Firearm suppressor with gas recirculation and modular components

1 . A gas recirculation system for a firearm suppressor comprising:

a proximal end configured to attach to a firearm barrel;

a distal end;

a housing disposed between the proximal end and the distal end, the housing comprising a plurality of components comprising:

a blast chamber adjacent to the proximal end;

a receiving baffle disposed near the proximal end, the receiving baffle comprising:

a plurality of ports formed through the receiving baffle;

an inner tube adjoining the receiving baffle, wherein the inner tube separates a central chamber from a peripheral chamber; and

a terminal baffle adjoining both the inner tube and the distal end, the terminal baffle comprising:

a neck oppositely disposed from the distal end; and

at least a first intermediary baffle disposed between the receiving baffle and the terminal baffle in the central chamber;

a bore piercing the proximal end, the distal end, and the plurality of components of the housing; and

a gas recirculation system comprising:

a plurality of return tubes configured to redirect gas between the central chamber and the peripheral chamber, wherein the plurality of return tubes are:

formed on the terminal baffle; and

in fluid communication with the peripheral chamber; and

a plurality of injection tubes in fluid communication with the peripheral chamber and the receiving baffle,

wherein the gas recirculation system directs gas at the terminal baffle and conveys the gas to or from the peripheral chamber via the plurality of return tubes and ingests or releases the gas to the receiving baffle via the plurality of injection tubes to extend gas dwell time within the firearm suppressor.

2 . The gas recirculation system of claim 1 and further comprising:

a first helical path adjacent to, and in fluid communication with, the blast chamber, wherein the first helical path is configured to receive gas directly from the blast chamber.

3 . The gas recirculation system of claim 2 and further comprising:

a lattice adjoining the first helical path,

wherein the lattice is configured to both:

support the first helical path; and

tubulate the gas.

4 . The gas recirculation system of claim 3 and further comprising:

a plurality of windows formed in the neck of the terminal baffle; and

an expansion cone bridging between the neck and the distal end.

5 . The gas recirculation system of claim 1 , wherein the plurality of ports of the receiving baffle are arranged in a pattern configured to direct gas flow radially inward from the peripheral chamber into the central chamber.

6 . The gas recirculation system of claim 1 , wherein the inner tube comprises a cylindrical wall having a substantially constant diameter along a length of the inner tube, wherein the cylindrical wall separates the central chamber from the peripheral chamber along at least half of the firearm suppressor.

7 . The gas recirculation system of claim 1 , wherein the terminal baffle comprises:

the plurality of return tubes arranged circumferentially around the neck,

wherein each return tube comprises a curved pathway configured to redirect gas flow at least 100 degrees from the central chamber to the peripheral chamber.

8 . The gas recirculation system of claim 1 , wherein the first intermediary baffle comprises:

a conical baffle having a central bore opening and an outer perimeter,

wherein the conical baffle is configured to direct gas flow around the outer perimeter before passing through the central bore opening.

9 . The gas recirculation system of claim 1 , wherein the plurality of injection tubes are positioned to release a gas from the peripheral chamber into a region between the blast chamber and the receiving baffle, wherein the gas, released, mixes with gas flowing from the blast chamber to extend gas dwell time within the firearm suppressor.

10 . A gas recirculation method in a firearm suppressor comprising:

attaching a proximal end to a firearm barrel;

providing a distal end;

disposing a housing between the proximal end and the distal end, the housing comprising a plurality of components comprising:

a blast chamber adjacent to the proximal end;

a receiving baffle disposed near the proximal end, the receiving baffle comprising:

a plurality of ports formed through the receiving baffle;

an inner tube adjoining the receiving baffle, wherein the inner tube separates a central chamber from a peripheral chamber; and

a terminal baffle adjoining both the inner tube and the distal end, the terminal baffle comprising:

a neck oppositely disposed from the distal end; and

at least a first intermediary baffle disposed between the receiving baffle and the terminal baffle in the central chamber;

a bore piercing the proximal end, the distal end, and the plurality of components of the housing;

redirecting gas from the central chamber to the peripheral chamber via a plurality of return tubes formed on the terminal baffle and in fluid communication with the peripheral chamber; and

releasing gas from the peripheral chamber to the receiving baffle via a plurality of injection tubes in fluid communication with the peripheral chamber and the receiving baffle,

wherein the method extends gas dwell time within the firearm suppressor by directing gas at the terminal baffle, conveying the gas to the peripheral chamber via the plurality of return tubes, and releasing the gas to the receiving baffle via the plurality of injection tubes.

