Brush seals

Details Brush seals Brush seals

1979-05-16

1980-05-13

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, F16J 1544

Patent

active

042025540

ABSTRACT:
A brush seal which comprises a plurality of tightly-packed bristles (3) sandwiched in a space between a pair of axially-spaced annular side-plates (1,2). In order to minimize the gaps between the bristles at the outer radius of the seal the cross-sectional area of the space, and/or the bristles is varied, or alternatively the bristles are formed in an involute shape, and the cross-sectional area of the space is constant at all radii.

REFERENCES:
patent: 885032 (1908-04-01), DeFerranti
patent: 3013824 (1961-12-01), Wilson
patent: 3917150 (1975-11-01), Ferguson et al.
patent: 4057971 (1977-11-01), Yamazaki

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