WATER FLOW CONTROLLER Russian patent published in 2014 - IPC G05D7/01 

FIELD: construction.

SUBSTANCE: water flow controller comprises a water outlet pipe 1 of rectangular cross section, formed by faces 2 with a seat 3 at the lower face. Inside the water outlet pipe 1 there is a stop valve made in the form of a flexible tape 4 fixed by one end to the upper face 2 of the water outlet pipe 1, and by the other one - to the base of the seat 3 at the lower face 2. The flexible tape 4 forms with the body of the water outlet pipe 1 a control cavity 5 with a profiled cut 6 on the rear face 2. The controller also comprises a membrane body 7, the cavity of which is connected by a pipeline 8 with the upper reach. The membrane 9 of the membrane body 7 by means of the stem 10 with a setting screw 11 and a spring 12 is connected to a flexible tape 13 fixed at the upper edge of the profiled cut 6 used as a control element of drainage from the control cavity 5.

EFFECT: improved accuracy of water flow stabilisation and expansion of range of processed heads in an upper reach.

2 dwg