Patent ID: 6550777
Filing Date: 2003-04-22
Classification: F16J

Abstract:
A packing ring seal for a component that rotates about an axis, comprising:an arcuate packing ring segment having a concave sealing surface, said segment forming a portion of said packing ring seal and including first and second discrete arcuate components in axial face-to-face relation to one another and secured to one another, said first and second components having first and second surfaces along respective said faces thereof, said first and second surfaces defining a slot opening through said sealing surface, said slot opening including an axially extending groove in each of said components; and an arcuate brush seal insert having an arcuate array of bristles disposed between said first and second surfaces, said bristles having tips projecting from said segment along said sealing surface, said brush seal insert including a pair of support strips straddling radial outer ends of the brush seal bristles and at least in part disposed in respective grooves.