公开(公告)号：US10563944B2

公开(公告)日：2020-02-18

申请号：US16169451

申请日：2018-10-24

申请人： Kevin C. Campbell ,  Jeff A. White

发明人： Kevin C. Campbell ,  Jeff A. White

IPC分类号： F41A21/30

摘要： A gun barrel sound suppressor incorporating a housing having a breach end, a muzzle end, and a barrel axis extending between those ends; a bullet passage conduit aligned with the barrel axis; a first annular gas outlet port opening the bullet passage conduit; a first annular gas inlet port further opening the bullet passage conduit, the first annular gas inlet port being positioned muzzlewardly from the first annular gas outlet port; a first circumferentially extending “U” channel having a web, having a breachward arm having a distal end, and having a muzzleward arm having a distal end, wherein the distal end of the first breachward arm communicates with the first annular gas outlet port, and wherein the distal end of the first muzzleward arm communicates with the first annular gas inlet port.

公开(公告)号：US10690432B2

公开(公告)日：2020-06-23

申请号：US16245545

申请日：2019-01-11

申请人： Kevin C. Campbell ,  Jeff A. White

发明人： Kevin C. Campbell ,  Jeff A. White

IPC分类号： F41A21/30 ,  F41A21/24

摘要： A sound suppressing gun barrel incorporating a bullet channel having breachward and muzzleward ends; at least a first “U” channel positioned radially outwardly from the bullet channel, the at least first “U” channel having a web, having a gas receiving arm extending muzzlewardly from the web, and having first and second gas conveying arms extending muzzlewardly from opposite ends of the web; the sound suppressing gun barrel further having an inlet port opening the at least first “U” channel at a muzzleward end of the at least first “U” channel's first gas conveying arm, the inlet port communicating with the bullet channel; the sound suppressing gun barrel further having an outlet port further opening the at least first “U” channel, the outlet port being positioned at a muzzleward end of the at least first “U” channel's second gas conveying arm.

公开(公告)号：US20190145727A1

公开(公告)日：2019-05-16

申请号：US16169451

申请日：2018-10-24

申请人： Kevin C. Campbell ,  Jeff A. White

发明人： Kevin C. Campbell ,  Jeff A. White

IPC分类号： F41A21/30

CPC分类号： F41A21/30

摘要： A gun barrel sound suppressor incorporating a housing having a breach end, a muzzle end, and a barrel axis extending between those ends; a bullet passage conduit aligned with the barrel axis; a first annular gas outlet port opening the bullet passage conduit; a first annular gas inlet port further opening the bullet passage conduit, the first annular gas inlet port being positioned muzzlewardly from the first annular gas outlet port; a first circumferentially extending “U” channel having a web, having a breachward arm having a distal end, and having a muzzleward arm having a distal end, wherein the distal end of the first breachward arm communicates with the first annular gas outlet port, and wherein the distal end of the first muzzleward arm communicates with the first annular gas inlet port.