Low torque seal assembly

Details Low torque seal assembly Low torque seal assembly

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/44 (2006.01) F16C 33/10 (2006.01) F16C 33/76 (2006.01) F16C 33/78 (2006.01) F16C 33/80 (2006.01) F16J 15/32 (2006.01) F16J 15/43 (2006.01) F16J 15/447 (2006.01)

Patent

CA 2482020

A unitized seal assembly (100) for use with roller or ball bearing assemblies is disclosed. The unitized seal (100) assembly includes, among other things, a radially outer ring (60) and a radially inner deflector ring (70). The outer ring (60) includes a first shield element (64) which defines a first sealing face (66). The radially inner deflector ring (70) includes a second shield element (74) which defines a second sealing face (78). The second sealing face (78) is dimensioned and configured so as to correspond to the first sealing face (66) such that when the first shield element (64) is positioned in a non- contacting proximity to the second shield element (74), a circuitous sealing labyrinth is formed between the first sealing face (66) and the second sealing face (78).

L'invention concerne un joint monobloc utilisé avec des ensembles de roulement à billes ou à rouleaux. L'ensemble joint monobloc comprend notamment un anneau radialement externe et un anneau déflecteur radialement interne. L'anneau externe comprend un premier élément de protection qui définit une première face d'étanchéité. L'anneau déflecteur radialement interne comprend un second élément de protection qui définit une seconde face de protection. La seconde face d'étanchéité est dimensionnée et configurée de façon à correspondre à la première face d'étanchéité de sorte que, lorsque le premier élément de protection est positionné à proximité sans contact du second élément de protection, un labyrinthe d'étanchéité indirect est formé entre la première face d'étanchéité et la seconde face d'étanchéité.

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