ROTOR BRUSH SEALING, METHOD AND DEVICE FOR ITS PRODUCTION Russian patent published in 2014 - IPC F16J15/00 F16J15/16 

FIELD: machine building.

SUBSTANCE: group of inventions relates to seals. Rotor brush sealing is made as a pressing cheek and elements: a ring wire brush and a supporting cheek which are successively connected to it. The device is equipped by a process ring. The pressing cheek is fitted by an end face protrusion serving as a connection element. In the course of manufacturing the supporting cheeks are set on the sides of a mandrel, wire is wound, then the wound wire is swaged by pressing cheeks and cut, afterwards the connected elements are welded and finishing machining is carried out. A metal strip is laid over the outer cylindrical surfaces of the connected elements, its ends are closed in a process ring by argon arc welding and welding of the connected elements is performed by an electron beam through the process ring. The device for rotor brush sealing production comprises a mandrel in the form of rings screwed circumferentially. The device is fitted by centring shells with hubs and the mandrel is set on the said hubs. An intermediate ring is installed between the mandrel rings, and screw fastening of extreme rings is made by means of the intermediate ring.

EFFECT: increased reliability of brush sealing.

4 cl, 4 dwg