US Patent Issued to RTX on March 18 for "Rear bearing air sourced and vented to nose cone" (Arizona Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,026, issued on March 18, was assigned to RTX Corp. (Farmington, Conn.).

"Rear bearing air sourced and vented to nose cone" was invented by Paul R. Hanrahan (Sedona, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rear bearing air cooling system including an engine inlet section housing a nose cone; a central rotor shaft interior of the nose cone; a rear bearing supporting the central rotor shaft; and a cooling air passage formed through the nose cone and the central rotor shaft, the cooling air passage in fluid communication with the nose cone, the rear bearing and a nose cone vent."

The patent was filed on April 12, 2023, under Application...