Reverse osmosis assembly operating valve
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United States of America Patent
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-
May 16, 1989
Issued Date -
N/A
app pub date -
Jan 7, 1987
filing date -
Dec 24, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single control valve and associated conduits for operating a reverse osmosis assembly that includes a reverse osmosis cartridge, a reservoir that has a movable barrier therein that subdivides 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 control 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 backpressure to which purified water is subjected in discharging from the cartridge being that due to the weight of reject water in the second confined space, and a 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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