ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,831, issued on Oct. 21, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Control of switching speed in a multiphase inverter" was invented by Muhammad Hussain Alvi (Troy, Mich.), Yilun Luo (Ann Arbor, Mich.), Brian A Welchko (Oakland Township, Mich.) and Suresh Gopalakrishnan (Troy, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes an inverter configured to output multiphase alternating current (AC) currents to an electric motor, the multiphase AC currents including a first phase current and a second phase current, the inverter including a set of switches for each phase current. The system also includes a switchin...