US Patent Issued to ROLLS-ROYCE on May 5 for "Emissions of non-volatile particulate matter from gas turbine engines combusting sustainable aviation fuel and fossil-based hydrocarbon fuel" (British Inventors)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,370, issued on May 5, was assigned to ROLLS-ROYCE PLC (London).

"Emissions of non-volatile particulate matter from gas turbine engines combusting sustainable aviation fuel and fossil-based hydrocarbon fuel" was invented by Christopher P Madden (Derby, Great Britain) and Peter Swann (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine for an aircraft. The gas turbine engine comprising: a rich burn, quick quench, lean burn (RQL) combustor having a number of fuel spray nozzles in the range of 14-22 or a number of fuel spray nozzles per unit engine core size in the range 2 to 6. An MTO nvPM emissions index ratio is def...