Environmentally-friendly safe weir comprising both water way and fishway
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United States of America Patent
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Jun 7, 2016
Grant Date -
Sep 3, 2015
app pub date -
Sep 2, 2013
filing date -
Sep 27, 2012
priority date (Note) -
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Abstract
Disclosed herein is an environmentally-friendly safety weir with both a waterway and a fishway. The safety weir includes a waterway pipe (100), a fishway pipe (200), and a control unit (300). The waterway pipe includes: a horizontal waterway pipe (110) that is provided on an embankment; a vertical waterway pipe (120) that extends from each of opposite ends of the horizontal waterway pipe downward; a bottom waterway pipe (130) that horizontally extends from the vertical waterway pipe outward; and a water entering-and-exiting pipe (140) that extends from the bottom waterway pipe upward. The fishway pipe is provided on the waterway pipe and is configured such that the level of water in the fishway pipe is controlled by adjusting the amount of air in the fishway pipe. The control unit includes: a first air supply pipe that is connected to the waterway pipe; and a second air supply pipe that communicates with the fishway pipe.
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