ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,916, issued on Oct. 28, was assigned to Collins Engine Nozzles Inc. (Des Moines, Iowa).

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

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