Patent ID: 6797164
Filing Date: 2004-09-28
Classification: B01D,C02F,E04H

Abstract:
A filtering system for a spa or pool, comprising;a closed filtering tank that includes a cylinder which extends upwardly from a manifold having an outlet passage and an inlet passage; a pump having a suction side and a discharge side; a filter body in the filtering tank that includes a vertically extending cylinder having a water inlet opening at its upper end and a water discharge orifice at its lower end, the sides of such cylinder being formed with auxiliary water inlet openings; a filter bag having a cylindrical sheath which extends upwardly from the lower end of the filter body to the upper end of such filter body, the sheath encompassing the exterior of the filter body, such filter bag also being formed with a pocket that extends concentrically downwardly from the upper end of the sheath downwardly into the filter body from the spa water inlet with the pocket's bottom end being substantially adjacent to and above the water discharge orifice, and the discharge orifice of the filter body being connected to the outlet passage of the manifold, with the lower end of the filtering tank being connected to the inlet passage of the manifold; and piping disposed between the outlet passage of the manifold and the inlet passage of the manifold and the spa or pool and the pump whereby upon operation of the pump water is drawn from the spa or pool into the filtering tank and then back into the pool.