Swimming pool filtering system

Details Swimming pool filtering system Swimming pool filtering system

1983-08-02

1985-10-08

Hruskoci, Peter

Liquid purification or separation

With time control

210169, 210181, 2104162, E04H 320

Patent

active

045459061

ABSTRACT:
A swimming pool filtering system of the closed recirculatory type having a series connected strainer, pump and filter is provided with a close coupled pump drive motor having two sets of stator windings for allowing the selection of one of two water circulation rates to achieve more efficient pool water maintenance. A specific circulation rate may be manually selected or periods of selected circulation rates may be automatically programmed using a motor stator that is energized through a timer. Reduced pump speed during periods of little or no use results in substantial energy savings and a reduction of noise pollution during evening hours.

REFERENCES:
patent: 2073404 (1937-03-01), Hobbs
patent: 2669683 (1954-02-01), Burdett
patent: 2689933 (1954-09-01), Veinott
patent: 2813239 (1957-11-01), LaCour
patent: 3263144 (1966-07-01), Neyhouse et al.
patent: 3504795 (1970-04-01), Johnson
patent: 3528548 (1970-09-01), Sheckler
patent: 3588649 (1971-06-01), Heine et al.
patent: 3801992 (1974-04-01), Sable
patent: 4421643 (1983-12-01), Frederick

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