Ported weapon silencer with spiral diffuser
US8910745B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Feb 12, 2014 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Feb 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49398
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A firearm muzzle silencer includes an elongated cylindrical body having a cylindrical bore, a firearm mounting end, and a projectile discharge end. At least one helical insert is positioned in the cylindrical bore and proximate to the firearm mounting end. The helical insert has an insert axial bore that extends through the helical insert and a spiral groove formed on an exterior of the helical insert to define a spiral path between the helical insert and the cylindrical bore. A chamber is defined in the elongated cylindrical body adjacent to the helical insert, and the helical insert is positioned between the chamber and the firearm mounting end. A plurality of ports is formed in the elongated cylindrical body adjacent to the spiral path, wherein the plurality of ports is in communication with the chamber via the spiral path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.