Swimming pool filter system

Details Swimming pool filter system Swimming pool filter system

1984-09-04

1986-03-25

Fisher, Richard V.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Fluid pressure responsive

210106, 210169, 2104162, 137558, B01D 3502, B01D 3514

Patent

active

045781869

ABSTRACT:
A swimming pool filter system is comprised of a pump, a filter and a water conduit means for hydraulically connecting the pump and filter in a hydraulic loop with a swimming pool. The filter is a Hayward regenerable filter wherein the diatomaceous earth coating may be periodically shaken off the filter membrane to mix with the dirt and recoat the membrane several times between cleanings to extend the time between filter cleanings. A pressure sensitive switch, mounted at the filter inlet port, closes when the inlet pressure exceeds a predetermined magnitude to energize an alarm each time regeneration is needed or after five regenerations when cleaning will be required.

REFERENCES:
patent: 3605741 (1971-09-01), Spencer
patent: 3912632 (1975-10-01), Winzen
patent: 4317732 (1982-03-01), Shoquist
"Owner's Guide" EC--65 System III PERFLEX Extended Cycle Filter and EC--65A Basic Filter Unit, 4 pages--Hayward Pool Products, Inc., Elizabeth, N.J.

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