Brush seal secured by a C-shaped clamping ring

Details Brush seal secured by a C-shaped clamping ring Brush seal secured by a C-shaped clamping ring

1996-12-17

1998-08-18

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277184, F16J 15447

Patent

active

057949387

ABSTRACT:
A brush seal for sealing a gap between two spaces at different pressures on opposite sides of a rotor and a stator. The brush seal is formed as a plurality of bristles and the bristles are mounted in the stator to project radially therefrom, across said gap, to contact the rotor. A clamping ring clamps a stack of the bristles around an annular core in U-shaped fashion with legs of the bristles extending through an annular slot towards the rotor. The clamping ring includes a C-shaped section which clamps the bristles against the core and reverse bend portions at opposite ends of the C-shaped section. The reverse bend portions are axially spaced from one another and form the annular slot through which the legs of the bristles extend.

REFERENCES:
patent: 885032 (1908-04-01), Ferranti
patent: 4159828 (1979-07-01), Ostling et al.
patent: 4779904 (1988-10-01), Rich
patent: 4781388 (1988-11-01), Wohrl et al.
patent: 4989886 (1991-02-01), Rulis
patent: 5066024 (1991-11-01), Reisinger et al.
patent: 5316318 (1994-05-01), Veau

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