WHIRL DAMPER (VERSIONS) Russian patent published in 2010 - IPC F41A21/30 

Abstract RU 2397422 C1

FIELD: weapons and ammunition.

SUBSTANCE: in compliance with first version, damper comprises separating case with lug-like baffles-vanes that section inner space into expansion chambers closed by covers with central holes and thread to attach the damper to weapon. Lugs represent vanes arranged at 10 to 30° and 150 to 170° relative to separating case that form lines of expansion chambers and swirlers. Side surface of separating chamber has lengthwise cut with locks and openings for attachment to inlet cover ledges, and inner ledges with holes on outlet end to receive tightening screws. Damper case adjoining inlet cover is made from non-porous material, while second to last expansion chamber accommodates rubber ring. In compliance with second version, element of attachment to weapon represent tubular bracket with barrel hole to secure additional device therein. In compliance with third version, damper incorporates damping device for movable barrel weapon.

EFFECT: reliability and efficiency of damping, cooling of case and gases, reduced recoil force.

3 cl, 9 dwg

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RU 2 397 422 C1

Authors

Bojarkin Vitalij Vital'Evich

Dates

2010-08-20Published

2009-09-28Filed