US12669302 - Firearm suppressor

The patent describes a firearm suppressor designed with an inner chamber and an outer chamber, featuring at least one vane that incorporates a labyrinth weir formation to improve energy dissipation of fluid flow. This innovative design aims to enhance the suppressor’s efficiency in reducing noise and recoil when a firearm is discharged.
Claim 1
1 . A firearm suppressor including an inner chamber, wherein the firearm suppressor includes at least one vane, the vane having an edge across which fluid flows, wherein said vane has a labyrinth and/or piano key formation applied to said edge to enhance energy dissipation as the fluid flows across the vane.
Google Patents
https://patents.google.com/patent/US12669302
USPTO PDF
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12669302