11 . The method of claim 10 and further comprising:

receiving gas directly from the blast chamber at a first helical path adjacent to, and in fluid communication with, the blast chamber.

12 . The method of claim 11 and further comprising:

supporting the first helical path with a lattice adjoining the first helical path; and

tubulating the gas with the lattice.

13 . The method of claim 12 and further comprising:

forming a plurality of windows in the neck of the terminal baffle; and

bridging between the neck and the distal end with an expansion cone.

14 . The method of claim 10 , wherein the plurality of ports of the receiving baffle are arranged in a pattern configured to direct gas flow radially inward from the peripheral chamber into the central chamber.

15 . The method of claim 10 , wherein the inner tube comprises a cylindrical wall having a substantially constant diameter along a length of the inner tube, wherein the cylindrical wall separates the central chamber from the peripheral chamber along at least half of the firearm suppressor.

16 . The method of claim 10 , wherein the terminal baffle comprises:

the plurality of return tubes arranged circumferentially around the neck,

wherein each return tube comprises a curved pathway configured to redirect gas flow at least 100 degrees from the central chamber to the peripheral chamber.

17 . The method of claim 10 , wherein the at least a first intermediary baffle comprises:

a conical baffle having a central bore opening and an outer perimeter,

wherein the conical baffle is configured to direct gas flow around the outer perimeter before passing through the central bore opening.

18 . The method of claim 10 , wherein the plurality of injection tubes are positioned to release gas from the peripheral chamber into a region between the blast chamber and the receiving baffle, wherein the released gas mixes with gas flowing from the blast chamber to extend gas dwell time within the firearm suppressor.

19 . A helical path for a firearm suppressor comprising:

a proximal end configured to attach to a firearm barrel;

a distal end; and

a housing disposed between the proximal end and the distal end, the housing comprising a plurality of components comprising:

a blast chamber adjacent to the proximal end;

a first helical path adjacent to, and in fluid communication with, the blast chamber, wherein the first helical path is configured to receive gas directly from the blast chamber;

a lattice adjoining the first helical path, wherein the lattice is configured to both:

support the first helical path and tubulate the gas;

a receiving baffle adjoining the lattice, the receiving baffle comprising:

a plurality of ports formed through the receiving baffle;

an inner tube adjoining the receiving baffle, wherein the inner tube separates a central chamber from a peripheral chamber;

a terminal baffle adjoining both the inner tube and the distal end, the terminal baffle comprising:

a neck oppositely disposed from the distal end;

a plurality of windows formed in the neck; and

an expansion cone bridging between the neck and the distal end;

at least a first intermediary baffle disposed between the receiving baffle and the terminal baffle in the central chamber; and

a bore piercing the proximal end, the distal end, and the plurality of components of the housing,

wherein the helical path extends the gas dwell time within the firearm suppressor.

20 . The helical path of claim 19 further comprising:

a gas recirculation system disposed between the helical path and the distal end, the gas recirculation system comprising:

a plurality of return tubes configured to redirect gas from the central chamber to the peripheral chamber, wherein the plurality of return tubes are:

formed on the terminal baffle; and

in fluid communication with the peripheral chamber; and

a plurality of injection tubes in fluid communication with the peripheral chamber and the lattice,

wherein the gas recirculation system directs gas at the terminal baffle and conveys the gas to the peripheral chamber via the plurality of return tubes and releases the gas to the lattice via the plurality of injection tubes to extend gas dwell time within the firearm suppressor.