Reverse osmosis assembly including an operating valve

Details Reverse osmosis assembly including an operating valve Reverse osmosis assembly including an operating valve

1984-12-24

1987-04-14

Sadowski, David

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

2101952, 2102572, 2104332, B01D 1300

Patent

active

046576746

ABSTRACT:
A single valve and associated conduits for so operating a reverse osmosis assembly that includes a reverse osmosis cartridge, a reservoir that has a movable barrier therein that sub-divides the interior into first and second confined spaces of variable volume, and a manually operated purified water dispensing valve, so that as the first confined space approaches a filled condition with purified water, the single valve throttles the flow of pressurized feed water to the cartridge to minimize the use of feed water in the operation thereof, with the maximum back pressure to which purified water is subjected in discharging from the cartridge is that due to the weight of reject water in the second confined space, and the membrane in the reverse osmosis cartridge being fast flushed with feed water to remove foreign material therefrom when the purified water dispensing valve is discharging purified water.

REFERENCES:
patent: 3887463 (1975-06-01), Bray
patent: 4021343 (1977-05-01), Tyler

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