FIELD: weapons and ammunition.
SUBSTANCE: at gunnery recoiling parts roll back and are set up on hold with a breech hook and a hook located on the immovable part of the gun. The hook opens a non-return valve of a mounted cylinder. At roll back atmospheric air extreme pressure is created in the cylinder which is directed through the first non-return valve and the pipe to the chamber via the ball valve. After the pressure is equalized in the trunk with the atmospheric pressure the piston lever transfers and removes the barrel from a hook, the recoiling parts roll forward. At this time the atmospheric air is pumped into the cylinder through the second non-return valve.
EFFECT: powder gases are removed from the artillery chambers without electric energy.
1 dwg
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