US Patent Issued to Collins Engine Nozzles on May 27 for "Proportional force modification of passive spool for control of secondary nozzle circuits" (Iowa, Connecticut, Massachusetts Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,004, issued on May 27, was assigned to Collins Engine Nozzles Inc. (Des Moines, Iowa).

"Proportional force modification of passive spool for control of secondary nozzle circuits" 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.) and Richard E. Versailles (New Hartford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The sche...