ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,831, issued on Sept. 29, was assigned to Vitesco Technologies USA LLC (Auburn Hills, Mich.).
"Latch dual-curve 3PS/6SO safe state for inverter" was invented by John R. Qualich (Buffalo Grove, Ill.) and Isaac Gewarges (Schaumburg, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating an EV in one of various states provides an inverter control system having a high voltage circuit powered by a high DC voltage power source; a low voltage circuit powered by a low DC voltage power source that is substantially less than the voltage of the high voltage power source, the low voltage circuit being configured to power a microcontroller; an...