Gun pipe oscillation damper

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

Patent

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Details

F41A 25/18 (2006.01) F41A 21/36 (2006.01) F41A 25/10 (2006.01)

Patent

CA 2119273

A damping device for a gun pipe (1) having a muzzle brake (2) comprises a recoil brake (3) and an oscillation damper (9) to prevent natural oscillations in the gun pipe when firing a shot, from propagation to the recoil brake. The connection of the oscillation damper to the recoil brake (3) and the gun pipe breeching (5) is such that the force transfer coupling between the breeching and the recoil brake is reduced with respect to said natural oscillations. The oscillation damper (9), which may take the form of a column of Belleville springs (10), is dimensioned so that the damping device as a whole has a rigidity substantially less than the recoil brake alone and forms an oscillatory system with a natural frequency substantially lower than the frequency of said natural oscillations of the gun pipes when firing a shot.

Dispositif amortisseur pour tube de canon (1) ayant un frein de bouche (2) comprenant un frein de recul (3) et un amortisseur d'oscillations (9) afin d'empêcher les oscillations naturelles dans le tube de canon, lorsqu'un coup est tiré, de se propager au frein de recul. La connexion de l'amortisseur d'oscillations au frein de recul (3) et à la culasse de canon (5) est telle que l'accouplement de transfert de force entre la culasse et le frein de recul est réduite par rapport aux dites oscillations naturelles. L'amortisseur d'oscillations (9), qui peut prendre la forme d'une colonne de ressorts de Belleville (10), est dimensionné de telle sorte que le dispositif d'amortissement, dans l'ensemble, présente une rigidité sensiblement inférieure à celle du frein de recul seul et forme un système oscillatoire avec une fréquence naturelle sensiblement inférieure à la fréquence desdites oscillations naturelles des tubes de canon lorsqu'un coup est tiré.

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