FIELD: weapons and ammunition.
SUBSTANCE: proposed system comprises low-pressure tank and two high-pressure tanks communicated with valve unit arranged in valve sleeve. Each tank has filling neck. Low-pressure tank communicates via valve unit with barrel steam-evaporating grooves. Each high-pressure tank exploits its own valve. Filling necks are arranged relative to tanks to allow the following sizes: L = (0.3 to 0.4)D where: L is the distance from tank axis to neck lower face, D is the tank ID. Valve unit represents two pin-jointed cylindrical rods with grooves and holes. Valve sleeve represents hollow rod with two rings and is secured on high-pressure tank. Intake tube is arranged on valve sleeve to feed steam from low-pressure tank front top section.
EFFECT: higher reliability in operation at negative temperatures, improved combat performances.
6 dwg
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