Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1984-06-25
1986-11-18
Bartuska, F. J.
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210663, 210748, 2102572, 2104332, 222189, B01D 1300, B01D 3100
Patent
active
046234675
ABSTRACT:
A water purification system for purifying water from a conventional supply of tap water and dispensing a predetermined quantity of processed water into a user-supplied container in response to the deposit of a predetermined value of specie, coin, or token. The system includes a first purified water path and a second drinking water path. The first purified water path includes a reverse osmosis filter, a tank, and an afterfilter coupled between a prefilter and an ultraviolet disinfecting apparatus. The second path is substantially in parallel with the first path and includes a polishing filter. Manually operated switches can be used to select either drinking water of purified water and timing means are provided to insure that a predetermined quantity of water is supplied from the dispensing means into the user-supplied container. Valves are used to operate the first path for purified water, and the second path for a limited time followed by the first path for a longer time for better tasting drinking water. The system also includes a detector for sensing improperly processed water from the reverse osmosis filter and a diverter for sending improperly processed water to a sump. The ultraviolet disinfecting system or apparatus includes a hollow plastic housing with a lamp mounted therein. The lamp is wrapped in plastic and an annular space between the outer surface of the lamp and the inner surface of the housing provides a flow path for the purified water during which time disinfecting takes place prior to dispensing.
REFERENCES:
patent: 3207282 (1965-09-01), Norris
patent: 3375913 (1968-04-01), Norris
patent: 3813334 (1974-05-01), Bray
patent: 3856676 (1974-12-01), Grimme et al.
patent: 3870033 (1975-03-01), Faylor et al.
patent: 4400270 (1983-08-01), Hillman
Bartuska F. J.
International Manufacturing and Water Vending Company
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