PRESSURE REGULATOR Russian patent published in 1997 - IPC

FIELD: automatics, gas supply systems and other industrial objects. SUBSTANCE: pressure regulator has body 1, controlling chambers 4 and 20, inlet 2 and outlet 3 spaced communicating by means of seats 12 and 13, membranes 5 and 21 attached to body 1 with the aid of covers 47 and 23. Setting springs 6 and 22 are placed between covers 7 and 23 and membranes 5 and 21. Membrane 5 controls valve 11 via bell-crank 8 put on axle 9 and rod 10. Membrane 21 acts via T-shaped lever 18 which short arms are profiled with adjustable intercenter distance on spring-loaded disc 17 coupled to rod 15 on which valve 14 is fixed. Spring-loaded button 24 acts on T-shaped lever 18, when pressed , controlling chambers 4 and 20 are interconnected by means of pulse tube 26. EFFECT: increased authenticity of stabilization of outlet pressure thanks to provision of operational efficiency of regulator from servo drive of shut-off valve. 1 dwg