Liquid purification or separation – Structural installation – Closed circulating system
Patent
1981-02-24
1984-07-24
Castel, Benoit
Liquid purification or separation
Structural installation
Closed circulating system
210196, 2101981, 261DIG75, 4490, E04H 316
Patent
active
044617038
ABSTRACT:
An aeration device for use in a swimming pool system wherein a pump draws water from a lower portion of a body of water through a filter and returns it to the body of water via a return conduit, and comprises a tubular aeration member positioned adjacent to a conduit to the pump, and extending above the water line, thus to admix atmospheric air with water drawn by the pump via the conduit from the lower portion of the body of water. A flexible hose preferably extends into the body of water and is connected with the pump via a return conduit, and the hose is moved about and supported under the action of aerated water passing therethrough to spread aerated water through the body of water.
REFERENCES:
patent: 3577571 (1971-05-01), Bellinson et al.
patent: 3640516 (1972-02-01), Willinger
patent: 3738620 (1973-06-01), Ennis
patent: 3765432 (1973-10-01), Goodin
patent: 4072612 (1978-02-01), Daniel
patent: 4141101 (1979-02-01), Gibellina
patent: 4271099 (1981-06-01), Kukla
patent: 4304740 (1981-12-01), Cernoch
Carroll Leo R.
Castel Benoit
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