WATER-RAISING UNIT Russian patent published in 2014 - IPC E02B13/02 

FIELD: construction.

SUBSTANCE: water-raising unit comprises a chamber with inlet and outlet nozzles, a float with a stem and guides and a water-raising pump. The chamber is equipped with an air valve and an air duct with a check valve for supply of compressed air to the water-raising pump. The float with the stem and guides is arranged in the chamber. The float by means of the stem is communicated with a gate valve installed on the outlet nozzle and has a cover made of ferromagnetic metal, on top of which there is a rubber sealant. On the inlet nozzle there is also a rubber sealant, which jointly with the sealant arranged on the cover, as the float floats, they provide for tight closure of the inlet nozzle, having permanent magnets that fix the float in the upper position after floating.

EFFECT: using the invention will make it possible to reduce volume of transit drain and to reduce number of hydromechanical devices in a water-raising unit.

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