초록 ▼

An apparatus and method for suppressing the muzzle gases from a firearm are disclosed. The suppressor includes a shell and a core, the core having a body with first and second stages. The diameter of the first stage is larger than the diameter of the second stage. In some embodiments, the first and

An apparatus and method for suppressing the muzzle gases from a firearm are disclosed. The suppressor includes a shell and a core, the core having a body with first and second stages. The diameter of the first stage is larger than the diameter of the second stage. In some embodiments, the first and second stages of the core body include hollow chambers defined by baffles. The hollow chambers may have a serpentine arrangement.

대표청구항 ▼

1. A firearm sound suppressor comprising: a shell having an inner surface and a constant inner diameter; anda core disposed within the shell and extending from a first end of the shell to a second end of the shell, the core having a body consisting essentially of first and second stages, the first s

1. A firearm sound suppressor comprising: a shell having an inner surface and a constant inner diameter; anda core disposed within the shell and extending from a first end of the shell to a second end of the shell, the core having a body consisting essentially of first and second stages, the first stage being adjacent to a barrel of a firearm when the suppressor is attached to the firearm, an outer surface of the first stage directly engaging with the inner surface of the shell along an entire length of the first stage, and an outer surface of the second stage being spaced from the inner surface of the shell;wherein the first stage includes one or more baffles that define one or more chambers, at least one of the one or more baffles in the first stage being angled at a non-perpendicular angle relative to the core body;wherein the second stage includes one or more baffles that define one or more chambers, at least one of the one or more baffles in the second stage being angled at a non-perpendicular angle relative to the core body;wherein an outermost diameter of the first stage of the core body is larger than an outermost diameter of the second stage of the core body such that the second stage and the shell cooperate to provide greater gas expansion as compared to the cooperation of the first stage and the shell;wherein an annular air gap is formed in the entirety of the space between the outer surface of the second stage of the core body and the inner surface of the shell. 2. The firearm sound suppressor of claim 1, wherein an angle of the at least one baffle in the first stage is different than an angle of the at least one baffle in the second stage. 3. The firearm sound suppressor of claim 1, wherein the second stage comprises one or more openings arranged to transfer gasses into the annular gap. 4. The firearm sound suppressor of claim 1, wherein one or more portions of the outer surface of the second stage is flat. 5. The firearm sound suppressor of claim 1, wherein the core includes an opening arranged to eject a bullet. 6. The firearm sound suppressor of claim 1, wherein the one or more chambers in the first stage are in fluid communication with the one or more chambers in the second stage. 7. The firearm sound suppressor of claim 1, wherein the one or more baffles in the first stage are arranged such that the one or more chambers in the first stage have a serpentine arrangement. 8. The firearm sound suppressor of claim 7, wherein the one or more baffles in the second stage are arranged such that the one or more chambers in the second stage have a serpentine arrangement. 9. The firearm sound suppressor of claim 1, wherein at least a second baffle of the one or more baffles in the first stage includes a vertical baffle, and at least a second baffle of the one or more baffles in the second stage includes a vertical baffle. 10. The firearm sound suppressor of claim 9, wherein the at least one baffle in the second stage is arranged at one of a +45° angle and a −45° angle. 11. The firearm sound suppressor of claim 1, wherein the at least one baffle in the first stage is arranged at one of a +45° angle and a −45° angle, and the at least one baffle in the second stage is arranged at one of a +45° angle and a −45° angle. 12. The firearm sound suppressor of claim 1, wherein the first stage comprises a first chamber at a proximal end, the first chamber being defined by a vertical baffle wall. 13. The firearm sound suppressor of claim 1, wherein the core is attached to the shell. 