ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,673, issued on May 26.
"Electric machine system" was invented by Koji Yamaguchi (Tokyo), Kenshiro Katsura (Tokyo), Takuya Shimotsu (Tokyo) and Satoshi Yazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The electric machine system includes an electric machine having a rotor and a coil; the power converter that outputs an output current to the coil of the electric machine; and a controller that controls the power converter. The controller includes a signal output unit that outputs a signal for controlling a mode of the output current to the power converter; and an abnormality detection unit that receives an abnormality signal indicating an ab...