FIELD: machine building.
SUBSTANCE: invention relates to brush seals. Brush seal has a brush housing having a back plate and a front plate, a first layer of bristles disposed adjacent to back plate, where at least one of first layer of bristles has a first diameter. Second layer of bristles are disposed adjacent to first layer of bristles, and at least one of second layer of bristles has a second diameter. Third layer of bristles are disposed adjacent to second layer of bristles, and at least one of third layer of bristles has a third diameter. First diameter and third diameter are larger than second diameter.
EFFECT: higher reliability.
13 cl, 8 dwg
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