Patent ID: 6216578
Filing Date: 2001-04-17
Classification: F41A

Abstract:
In combination, a muzzle brake and a gun barrel, said combination comprising: a gun barrel; a muzzle brake attached to the gun barrel; at least two vents making the inside of the brake communicate with at least two vanes receiving the gases that are integral with the outside of the brake, said brake having at least one internal cylindrical support of the same caliber (D) as the barrel and placed downstream of the vents according to the direction of movement of a projectile fired from the barrel, characterized in that (1) the inner surface of the brake is generally the same caliber (D) as the gun barrel, level with the cylindrical supports, and (2) the internal cylindrical support is separated from said vent or vents that precede the cylindrical support by a concave surface of revolution whose concavity is oriented towards the rear of the brake; and is a conical surface, and extends longitudinally for a length (La, Lb) of between 1.5 and 4 times the length (Pa, Pb) of the cylindrical support.