US Patent Issued to Mitsubishi Electric on July 1 for "Motor drive apparatus, refrigeration cycle apparatus, air conditioner, water heater, and refrigerator" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,166, issued on July 1, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Motor drive apparatus, refrigeration cycle apparatus, air conditioner, water heater, and refrigerator" was invented by Yuhei Shimada (Tokyo) and Kazunori Hatakeyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor drive apparatus includes a connection switching device that switches a connection state of windings of a first motor by switches; an inverter that applies an alternating-current voltage to the windings; a first control device that controls the inverter and the connection switching device; and a second control device that controls a second motor for an el...