WATER INTAKE Russian patent published in 2010 - IPC E02B9/00 

FIELD: power industry.

SUBSTANCE: water intake includes vertical walls, threshold, water intake chamber, slots of repair and quick-operating gate valves, gate valves and flow-directing devices located in slots. In addition, slots are equipped with recesses, gate valves are equipped with squeezers, and flow-directing devices made in the form of covers elongated as to height and made from elastic water-passing material are provided with flexible plates and spring elements. Flexible plates of flow-directing device are flat and have the length corresponding to the length of recesses and the width providing the slot closing, and are attached to external side of elastic covers on the side of water intake chamber. Spring elements are arranged inside elastic covers with possibility of being elongated towards outer edge owing to spring effect and reducing its own length owing to pressure on the side of the lowered gate valve. Inner end parts of spring elements are fixed in walls of recesses by means of pins, and their outer end parts are attached to external side of elastic covers and to flexible plates. Upper parts of elastic covers are fixed together with upper parts of flexible plates in recesses by means of fixing pins so that they cannot be moved to outer edges of the slot.

EFFECT: improving reliability of automatic operation of flow-directing devices.

4 dwg