GAS PRESSURE REGULATOR Russian patent published in 1995 - IPC

FIELD: gas supplying systems. SUBSTANCE: pressure regulator has housing provided with the inlet space connected to the intermediate space through the seat of cut-off valve and control valve sensor constructed as a diaphragm having the rigid center. The intermediate space is in communication with the outlet space and separated from the control space with a baffle. The diaphragm is secured in the housing between the control and adjusting space and spring-loaded with a spring positioned in the adjusting space and coupled with adjusting member, the rigid center of the diaphragm being coupled with the rod of the controlling valve through a lever. The relief chamber is positioned inside the intermediate space. The chamber is provided with a bellows compensating sensor whose end faces are secured to the bottom and top bases of the chamber. The top base is coupled with the regulating valve and rod and with the protective diaphragm sensor secured to the bottom base and rod . A space is provided between the bottom base and baffle. The intermediate space is coupled with the space of the relief chamber through the axial passage made in the control valve. EFFECT: enhanced accuracy. 1 dwg