US Patent Issued to TOYOTA JIDOSHA on April 21 for "Dual-mode inverter system" (Japanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,645, issued on April 21, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Dual-mode inverter system" was invented by Kazuma Fujiwara (Kobe, Japan) and Hiroaki Toyoda (Mishima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The dual inverter system includes a first inverter connected to one end of a stator coil of the motor and a second inverter connected to the other end. The controller can execute a dual mode in which the motor is driven by two inverters and a single mode in which the motor is driven by only one inverter. The controller closes the upper SW elements of all of the first and second inverters, opens all the lower SW element...