LIGHT GAS UNIT (EMBODIMENTS) Russian patent published in 2023 - IPC F41F1/00 

FIELD: light gas units.

SUBSTANCE: light gas unit (LGU) contains a charging chamber with a powder charge, a compression chamber and an ignition chamber, a ballistic barrel, a piston, and a membrane. The compression chamber and the ignition chamber are filled with light gas. The piston separates the charging chamber from the compression chamber. The membrane separates the compression chamber and the ignition chamber channel from the ballistic barrel. The ignition chamber channel is made either in form of several successive adjacent volumes, the first of which is in the form of a cylinder, and the others, one or more, are in the form of a truncated cone with an increasing degree of taper of each subsequent one, or in form of a rotational paraboloid with a truncated apex.

EFFECT: increased reliability.

2 cl, 4 dwg