Patent ID: 9347333
Filing Date: 2016-05-24
CPC Classification: F01D,F02C,F05D,F16J

Claim Text:
1. A brush ring seal device for installation within a packing case of a turbine, the brush ring seal device comprising: a brush seal carrier having a substantially ring-shaped body having an axis of rotation consisting of two ring segments divided by a plane including the axis of rotation of the ring-shaped body, said brush seal carrier having a front axial face, a rear axial face, an inner circumferential groove, and an outer circumferential groove, said grooves being between the front and rear axial faces; a brush seal mounted within the inner circumferential groove of the brush seal carrier wherein the brush seal is manufactured as two half ring segments; and a ring-shaped spring mounted within the outer circumferential groove of the brush seal carrier, wherein the rear axial face of the brush seal carrier is coated with an anti-friction coating comprised of tungsten disulfide or molybdenum disulfide, thereby allowing movement of the brush ring seal device within the packing case, and wherein the two half segments of the brush seal carrier form a pair of axial slots at a joint thereof when coupled together, there being support tabs positioned within the axial slots at the joint of the two half ring segments, said tabs having holes therein for receiving the ring-shaped spring.