ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,818, issued on Aug. 4, was assigned to BSH Hausgerate GmbH (Munich).

"Motor drive system for a household appliance" was invented by Wenhuan Zhen (Xuzhou, China), Lei Yao (Nanjing, China) and Zhengwei Li (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor drive system, in particular for a laundry cleaning device, includes a controller, a motor drive module, and a motor. The motor includes a three-phase winding. Each phase winding includes at least two winding units. The motor drive module is configured to drive the motor to operate based on a control instruction of the controller. A winding switching module is respectively connected...