Patent ID: 9009879
Filing Date: 2015-04-21
Classification: A61H

Abstract:
1. An air management system for an insulated spa cabinet, the cabinet comprising a water containment vessel fit thereto for forming a contained air space therebetween, the air management system comprising: an air passageway extending between an inlet in the air space and a discharge to an exterior of the cabinet, the passageway comprising a U-trap having a first plenum extending downwardly from the discharge to a sump, and a second plenum extending upwardly from the sump to the inlet at an upper portion of the air space; an air mover between the air space and the exterior of the cabinet; and a sensor connected to the air space for detecting air temperature in the air space, wherein, normally air is trapped in the passageway and in the air space, and when the air temperature is above a set temperature threshold the air mover is operated to direct air from the air space through the passageway from the inlet to the discharge.