DRAIN MANIFOLD HEAD Russian patent published in 2016 - IPC E02B11/00 

FIELD: reclamation.

SUBSTANCE: invention can be used for automatic control and stabilization of ground waters, primarily for drainage systems. Drain manifold head 2 comprises shut-off element 25 with float and rod 22 arranged on cap of drain, located in drainage manhole 12, lever-hinged drive. In well 12 includes receiving chamber 13 with drain hole 16 accommodating valve 14, oriented coaxially cavity discharge pipe 9 and fixed to lever 18 with float. Receiving chamber 13 is connected with discharge branch pipe 9. Discharge pipe 9 is connected to curved feed pipe with bottom bend 3, straight section 4 and upper elbow 5 equipped with vacuum chamber 6 at beginning of first knee, and water collection chamber 7, which is adjacent to convex wall of second elbow. Chambers 6 and 7 are interconnected by tube 8. When feeding water from collector 2 to holes 10 in chamber 6 negative pressure is formed, which is transmitted via tube 8 into chamber 7. As a result, sucked off boundary layer in convex wall elbow 5 and water is supplied to convex wall bend 3. Straight section of pipe 4 is connected with water intake chamber 13 via discharge pipe 9. Reliable operation in transient modes depending on content of water in manifold is provided due to simplification of design and reduced material consumption, consisting of one water intake chamber, one float, and shortening of stems, which affects operation of locking valve in water intake chamber.

EFFECT: technical result consists in design simplification and reduction of material consumption.

2 cl, 1 dwg