US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on March 18 for "Rotor electrical grounding system" (Michigan Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,504, issued on March 18, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Rotor electrical grounding system" was invented by Sen Jiang Zhou (Troy, Mich.), Alireza Fatemi (Canton, Mich.) and Jack M Gayney (Grosse Ile, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine grounding system with low impedance includes a rotor that has a shaft assembly and that is configured to rotate about an axis. The shaft assembly has a surface. A housing supports the shaft assembly for rotation of the rotor. A holder extends from the housing. A ground assembly is held between the holder and the shaft assembly and includes a plurali...