BRUSH SEAL Russian patent published in 2020 - IPC F16J15/16 

FIELD: machine building.

SUBSTANCE: invention relates to machine building and can be used for compaction of air, gas or oil cavities. Brush seal comprises an annular bracelet-brush installed on the stator, consisting of thin metal wires, and a bushing which is installed on the rotor opposite to the radial brush, wherein bracelet-brush wires are laid in plane perpendicular to rotational axis in radial direction and fixed in annular metal cartridge, and wires forming wire brush are bent in form of evolvent.

EFFECT: technical result consists in provision of reliable sealing of cavities between rotating and fixed elements of structure of various mechanisms operating including in conditions of high temperatures.

3 cl, 3 dwg