US Patent Issued to Collins Engine Nozzles on May 5 for "Swirl valves" (Iowa Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,374, issued on May 5, was assigned to Collins Engine Nozzles Inc. (Des Moines, Iowa).

"Swirl valves" was invented by Jason A. Ryon (Carlisle, Iowa), Philip E. O. Buelow (West Des Moines, Iowa), Andy W. Tibbs (Earlham, Iowa) and Brandon P. Williams (Johnston, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve system includes a spin chamber having an outlet drain configured to allow flow out of the spin chamber. A main spin surface of the spin chamber is defined around the outlet drain. A directional jet system is in fluid communication with the spin chamber. The directional jet system includes a member that is configured to move between a firs...