HEAD REGULATOR OF FISH PASSAGE AND SPAWNING CHANNEL Russian patent published in 2023 - IPC E02B8/08 

FIELD: fishery.

SUBSTANCE: head regulator of the fish passage and spawning channel includes longitudinal vertical retaining walls, a foundation slab and intermediate abutments. The channel in cross section has a polygonal channel-floodplain shape. The cross-section of the foundation slab is made corresponding to the cross-sectional shape of the channel. Retaining walls and intermediate abutments form culvert spans of equal width, equipped with gates made in accordance with the shape and size of the spans, with the ability to move in a vertical plane along guide grooves, which are vertically oriented channels mounted in the retaining walls and intermediate abutments.

EFFECT: favorable conditions for fish when passing through the channel.

1 cl, 10 dwg