Seal arrangement

Details Seal arrangement Seal arrangement

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 15/40 (2006.01) F16L 55/46 (2006.01)

Patent

CA 2375309

A running fluid seal arrangement (10) includes a passage for receiving cable (12) with chambers (20,21 and 22). Water at a higher pressure than gas in main (11) is pumped via pump (26) into chamber (21) from a reservoir (27). A mixture of gas and water from the interface in the region of chamber (20) is passed to a sealed pressure vessel (28). Water therefrom can pass back to reservoir via float valve (29). Wiper seals (30,36 and 37) can also be provided.

L'invention concerne un dispositif d'étanchéité (10) de fluide en circulation, comprenant un passage destiné à recevoir un câble (12), pourvu de chambres (20,21 et 22). L'eau se trouvant sous une pression plus élevée que le gaz dans le conduit principal (11) est pompée d'un réservoir (27), au moyen d'une pompe (26), pour être transférée dans la chambre (21). Un mélange de gaz et d'eau de l'interface de la zone de la chambre (20) passe dans un récipient sous pression (28). L'eau en provenant peut repasser dans le réservoir par une soupape à flotteur (29). L'invention peut également comprendre des joints racleurs (30, 36 et 37).

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