Seal arrangement

Details Seal arrangement Seal arrangement

2006-04-04

2006-04-04

Patel, Vishal (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Brush seal

Reexamination Certificate

active

07021631

ABSTRACT:
A brush seal (9) comprising a plurality of bristles packed together in a bristle layer (10). The bristles (10) extend from a first component (4) towards a facing surface of a second component (2). A movable plate (14) is disposed substantially parallel to and adjacent to the bristle layer (10). The plate (14) is movable relative to the bristle layer (10) in a direction parallel to the bristle layer (10). An edge (22) of the movable plate (14) adjacent to and facing the facing surface of the second component (2) is arranged to air ride on the facing surface of the second component (2). To promote the air riding the edge (22) of the movable plate (14) may be accordingly profiled. Alternatively the edge (14) may comprise an enlarged foot member (24) which defines an enlarged surface (26). Furthermore a recess (30) may be defined in the movable plate (14).

REFERENCES:
patent: 5351971 (1994-10-01), Short
patent: 6079945 (2000-06-01), Wolfe et al.
patent: 6565094 (2003-05-01), Wright et al.

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