ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,197, issued on May 6, was assigned to Rolls-Royce PLC (London).
"Fuel spray nozzle" was invented by Jonathan Knapton (Derby, Great Britain) and Nicholas M. Brown (Nottingham, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel spray nozzle includes a fuel circuit having in series a gallery, circumferentially spaced passages arranged in a row around the nozzle, and an annular spin chamber. Each passage has an inlet for receiving a respective portion of the fuel from the gallery and a metering orifice for discharging its portion of the fuel. The passages are configured such that, when the flow of liquid fuel to the inlet port is shut o...