US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Dec. 16 for "Integrated common mode choke and current sensing" (Michigan Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,484, issued on Dec. 16, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Integrated common mode choke and current sensing" was invented by Muhammad Hussain Alvi (Troy, Mich.), Yilun Luo (Ann Arbor, Mich.), Minh-Khai Nguyen (Troy, Mich.) and Alireza Fatemi (Canton, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An alternating current (AC) motor system includes an AC motor with a rotor and a stator with multi-phase AC stator windings. The system also includes a power inverter that generates a multi-phase AC voltage, an AC bus that connects the power inverter to the stator windings, an AC choke that surrounds the AC bus, and a curr...