Liquid purification or separation – Flow – fluid pressure or material level – responsive – Float
Patent
1984-08-08
1986-08-19
Cintins, Ivars
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Float
210169, C02F 100
Patent
active
046068198
ABSTRACT:
Improved swimming pool apparatus includes contiguous, separate pool and secondary water chambers. The secondary chamber receives pool surface water via a skimmer weir regulated by the main pool water level, and via a pool main drain coupling. A cascaded, submersed filter and pump cleans and returns water to the pool.
The apparatus need not be winterized and provides water recirculation and cleaning--even in the presence of surface ice; utilizes pump waste heat for water heating; and assures both pool and pool water cleaning during normal operation.
REFERENCES:
patent: 3859214 (1975-01-01), Lang et al.
patent: 3864262 (1975-02-01), Lang et al.
patent: 4498984 (1985-02-01), Colson
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