US Patent Issued to BAE SYSTEMS on Sept. 1 for "Exhaust duct" (British Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,793, issued on Sept. 1, was assigned to BAE SYSTEMS plc (London).

"Exhaust duct" was invented by Jonathan Peter Irving (Warton, Great Britain), Stephen Charles Nunn (Warton, Great Britain) and Colin Whaites (Warton, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A jet engine exhaust assembly 20 is disclosed. The exhaust assembly comprises a double-walled exhaust duct 22 comprising an inner wall defining the inner profile of the duct and an outer wall spaced apart from the outer surface of said inner wall to define a cooling space 21 therebetween. The double-walled exhaust duct 20 is a structural load bearing component."

The patent was...