COOLING SYSTEM FOR MACHINE PISTOLS AND MACHINE GUNS Russian patent published in 2015 - IPC F41A13/00 

FIELD: weapon and ammunition.

SUBSTANCE: cooling system consists of two tanks - larger and smaller - with cooling emulsion connected among themselves by the pipeline through the cooling tap. The smaller tank is located inside the fire control handle in the lower part of which the drain plug is located. In the smaller tank the cylinder with holes, the piston and the rubber ball inside the piston is located. The return spring of the piston is located around it in its top part above the small tank. The pipeline the top end of which is laid into the stock cartridge chamber is connected to the lower part of the cylinder. On the pipeline near the trigger the tap with a guidon connected by rod to the lower end of the trigger is installed. In case of use of a folding butt both tanks are connected with a flexible hose.

EFFECT: improving cooling efficiency of gun barrels in submachine guns, auto-machine guns, heavy-calibre machine guns and automatic cannons.

2 cl, 2 dwg