Skimmer with rotatable filter cartridge for spas and pools

Details Skimmer with rotatable filter cartridge for spas and pools Skimmer with rotatable filter cartridge for spas and pools

2007-05-22

2007-05-22

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Structural installation

Closed circulating system

C210S167140, C210S232000, C210S416200, C004S507000

Reexamination Certificate

active

11098092

ABSTRACT:
A pool/spa skimmer includes a housing, a face plate, and a flexible weir gate. The housing and plate are dimensioned to allow water to flow in a vertical column. The interior of the housing has a curved wall so that when a column of water passes through the open gate and into the housing, a whirlpool effect is realized. A vertical filter cartridge is mounted on a rotational bearing so that it can spin about its axis. The inlet of a pump is coupled to the cartridge via the bearing and is also coupled to a second water inlet via a vacuum operated valve. The outlet of the pump is also coupled to a water jet which is arranged to enhance the whirlpool effect.

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