Patent Number: 6,293,554

Title: Brush seal segment having bristle damping

Abstract: A brush seal segment useful, when circumferentially arrayed with other such segments, to seal the gap between a rotor and a surrounding casing of a rotary machine such as a gas or steam turbine. Brush-seal bristles are positioned between a brush-seal back plate and a brush-seal front plate with the free end of each bristle extending beyond the edges of the plates. The front plate has a portion extending to the edge of the front plate with the portion spaced apart from the bristles. In one example, the portion has an array of through holes. In another example, the portion has a ledge projecting generally away from the bristles.

Inventors: Dinc; Osman Saim (Troy, NY), Dogu; Yahya (Yahsihan-Kirikkale, TR), Battle; Michael Eugene (Forest Park, OH), Albers; Robert Joseph (Park Hills, KY), Proctor; Robert (West Chester, OH)

Assignee: General Electric Company

International Classification: F16J 15/32 (20060101); F16J 015/447 ()

Expiration Date: 09/25/2018