Brush seal device
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United States of America Patent
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Jan 12, 2016
Grant Date -
Dec 3, 2015
app pub date -
Feb 6, 2014
filing date -
Feb 6, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is to provide a brush seal device capable of following displacement in a radial direction of a rotational shaft appropriately. The brush seal device prevents leakage of process fluid, wear of a brush seal etc., and leakage of process fluid from an outer circumferential side. The brush seal device 100 of the present invention includes an inner circumferential brush seal 120 and an outer circumferential brush seal 140. The inner circumferential brush seal 120 has a brush portion 123 and a free end portion 125 at the inner circumferential side. The outer circumferential brush seal 140 is placed at an outer circumferential side of the inner circumferential brush seal 120, and has a brush portion 143 and a free end portion 145 at the inner circumferential side.
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