DEVICE FOR REGISTRATION OF DYNAMIC PRESSURE FOR THE ACTUATORS AND DEVICES FOR PROTECTION AGAINST EXCESS PRESSURE IN CASE OF INTERNAL LOCATION Russian patent published in 2018 - IPC F16K31/165 

FIELD: control; regulation.

SUBSTANCE: invention relates to fluid flow regulators, such as gas flow regulators, and in particular to gas pressure regulators that comprise the system for preventing unsafe conditions of outlet pressure. Fluid flow controller comprises the control valve (12), which comprises the inlet (14), the outlet (16) and the valve opening (18), which is located between the inlet (14) and the outlet (16). Actuator (20) is attached to the regulating valve (12) and comprises the valve plate (22), which is performed to be movable between the closed position and the open position. Device also comprises the overpressure protection device (25), which is configured in order to stop fluid flow from the inlet to the outlet, when the pressure in the adjusting cavity reaches the predetermined level. Overpressure protection device (25) comprises the measuring tube (28), which has the first end (30) in fluid communication with the outlet (16) and the second end (29) in fluid communication with the adjustment cavity (27) .Measuring tube (28) has the first portion, which extends parallel to the flow axis. At least one opening (34) is located in the measuring tube (28) near the first end (30), at this each of the openings (34) has the a center line, which is perpendicular to the flow axis.

EFFECT: technical result is aimed at providing control over the outlet pressure of the fluid.

20 cl, 8 dwg