ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,023, issued on Feb. 18.
"Enhanced convective rotor cooling" was invented by James Rhett Mayor (Braselton, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to various aspects, exemplary embodiments of an electric motor are provided herein. In one embodiment of this disclosure, an electric motor includes a rotor, at least one end of the rotor includes at least one blade and at least one array of micro-features, wherein heat generated by the rotor is dissipated by the at least one blade and the at least one array of micro-features.In another embodiment, a method of manufacturing an electric motor having a rotor, the method comprising machin...