Stuffing box for rotating rod

F - Mech Eng,Light,Heat,Weapons – 16 – J

Patent

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Details

F16J 15/18 (2006.01)

Patent

CA 2568921

A stuffing box for a rotating rod includes a stationary housing and a tubular rotating inner housing. The stationary outer housing has an upper end, a lower end, an exterior surface and an inner surface defining an interior cavity. The inner housing is positioned within the interior cavity of the outer housing. The inner housing has an upper end, a lower end, an exterior surface and an inner surface defining an interior bore adapted to accommodate a rod. Bearings are disposed between the outer housing and the inner housing to facilitate rotation of the inner housing. An inner seal assembly provides a seal that prevents the migration of fluids between the inner housing and the rod. An outer seal assembly provides a seal that prevents the migration of fluids between the inner housing and the outer housing.

Boîte à garniture pour tige rotative comprenant un logement stationnaire et un logement intérieur rotatif. Le logement stationnaire comporte une extrémité supérieure, une extrémité inférieure, une surface extérieure et une surface intérieure formant une cavité intérieure. Le logement intérieur est placé dans la cavité intérieure du logement extérieur. Le logement intérieur comporte une extrémité supérieure, une extrémité inférieure, une surface extérieure et une surface intérieure qui forme un alésage intérieur adapté pour recevoir une tige. Des roulements sont placés entre le logement extérieur et le logement intérieur, afin de faciliter la rotation du logement intérieur. Un joint d'étanchéité intérieur assurer une étanchéité qui empêche la migration de fluides entre le logement intérieur et la tige. Un joint d'étanchéité extérieure empêche la migration de fluides entre le logement intérieur et le logement extérieur.

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