Sealing device

Details Sealing device Sealing device

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/54 (2006.01) D21D 5/02 (2006.01)

Patent

CA 2220298

A device for sealing a rotary shaft (17), which is supported in bearings (18, 19) in an air-tight casing (20), which extends into a container (10), in which overpressure is maintained. The device comprises a seal holder (22) attached in the casing (20) with a mechanical shaft seal (21). The casing has openings (23) to render possible access to the side of the shaft seal (21) located in the casing (20). A detachable air-tight cover (24) is provided to close said openings (23) at operation.

La présente invention concerne un dispositif d'étanchéité pour un arbre tournant (17) supporté par des paliers (18, 19) dans une enveloppe étanche à l'air (20) qui s'étend dans une cuve dans laquelle on maintient une surpression. Le dispositif selon l'invention comprend un porte-joint (22) fixé dans l'enveloppe (20) avec un joint d'arbre mécanique (21). L'enveloppe a des ouvertures (23) permettant d'accéder au côté du joint d'arbre (21) situé dans l'enveloppe (20). Un couvercle amovible (24) étanche à l'air permet de fermer les ouvertures (23) pendant la marche.

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