ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,631, issued on March 24, was assigned to ROLLS-ROYCE DEUTSCHLAND LTD & CO KG (Blankenfelde-Mahlow, Germany).

"Nozzle assembly with a central fuel pipe that is sealed against an in-flow of air" was invented by Gregor Christoffer Gebel (Ludwigsfelde, Germany) and Carsten Clemen (Mittenwalde, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a nozzle assembly for a combustor of an engine, including at least one nozzle for injecting fuel into a combustion chamber of the combustor, wherein the nozzle has a nozzle main body which extends along a nozzle longitudinal axis and a nozzle holder connected to the nozzle main body a...