UNIT TO FILL CYLINDERS WITH LIQUEFIED GAS Russian patent published in 2008 - IPC F17C5/02 

FIELD: gas appliances.

SUBSTANCE: invention relates to devices designed to fill and keep the liquefied gas cylinders and can be used, for example, for filling the fire-extinguishers with chladone. The unit to fill the cylinders with liquefied gas incorporates a vessel mounted on a supporting structure and comprising a gas and liquid spaces, a release valve, a liquid and gas lines with fittings and pressure gages, a weight measuring device and a flexible line with one end connected to the liquid line and with the other one to the shut-off valve arranged on the cylinder neck, a compressor and a compressed-air accumulator. The said accumulator communicates, via pipeline, with the cylinder gas space and with line feeding the compressed air into the flexible line. The cylinder liquid space houses the pipe in taking a liquefied gas and connected to the liquid line, the ends of the both said lines being furnished with check valves. The said check valves are interconnected via a line connected with the said flexible line and the line communicating, via the bypass valve, with the cylinder gas space.

EFFECT: simpler design.

12 cl, 1 dwg