F - Mech Eng,Light,Heat,Weapons – 41 – A
Patent
F - Mech Eng,Light,Heat,Weapons
41
A
F41A 21/30 (2006.01)
Patent
CA 2140105
A muffler for a large caliber gun having a gun tube includes a transition section fitted around the gun tube and engaging the gun tube for preventing the escape of residual combustion gases caused by a firing of the gun. Attached to the transition section is at least one pressure vessel which defines a pressure chamber for containing residual combustion gases and attenuating pressure waves. A vent stack is coupled to the pressure chamber at a port of the pressure chamber, and an exhaust blower is disposed in the vent stack for removing residual combustion gases from the pressure chamber between firings. A valve, disposed in the vent stack between the pressure chamber and the exhaust blower, closes during firings of the gun and opens between firings for permitting the exhaust blower to remove residual combustion gases from the pressure chamber. At least one baffle and orifice assembly in the pressure chamber serves to attenuate pressure waves. Preferably, there are two pressure vessels, including a main pressure vessel and an extension pressure vessel, disposed in series with one another.
Kazyaka Raymond J.
Kazyaka Raymond P.
Fetherstonhaugh & Co.
Wright Malta Corporation
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