Patent ID: 6045134
Filing Date: 2000-04-04
Classification: F16J

Abstract:
In a rotary machine having a rotatable component and a component fixed against rotation, said components lying about a common axis, a seal between said components, comprising:an elongated arcuate seal ring segment carried by said stationary component and having an arcuate surface in opposition to the rotatable component;at least one labyrinth seal tooth projecting generally radially from said seal ring segment surface toward said rotating component, said seal ring segment surface having a groove spaced axially from said seal tooth and opening radially inwardly of said segment surface;a brush seal disposed in said groove and including a plurality of bristles and a support for said bristles, said bristles being secured in said support and projecting therefrom beyond said support, said segment surface and in engagement with said rotating component;said seal ring segment including an arcuate recess radially outwardly of said surface and extending in one axial direction, said support having an arcuate axially extending portion received in said recess and preventing radial inward movement of said support relative to said seal ring segment; andsaid seal ring segment and said support having end faces adjacent one another at one end of the seal ring segment, and weld material applied to said end faces to prevent circumferential movement of said support in said groove relative to said seal ring segment.