Brush-hair seal

Details Brush-hair seal Brush-hair seal

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/32 (2006.01) F01D 11/00 (2006.01) F02C 7/28 (2006.01)

Patent

CA 2290552

The invention relates to a brush-hair seal for sealing a rotor against an enclosure having a bore for the rotor to extend therethrough and comprising a front plate and a bearing plate affixed thereto. A multitude of brush hair is maintained between the front plate and the bearing plate in such a way that the hair free ends emerge above an inner edge of the bearing plate, thus touching a rotor surface. The bearing plate inner edge is not very far from the surface, and the bearing plate prevents said hair from completely bending back. Said bearing plate (8) is designed in such a way that the hair (9) must take their bearing by their free ends (21) on a bearing segment (20), while the resting length extends at a distance from the bearing plate (8).

La présente invention porte sur un joint-brosse conçu pour étanchéifier un rotor contre une enceinte présentant une perforation au travers de laquelle s'étend ledit rotor et comprenant une plaque frontale et une plaque d'appui appliquées contre ladite enceinte et entre lesquelles une multitude de poils de brosserie est maintenue de telle manière qu'ils émergent par leurs extrémités dégagées au dessus d'un bordure interne de la plaque d'appui, touchant ainsi une surface du rotor. La bordure interne de la plaque d'appui est peu éloignée de la surface, et la plaque d'appui empêche les poils de se courber totalement. Ladite plaque d'appui (8) est conçue de telle manière que les poils (9) doivent prendre appui par leurs parties dégagées (21) sur une section d'appui (20) et s'étendre à distance de la plaque d'appui (8) sur leur longueur restante.

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