Fish conveying apparatus

Details Fish conveying apparatus Fish conveying apparatus

A - Human Necessities

22

C

270/11

A22C 25/08 (2006.01) A01K 79/00 (2006.01) E02B 8/08 (2006.01)

Patent

CA 1283426

ABSTRACT OF THE DISCLOSURE A device for assisting fish to circumnavigate obstacles such as dams is provided with a system of chambers within each of which is disposed an inclined, water permeable,floating screen movable up and down depend- ing on the level of water in the chamber. The level of water is controlled by a system of strategically located gates and valves. The lowermost chamber is provided with a siphon-like arrangement assisting the draining of the chamber, without the need for a pump. The invention simplifies the overall arrangement and its operation.

546891

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