GAS SUPPLY DEVICE Russian patent published in 2018 - IPC F17C13/08 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to a gas supply device. Gas supply device comprises a support frame in which there are a plurality of pressurised fluid cylinders, connected to a fluid circuit to allow emptying or filling of the cylinders. Said circuit comprises a first connection end connected to the cylinders through a first shut-off valve to ensure filling and emptying of the cylinders and a separate second connection end connected to the cylinders via a second shut-off valve and a pressure reducing valve to ensure fluid withdrawal. Support frame comprises, on one of its sides, an access panel having an access opening to the user circuit. Gas supply device comprises a manual control device for a second shut-off valve comprising a rotary arm. Access panel comprises a hatch for accessing the lever. Said lever is movable through the hatch between a first position in which the lever is in the plane of the access panel or indented therefrom inside the frame volume and a second position in which a part of the lever projects with respect to the access panel to the outside of the frame and through the hatch.

EFFECT: invention is aimed at providing satisfactory mixing of gases in terms of homogeneity and filling time, increasing safety of use and ergonomics.

23 cl, 8 dwg