WATER TREATMENT DEVICE AND WATER TREATMENT METHOD
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United States of America Patent
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Oct 20, 2016
app pub date -
Dec 12, 2014
filing date -
Dec 12, 2014
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Abstract
A water treatment device includes a filter that is rotatable so that a filtering surface moves in a circumferential direction; an untreated-water outflow unit that allows untreated water to flow out from an outside of the filter toward the filtering surface; a filtered-water flow path for leading, from an inside of the filter, filtered water that has permeated through the filter; and a control unit that switches between a filtration operation in which, in a state where the filter rotates, the untreated water is allowed to flow out toward the filtering surface by the untreated-water outflow unit, and the filtered water is led through the filtered-water flow path, and a cleaning operation, in which, in a state where the filter rotates and the filtered-water flow path is closed, the untreated water is allowed to flow out toward the filtering surface by the untreated-water outflow unit.
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