Vortex flow type water surface control device for draining device
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United States of America Patent
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Jun 11, 2013
Grant Date -
Nov 24, 2011
app pub date -
Aug 4, 2011
filing date -
Aug 2, 2004
priority date (Note) -
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Abstract
A vortex flow type water surface control device for a draining device is provided. The vortex flow type water surface control device may include an inflow pipe, an outflow pipe, an intercepting pipe, and a separating weir that is disposed to block the intercepting pipe and the inflow pipe from the outflow pipe. The vortex flow type water surface control device may also include a control plate that is disposed between an opening of the inflow pipe and an opening of the intercepting pipe. A height of the control plate may be higher than at least a height of the separating weir. The control plate may be apart from the separating weir, and may approximately extend to a center axis of the intercepting pipe.
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