BARREL WITH FORCED AIR-COOLING DEVICE Russian patent published in 1994 - IPC

Abstract RU 2015486 C1

FIELD: firearm. SUBSTANCE: device has barrel 1 with expansion chamber 1 in the muzzle part of the barrel channel, axial gas turbine 3 with inclined blades 4 connected to cylindrical fan 6 with longitudinal blades 7 and side ports embracing the barrel. Axial fan blades 8 are fastened on the end of the cylindrical fan positioned at a breech. EFFECT: improved cooling efficiency. 1 dwg

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RU 2 015 486 C1

Authors

Spirjakov Gennadij Nikolaevich

Dates

1994-06-30—Published

1989-03-24—Filed