable shaft.