US Patent Issued to Rolls-Royce North American Technologies on March 25 for "Vortex tube particle separators with coatings for rebound control" (Indiana Inventor)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,903, issued on March 25, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Vortex tube particle separators with coatings for rebound control" was invented by James C. Loebig (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vortex particle separator adapted for use with a gas turbine engine includes a vortex tube, a plurality of swirl vanes, and an outlet tube. The vortex tube receives atmospheric air laden with particles. The plurality of swirl vanes are arranged within the vortex tube and separate the atmospheric air into a first flow of air having the particles and a second flow of air that is relatively ...