Liquid purification or separation – Constituent mixture variation responsive – With membrane
Patent
1983-08-15
1985-07-09
Adee, John
Liquid purification or separation
Constituent mixture variation responsive
With membrane
2102572, 2104163, B01D 3100
Patent
active
045280932
ABSTRACT:
An apparatus and method for purifying and dispensing water for use in a coin operated vending machine is disclosed. The apparatus includes a pair of filters where the preliminary filtering of raw water occurs, a reverse osmosis unit pump and a reverse osmosis unit where the main purification takes place. The permeate output of the reverse osmosis unit passes through a conductivity sensor. If the conductivity is below a predetermined level, the water is sent to a storage tank. If the water is above that level then it is sent back to the reverse osmosis unit pump for further processing by the reverse osmosis unit. Water is extracted from the storage tank by a continuously operating pump which transmits the water through an ultraviolet sterilizer. During a vend cycle the water passing through the ultraviolet sterilizer is dispensed while in the absence of a vend cycle the water passing through the ultraviolet sterilizer is passed back into the storage tank. The apparatus further includes an arrangement for selectively adding to the dispensed water minerals for enhancing its taste and in addition an arrangement for selectively adding to the dispensed water electrolytes normally lost by a person during athletic or other strenuous activity.
REFERENCES:
patent: 3383310 (1968-05-01), Ammer
patent: 3654148 (1972-04-01), Bradley
patent: 3856676 (1974-12-01), Grimme, Jr. et al.
patent: 4160727 (1979-07-01), Harris, Jr.
Adee John
Kriegsman Irving M.
Water Marketers, Inc.
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