BRUSH SEAL Russian patent published in 2015 - IPC F01D11/00 F16J15/32 

FIELD: machine building.

SUBSTANCE: brush seal passing in circumferential direction, located between fixed and rotating components of the machinery, and during the machinery operation having area of elevated pressure at inlet side and area of reduced pressure at outlet side, contains bristles creating bristle blocks, pressing plate and pad for bristles block. The bristles block is located on the fixed component and in cantilever fashion projects towards the rotating component. The pressing plate is installed at the outlet side of the bristles block and on the fixed component. The bristles block pad is installed between the bristles block and pressing pad, and on the fixed component. The pad has slots passing in radial direction and with spacing in circumferential direction, the slots exit to opposite sides of the specified pad, and are located at its internal and external circumferential edges.

EFFECT: invention simplifies production of the brush seal, and excludes bristles damage.

11 cl, 14 dwg