Patent ID: 7789008
Filing Date: 2010-09-07
Classification: F41A

Abstract:
1. A suppressor for a firearm having a barrel with a muzzle, comprising: at least first and second energy spreading sections; said first energy spreading section including a first expansion chamber in communication with said muzzle wherein energy density of gases formed by discharge of the firearm is reduced in said first expansion chamber; the first expansion chamber including openings coupling the first expansion chamber to said second energy spreading section; said second energy spreading section including at least first and second passageways; said first passageway including at least a second expansion chamber; said second expansion chamber including a front tube and a rear tube; said second passageway including a series of baffles extending forward of the muzzle; said rear tube being at least partly mounted to the outer wall of the barrel and said front tube extending forwardly from said muzzle over said second passageway; and said second expansion chamber being in communication with said first expansion chamber and said first expansion chamber being in communication with said muzzle wherein at least some of the gases from the firing of the firearm flow from the muzzle into the first expansion chamber and at least some of the gases from the firing of the firearm flow from the first expansion chamber to the second expansion chamber.