Patent ID: 8632075
Filing Date: 2014-01-21
Classification: F01D,F05D

Abstract:
1. A seal assembly comprising: an inner static barrel; a mounting structure, comprising a first plate having an inner end and an outer end, the inner end radially inwardly oriented toward an engine axis of rotation, the outer end oriented radially outwardly toward a stator, the first plate having a first face and a second face, the first face extending radially outwardly from an inner diameter of the mounting structure and the second face extending radially inwardly from an outer diameter of the mounting structure, the mounting structure further comprising a second plate having a third face and a fourth face, the fourth face coupled to the inner static barrel in a turbine; and a brush seal member disposed between the first plate and the second plate, the brush seal member in contact with the second face of the first plate and with the third face of the second plate, wherein the brush seal member comprises a first end that is in sealing contact with a rotor and a second end in sealing contact with the stator and wherein the brush seal member comprises a plurality of bristles, wherein the first plate includes a first recess in the second face located radially inward of the outer end and proximate the inner end to allow movement of the first end of the brush seal member in a first direction and the second plate includes a second recess in the third face, the second recess located radially outward of the inner end and proximate the outer end to allow movement of the second end of the brush seal member in a second direction, wherein the first direction is opposite of the second direction.