BRUSH SEAL Russian patent published in 2015 - IPC F16J15/16 

FIELD: machine building.

SUBSTANCE: brush seal contains a ring bunch of the brushes located in a clearance between the shaft and the housing turbine machine and one of its ends is rigidly fixed in the housing of brushes. The seal is fitted with a split ring element and thrust ring, meanwhile the surface of the ring bunch of brushes is designed conic with reference to the shaft rotation axis. The housing of brushes is installed on the turbine machine shaft and is rigidly fixed on it. The thrust ring is installed on the shaft turbine machine from the side of an sharp angle formed by the rotation axis of the turbine machine shaft and ring bunch of brushes, and it contacts with the housing of brushes on face surfaces. The split ring element is installed between a thrust ring and ring bunch of brushes and contacts by one of ends with an end of the thrust ring, and by another end which is made conic - with a surface of the ring bunch of brushes.

EFFECT: improvement of wear resistance and reliability of brush seal.

2 cl, 1 dwg