Spa with double sealed pump

Details Spa with double sealed pump Spa with double sealed pump

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/10 (2006.01) A61H 33/00 (2006.01) E04H 4/00 (2006.01) F04D 29/12 (2006.01) F16J 15/34 (2006.01)

Patent

CA 2415400

A water pool apparatus (12), such as a portable spa, pool, hot tub or recirculating bath tub having a double seal configuration. The water pool apparatus (12) has a water recirculation system (16) which includes a centrifugal pump (20). The centrifugal pump (20) has a double seal which includes a seal housing (32) and a pair of spaced-apart seals (40, 56). The seal housing (32) defines an enclosed reservoir (38). By the invention, any liquids which are successful in leaking past the first seal are trapped within the reservoir chamber (38). As the reservoir chamber (38) accumulates liquid, the liquid can be recycled back into the water recirculation system (16) by a drain conduit (68) running between the reservoir chamber (38) and the suction side (22) of the pump (20).

L'invention concerne un bassin portable (12), tel qu'une cuve à remous, une mini-piscine, une cuve thermale ou une baignoire de balnéothérapie, comprenant un agencement de joint double. Ce bassin (12) comprend un système de recirculation d'eau (16) équipé d'une pompe centrifuge (20), laquelle comporte un joint double comprenant un logement de joint (32) ainsi qu'une paire de joints espacés l'un de l'autre (40, 56), ce logement (32) définissant un réservoir fermé (38). Grâce à l'invention, tout liquide réussissant à s'échapper au-delà du premier joint est piégé dans la chambre réservoir (38). Au fur et à mesure que cette chambre réservoir (38) accumule du liquide, ce liquide peut être recyclé en retour dans le système de recirculation d'eau (16) au moyen d'un conduit d'évacuation (68) courant entre la chambre réservoir (38) et le côté d'aspiration (22) de la pompe (20).

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