Method and apparatus for cleaning swimming pools

Details Method and apparatus for cleaning swimming pools Method and apparatus for cleaning swimming pools

1996-09-05

1998-08-11

Woo, Jay H.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210169, 2104162, 210712, C02F 124

Patent

active

057923620

ABSTRACT:
A method for cleaning unwanted materials from a swimming pool having water and a water recirculation filtration system wherein the water circulates through the recirculation filtration system. The method comprises the steps of placing microscopic air bubbles having a size of in the range of from abut 0.1 mm to about 0.001 mm into water circulating through the water recirculation filtration system, circulating the microscopic air bubbles into the water of the swimming pool for a period of time sufficient to precipitate onto unwanted materials in the pool, allowing the materials to float to the top of the surface of the water, and removing the unwanted materials from the surface of the pool. An apparatus for accomplishing the method is also disclosed.

REFERENCES:
patent: 3986954 (1976-10-01), George et al.
patent: 4304740 (1981-12-01), Cernoch
patent: 4769154 (1988-09-01), Saylor et al.
patent: 4874509 (1989-10-01), Bullock
patent: 5156745 (1992-10-01), Cairo, Jr. et al.
patent: 5160620 (1992-11-01), Lygren
patent: 5492630 (1996-02-01), Roshanravan et al.
patent: 5516434 (1996-05-01), Cairo, Jr. et al.

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