| 摘要 |
A brush seal, brush seal segment, and brush seal backplate for use in a rotary device are provided. In one embodiment, the invention provides a brush seal comprising: a plurality of brush seal segments (130), each segment including: an arcuate fence (140); an arcuate backplate (150) circumferentially coextensive with the arcuate fence (140), the arcuate backplate including: a plurality of circumferentially-oriented cavities (160, 162, 164); a first dam (180) along a first end (152) of the arcuate backplate (150), the first dam (180) substantially closing an end of at least one of the plurality of circumferentially-oriented cavities (160, 162, 164); and a second dam (182) along a second end (154) of the arcuate backplate (150), the second dam (182) substantially closing an end of at least one of the plurality of circumferentially-oriented cavities (160, 162, 164); a plurality of brush bristles (170) between the arcuate backplate (150) and the arcuate fence (140); and a static member (20) to which at least one of the plurality of brush seal segments (130) is affixed.
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