Gas removal arrangement and barrel and/or weapon with a gas...

F - Mech Eng,Light,Heat,Weapons – 41 – A

Patent

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Details

F41A 5/26 (2006.01) F41A 5/28 (2006.01)

Patent

CA 2659573

The present invention relates to a gas removal arrangement (3) for a barrel (1), with the gas removal arrangement comprising a gas cylinder (12) which is connected for communication purposes via a connecting channel (8, 10, 10a; 10b) to the barrel bore (4). In this case, an inlet piece (30) is provided which matches the effective flow cross section (10a; 10b) and thus the operating pressure in the gas cylinder (12) to a specific weapon configuration. The invention also relates to a barrel assembly and to a weapon having a gas removal arrangement (3) such as this.

La présente invention concerne un arrangement (3) de réduction des gaz pour un canon (1). Selon l'invention, l'arrangement (3) de réduction des gaz comprend un cylindre (12) à gaz qui est en liaison communicante avec l'orifice (4) du canon par le biais d'un conduit (8, 10, 10a ; 10b) de liaison. Il est ici prévu une pièce (30) d'entrée qui détermine la section (10a ; 10b) transversale d'écoulement efficace et ainsi la pression de travail dans le cylindre (12) à gaz en fonction d'une configuration d'arme à feu donnée. L'invention concerne également un sous-ensemble canon ou une arme équipé d'un tel arrangement (3) de réduction des gaz.

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