WATER FLOW REGULATOR Russian patent published in 2022 - IPC G05D16/06 

FIELD: oil industry.

SUBSTANCE: invention relates to the oil industry and can be used to maintain a given water flow rate in injection wells of reservoir pressure maintenance systems in oil fields. The water flow regulator includes a body with inlet and outlet cavities, a cover, a sleeve with through windows, a spool with a through window and a hole hermetically located in the sleeve and supported from below by a spring, and closed from above by a conical valve with an adjusting stem that goes out through the stuffing box and bottom box with the possibility of adjusting the position of the cone valve. In the lower part of the sleeve, a splined protrusion is made, which enters the groove of the spool, in the upper part of the sleeve, an internal annular recess is made around the circumference, and in the upper part of the spool, on the contrary, an outer annular recess is made with incomplete coverage of the outer surface of the spool along the circumference, and the recesses in the sleeve and in the spool overlap each other with any change in the position of the spool.

EFFECT: simplified design and increased reliability of the regulator.

1 cl, 2 dwg