US Patent Issued to ROLLS-ROYCE on Feb. 3 for "Propulsion machine comprising a sealing module" (British Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,588, issued on Feb. 3, was assigned to ROLLS-ROYCE plc (London).

"Propulsion machine comprising a sealing module" was invented by Jack F Colebrooke (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a propulsion machine 10 comprising a fluid duct defined by a wall 42, 44 and a moveable member 34, 36 with a sealing module 90, 90' therebetween. The moveable member 34, 36 is moveable relative to the wall 42, 44. The sealing module 90, 90' comprises a mounting structure 92 coupled to the moveable member 34, 36 and an extendable structure 94 having a sealing surface 96. A chamber 98 is defined between the mounting struc...