Dispenser of liquid agent for treating a recirculated body of wa

Details Dispenser of liquid agent for treating a recirculated body of wa Dispenser of liquid agent for treating a recirculated body of wa

1991-02-22

1992-03-31

Dawson, Robert A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Proportionate feed means

1372055, 137209, 210117, 210136, 210169, 210258, 2104162, 251208, 251215, B01D 2988

Patent

active

051005425

ABSTRACT:
Concentrated sanitizing liquid is stored in a main reservoir coupled directly to a measured reservoir by a check valve so that it automatically refills upon being emptied by air under pressure from a positive pressure cylinder. That cylinder partially fills with swimming pool water being recirculated by a centrifugal pump to produce the pressurized air. A check valve on top of the cylinder is provided to allow the cylinder to fill with air at atmospheric pressure when the pump is turned off, thus relieving the water pressure in the cylinder. A control valve between the measured reservoir and the intake side of the pump controls the rate of flow of liquid sanitizing agent into the recirculated flow of pool water. That rate is so low as to result in drops which are collected in a chamber at the output of the control valve. Suction from the pool pump draws the collected liquid into the pump where it is mixed with recirculated water.

REFERENCES:
patent: 3867289 (1975-02-01), Ortega
patent: 3867290 (1975-02-01), Mackey
patent: 4285498 (1981-08-01), Nightingale
patent: 4879027 (1989-11-01), Sanders
patent: 4917795 (1990-04-01), Sable et al.
patent: 5005601 (1991-04-01), Strong

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