ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,226, issued on Feb. 10, was assigned to General Electric Co. (Evendale, Ohio).
"Variable pitch fan blade retention system" was invented by Abhijeet Jayshingrao Yadav (Karad, India), Nicholas M. Daggett (Camden, Maine), Nicholas Joseph Kray (Mason, Ohio) and Nitesh Jain (Bengaluru, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variable pitch fan for a gas turbine engine includes a hub, a fan blade supported by the hub, the fan blade including a blade root, and a retention system including a bearing and a retainer, the retainer securing the bearing to the blade root. The hub is rotatably supported by the bearing."
The patent was filed on Aug...