US 11,719,163 B2
Brush seal comprising at least two groups of bristles
Kévin Nicolas, Moissy-Cramayel (FR); and Laurent Schweitzer, Moissy-Cramayel (FR)
Assigned to SAFRAN AIRCRAFT ENGINES, Paris (FR)
Filed by SAFRAN AIRCRAFT ENGINES, Paris (FR)
Filed on Nov. 25, 2019, as Appl. No. 16/694,919.
Claims priority of application No. 1871938 (FR), filed on Nov. 27, 2018.
Prior Publication US 2020/0165977 A1, May 28, 2020
Int. Cl. F02C 7/28 (2006.01); F04D 29/10 (2006.01)
CPC F02C 7/28 (2013.01) [F04D 29/10 (2013.01); F05D 2220/32 (2013.01); F05D 2240/56 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A brush seal for a rotating machine, intended to be disposed between a first part and a second part of the rotating machine, the first and second parts being movable relative to each other about an axis, extending along an axial direction, the brush seal comprising a body intended be attached to the first part, and a brush attached to the body, intended to be in contact with the second part, wherein the brush comprises at least a first group of bristles and a second group of bristles, wherein the bristles of the first group of bristles are configured to repel the particles of oil dispersed in air, and the bristles of the second group of bristles are configured to trap the particles of oil dispersed in air, wherein rows of bristles of the first group of bristles and rows of bristles of the second group of bristles are disposed alternately with a repeated pattern.