14. The firearm sound suppressor of claim 1, wherein the core comprises a monolithic core. 15. A firearm sound suppressor comprising: a shell having an inner surface;a core disposed within the shell and extending from a first end of the shell to a second end of the shell, the core having a body consisting essentially of first and second stages, the first stage being adjacent to a barrel of a firearm when the suppressor is attached to the firearm, an outer surface of the first stage directly engaging with the inner surface of the shell, wherein a distance between a center of the core body and an outermost portion of the core body in the first stage is larger than a distance between the center of the core body and an outermost portion of the core body in the second stage, wherein the first stage includes one or more baffles that define one or more chambers, at least one of the one or more baffles in the first stage being angled at a non-perpendicular angle relative to the core body, wherein the second stage includes one or more baffles that define one or more chambers, at least one of the one or more baffles in the second stage being angled at a non-perpendicular angle relative to the core body; andan annular air gap formed in the entirety of the space between an outer surface of the second stage of the core body and the inner surface of the shell, wherein the outer surface of the second stage does not contact the shell. 16. The firearm sound suppressor of claim 15, wherein the second stage comprises one or more openings arranged to transfer gasses into the annular gap. 17. The firearm sound suppressor of claim 15, wherein one or more portions of the outer surface of the second stage is flat. 18. The firearm sound suppressor of claim 15, wherein the one or more baffles in the first stage are arranged such that the one or more chambers in the first stage have a serpentine configuration, and the one or more baffles in the second stage are arranged such that the one or more chambers in the second stage have a serpentine configuration. 19. The firearm sound suppressor of claim 15, wherein the one or more chambers in the first stage are in fluid communication with the one or more chambers in the second stage, wherein the first stage comprises a first chamber at a proximal end, the first chamber being defined by a vertical baffle wall. 20. The firearm sound suppressor claim 15, wherein the core is attached to the shell via a collar at a first end of the core that is attachable to the first end of the shell and a collar at a second end of the core that is attachable to the second end of the shell. 21. The firearm sound suppressor of claim 15, wherein the core is a monolithic core. 22. The firearm sound suppressor of claim 15, wherein an angle of the at least one baffle in the first stage is different than an angle of the at least one baffle in the second stage. 23. The firearm sound suppressor of claim 15, wherein the at least one baffle in the first stage is arranged at one of a +45° angle and a −45° angle, and the at least one baffle in the second stage is arranged at one of a +45° angle and a −45° angle. 24. A firearm sound suppressor comprising: a shell; anda core disposed within the shell and extending from a first end of the shell to a second end of the shell, the core having a body consisting essentially of first and second stages, the first stage being adjacent to a barrel of a firearm when the suppressor is attached to the firearm, an outer surface of the first stage directly engaging with an inner surface of the shell along an entire length of the first stage, wherein the first stage includes one or more baffles defining one or more chambers, a first chamber in the first stage being defined by a vertical baffle and a second chamber in the first stage being defined by an angled baffle, wherein the second stage includes one or more baffles defining one or more chambers;wherein a distance between a center of the core body and an outermost portion of the core body in the first stage is larger than a distance between the center of the core body and an outermost portion of the core body in the second stage;wherein the distance between the center of the core body and the outermost portion of the core body in the first stage is constant along a length of the first stage and the distance between the center of the core body and the outermost portion of the core body in the second stage is constant along a length of the second stage;wherein the one or more chambers in the first stage and the one or more chambers in the second stage have a serpentine arrangement. 25. The firearm sound suppressor of claim 24, wherein the angled baffle of the first stage is arranged at one of +45° angle and a −45° angle. 26. The firearm sound suppressor of claim 24, wherein the first chamber is located at a proximal end of the first stage. 27. The firearm sound suppressor of claim 24, wherein the core is attached to the shell via a collar at a first end of the core that is attachable to the first end of the shell and a collar at a second end of the core that is attachable to the second end of the shell. 28. The firearm sound suppressor of claim 24, wherein the core is a monolithic core. 29. The firearm sound suppressor of claim 24, wherein the second stage comprises one or more openings arranged to transfer gasses into an annular gap formed between an outer surface of the core body in the second stage and the shell. 30. The firearm sound suppressor of claim 24, wherein at least one of the one or more baffles in the second stage is angled relative to the core body.