Water purification apparatus
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United States of America Patent
Stats
-
Jun 27, 1989
Grant Date -
N/A
app pub date -
Aug 3, 1988
filing date -
Aug 3, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Self-standing apparatus for filtering supply water to provide purified water includes a base subassembly and two container subassemblies. One container subassembly provides supply water to filtering apparatus located in the base subassembly. The second container holds purified water which passes through a semipermeable membrane filter in the base subassembly. Concentrate from the membrane filter flows back to the supply water container for ultimate recirculation. The base subassembly and the container subassemblies have automatically closing valves which render each container water-tight when separated from the base subassembly, and which open to provide communication between the containers and filtering apparatus within the base subassembly.
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