Reverse osmosis assembly including an operating valve
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United States of America Patent
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-
Apr 14, 1987
Grant Date -
N/A
app pub date -
Dec 24, 1984
filing date -
Dec 24, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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