Ported weapon silencer with spiral diffuser

• Main Author: LATKA GREGORY S
• Format: Patent
• Language: English
• Published: 16.12.2014
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS ANDORDNANCE, e.g. CANNONS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MOUNTINGS FOR SMALLARMS OR ORDNANCE; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; WEAPONS

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.