Inlet of underground reservoir having multiple-stage structure
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United States of America Patent
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Jan 3, 2017
Grant Date -
Apr 2, 2015
app pub date -
Sep 22, 2014
filing date -
Sep 30, 2013
priority date (Note) -
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Abstract
According to one aspect of the invention, an inlet of an underground reservoir having a multiple-stage structure includes: a flow portion, wherein water flowing in the flow portions; a drop portion transporting the water to a underground reservoir from the flow portion; and an inlet portion having a multiple-stage structure to generate a vortex in the water to be transported to the drop portion.
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