Self centering, floating brush seal assembly

Details Self centering, floating brush seal assembly Self centering, floating brush seal assembly

2005-12-12

2008-12-09

Patel, Vishal (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Brush seal

C415S231000

Reexamination Certificate

active

07461847

ABSTRACT:
A self centering, floating brush seal assembly for a machine housing including a seal channel disposed circumferentially about a rotating shaft. The seal channel is typically configured to accommodate a ring seal. The ring seal is removed and a radially floating brush seal is installed in the seal channel but the brush seal is not fixed to the machine housing. The typical brush seal includes a front plate, a back plate, and a plurality of bristles sandwiched between the front plate and the back plate and having free radially extending ends disposed circumferentially about and contacting the rotating shaft. A radially extending rub feature is associated with at least one of the front plate and the back plate. The rub feature is disposed circumferentially about and contacts the rotating shaft.

REFERENCES:
patent: 5351971 (1994-10-01), Short
patent: 5474305 (1995-12-01), Flower
patent: 5752805 (1998-05-01), Gail et al.
patent: 5997004 (1999-12-01), Braun et al.
patent: 6168162 (2001-01-01), Reluzco et al.
patent: 6254344 (2001-07-01), Wright et al.
patent: 6416057 (2002-07-01), Adams et al.
patent: 6799766 (2004-10-01), Crudgington et al.

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