ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,457, issued on Jan. 20, was assigned to Hinetics LLC (Champaign, Ill.).
"Superconducting motor with reduced coil stress" was invented by Jianqiao Xiao (Champaign, Ill.), Kiruba S. Haran (Champaign, Ill.), Thanatheepan Balachandran (Urbana, Ill.) and Justin Fiore (Chicago).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lightweight superconducting machine provides a coil support shell having a polygonal outer surface facilitating the use of flat electrical coils better adapted to superconducting temperatures. An improved mounting of spokes between the rotor and shell provides for a straight spoke extent reducing stress concentration facilitated by a ...