CONTROL DEVICE FOR GAS PRESSURE REGULATOR Russian patent published in 1999 - IPC

FIELD: automatic control equipment, in particular, gas-pipe control. SUBSTANCE: device has housing with control and test chambers, tuning member, which is connected to sensitive element, sleeve, coaxial inlet and outlet, and rod which is designed as tube saddle of outlet. Goal of invention is achieved by introduced jump stabilizer, which input serves as input to inlet, ball lock, which interacts with sleeve which is rigidly attached to saddle of inlet and is mounted for movement by operating distance of sensitive element, which is designed as two coaxial plungers, inner and outer ones, with sealed connection between them and housing. Inner plunger is rigidly attached to tube saddle of outlet and has rest for external plunger, which operating distance is clipped by rest in housing. Tuning member is designed as integral unit of sequence of springs with different rigidity. Inlet and outlet are designed as ball valves. EFFECT: increased functional capabilities. 1 dwg