US Patent Issued to ROLLS-ROYCE on July 28 for "Geared gas turbine engine with improved noise signature" (British Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,823, issued on July 28, was assigned to ROLLS-ROYCE plc (London).

"Geared gas turbine engine with improved noise signature" was invented by Alastair D Moore (Derby, Great Britain) and Robert J Telling (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine generates noise during use, and one particularly important flight condition for noise generation is take-off. A gas turbine engine is provided that has high efficiency together with low noise, in particular from the fan and the turbine that drives the fan. Values are defined for a combined contribution of the turbine noise and the noise from the fan emanating from...