US Patent Issued to NIDEC POWERTRAIN SYSTEMS on April 8 for "Motor control device and electric pump device" (Japanese Inventor)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,065, issued on April 8, was assigned to NIDEC POWERTRAIN SYSTEMS Corp. (Kanagawa, Japan).

"Motor control device and electric pump device" was invented by Yasuhiro Shirai (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control device for a three-phase motor includes a drive circuit that converts DC power supply voltage into three-phase AC voltage and supplies the three-phase AC voltage to the three-phase motor, a first voltage detection unit that detects terminal voltage of three phases of the three-phase motor, and a control unit that detects a point at which a first voltage value, which is a detection value of the terminal voltage...