FISH PROTECTING APPARATUS OF WATER INTAKING STRUCTURE Russian patent published in 1994 - IPC

FIELD: hydraulic technology. SUBSTANCE: water stream, using feeding canal goes into zone, where members of increased roughness are mounted in water intaking structure, and changes its space structure. Main part of stream in place, where bottom members of increased roughness are installed, changes its direction and goes to opposite bank of canal. Analogous action takes place in place, where surface members of increased roughness are installed. Fish fry, after entering zone of influence of members of increased roughness, leave dangerous zone and is carried away to inlets of fish leadaway. Garbage and fish fry free water stream enters water intake and goes to consumer. EFFECT: apparatus is used in hydraulic technology. 2 cl, 6 dwg