ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,984, issued on Dec. 2, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Controlled gap fuel nozzle heat shield" was invented by Jayaprakash Kannan (North York, Canada) and Sri Sreekanth (Mississauga, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An injector includes a mount, a stem, a nozzle, and a heat shield. The heat shield extends from the mount to surround the stem and at least a portion of the nozzle. The nozzle includes an exterior annular body. The distal end of the heat shield is spaced from a lip extending from the exterior annular body or a cap surrounding the nozzle to form an axial gap."
The patent was filed on...