US Patent Issued to Collins Engine Nozzles on May 20 for "Proportional restriction of a secondary circuit of a fuel injector" (Iowa, Connecticut, Massachusetts Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,581, issued on May 20, was assigned to Collins Engine Nozzles Inc. (Des Moines, Iowa).

"Proportional restriction of a secondary circuit of a fuel injector" was invented by Brandon P. Williams (Johnston, Iowa), Michael Ferrarotti (Durham, Conn.), Murtuza Lokhandwalla (South Windsor, Conn.), Todd Haugsjaahabink (Amherst, Mass.), Russell P. Rourke Jr. (East Granby, Conn.), Jay W. Kokas (Bloomfield, Conn.), Richard E. Versailles (New Hartford, Conn.) and Jason A. Ryon (Carlisle, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inle...