FISH PASS OF UNIFORM WATER LEVEL DROP Russian patent published in 1996 - IPC

Abstract RU 2057841 C1

FIELD: hydraulic engineering. SUBSTANCE: fish pass is made in the form a train of chambers 2 placed at the same horizontal base 1 and of depth gradually decreased towards tail water by a constant value. Entry openings 3 are originated in the lower part of walls of chambers 2. Guard grids 5 are placed at the level of top of the entry openings 3 in chambers 2. EFFECT: favorable conditions for fish motion along the fish pass with uniform water level drop between adjacent chambers. 2 dwg

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RU 2 057 841 C1

Authors

Ignatov Aleksandr Nikiforovich

Dates

1996-04-10—Published

1991-06-25—Filed