DEVICE FOR FILLING OF CYLINDERS WITH COMPRESSED GAS (VERSIONS) Russian patent published in 2002 - IPC

FIELD: devices for filling of cylinders with compressed gases. SUBSTANCE: according to the first version, device has shutoff valve and electric contact pressure gage communicated with high-pressure main line, filling hose with connector for cylinders, check valve and three-way cock. Shutoff valve has vent valve communicated with low-pressure main line. Three-way cock is installed between connector of filling hose and check valve in direction of gas flow. According to the second version, device has shutoff valve and electric contact pressure gage communicated with high-pressure main line, filling hose with connector for cylinders, and check valve. Shutoff valve has vent valve communicated with low-pressure main line. Filling hose has ball cock installed ahead of check valve in direction of ga flow, and relief valve located behind check valve in front of connector for cylinders. EFFECT: higher efficiency and safety of filling of gas cylinder plants. 2 cl, 2 dwg