FISH PASSING AND SPAWNING CHANNEL Russian patent published in 2006 - IPC E02B8/08 

FIELD: hydraulic structures, particularly fish passes to permit fish passage through support structures to fish hatchery and growth areas.

SUBSTANCE: fish passing and spawning channel comprises waterway made as a channel with head part connected to upper pool and mouth part communicating with lower pool of hydrosystem, rough members located on channel bottom and extending for the full length thereof and additional flow path with head part connected with supply unit, which in turn is communicated with upper pool. Mouth part of additional flow path is connected with waterway mouth part to create independent spawning channel. The fish passing and spawning channel has several additional spawning channels arranged in parallel to additional flow path. All additional spawning channels have different longitudinal inclinations, which in turn differ from that of additional flow path. Mouth parts of additional spawning channels are connected with head part of the waterway and are arranged inside it so that the mouth parts are parallel one to another and to waterway sides. Head parts of additional spawning channels are connected with supply unit.

EFFECT: creation of spawning-effective hydraulic conditions.

14 cl, 18 dwg