Sealing of turbine engine enclosures produced by brush seal and labyrinth
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Dec 3, 2013
filing date -
Dec 5, 2012
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Abstract
A sealing device for an enclosure of a turbine engine formed by an assembly of juxtaposed rotating and/or static bodies is provided. The sealing device includes at least one brush seal having a brush body, carried by at least one first member, and bristles extending from the brush body and arranged so as to rub against at least one second member rotatable relative to the first member, so as to produce a pressure difference between the inside of said enclosure and its outer environment. The device further includes a labyrinth-type seal, the labyrinth being positioned in series with the brush seal between the inside of the enclosure and its outer environment.
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