Liquid purification or separation – Flow – fluid pressure or material level – responsive – Proportionate feed means
Patent
1977-10-11
1978-06-13
Adee, John
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Proportionate feed means
210128, 210136, 210138, 210206, C02B 118
Patent
active
040947866
ABSTRACT:
The disclosed control apparatus for water treatment systems embodies a float switch actuably responsive to a predetermined drop in stored water level causing the pumping of treatment solution to a predetermined rate of flow controlled by a flow orifice for a predetermined period of time when called for by a thus energized clock totalizer embodying cam mechanism therein and a sensitive switch responsive thereto for controlling the flow of treatment solution to the water reservoir proportional to the delivery of make up water controlled by the float switch.
REFERENCES:
patent: 3274094 (1966-09-01), Klein
patent: 3522881 (1970-08-01), Nicol
patent: 3721344 (1973-03-01), Rost
patent: 3928197 (1975-12-01), Horan et al.
patent: 3957637 (1976-05-01), Morey
Adee John
Hill Kerry Maxwell
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