Liquid purification or separation – Structural installation – Closed circulating system
Patent
1992-02-14
1998-07-28
Popovics, Robert
Liquid purification or separation
Structural installation
Closed circulating system
2104162, 4490, 4506, 4507, 4509, F04H 412
Patent
active
057858462
ABSTRACT:
An improved filtration system for swimming pools and the like is disclosed, in which none of the water passing through the filter passes through the recirculating pump for the swimming pool. This is accomplished by connecting the water inlet of the filter directly with the floor drain and surface skimmer. The outlet from the filter is interconnected with an entrainment nozzle supplied with water under pressure from the recirculating pump for the pool. The pump withdraws water directly from the pool, and supplies that water under pressure to the entrainment nozzle, which then draws water through the filter from the outlet to mix such filtered water with the water supplied by the pump to the entrainment nozzle for return to a return outlet in the pool. As a consequence, water flowing through the filter is drawn through it by means of suction, rather than by supplying the water under pressure. This permits a smaller, lighter-weight filter housing to be used, since no pressurized water is supplied to the filter during normal operation.
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Barnes Steven R.
Mathews Lester
Caretaker Systems, Inc.
Popovics Robert
Ptak LaValle D.
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