Floating brush seal
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United States of America Patent
Stats
-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Apr 28, 1999
filing date -
Apr 28, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal assembly which cooperates between relatively rotatable members for creating a sealing relationship between areas of high and low pressures. The assembly includes a face seal arrangement nonrotatably associated with one of the relatively rotatable members, which face seal arrangement defines thereon a pair of annular sealing faces, and an annular brush having a plurality of bristles disposed in an annular array. The brush bristles are mounted on the holder such that free ends thereof are in sealing contact with the other member to form a first seal between the areas of high and low pressures, whereby the brush is rotatable along with the other member to minimize wear thereto. The brush defines thereon a pair of annular sealing faces which are disposed in axially adjacent and opposed face-to-face relation with the respective sealing faces of the face seal arrangement to form a second seal between the areas of high and low pressures.
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