US Patent Issued to BAE Systems on April 22 for "Duct arrangement and method" (British Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,664, issued on April 22, was assigned to BAE Systems PLC (London).

"Duct arrangement and method" was invented by Callum Stark (Glasgow, Great Britain) and Weichao Shi (Glasgow, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the present disclosure there is provided a duct arrangement for influencing fluid flow, the duct arrangement comprising: a duct section arranged to receive a fluid flow therethrough, the duct section defining a first direction through the duct section from a fluid inlet end to a fluid outlet end; a rotor housed in the duct section, the rotor comprising one or more rotor blades; and a vortex generator sur...