US Patent Issued to Chengdu Monolithic Power Systems on July 15 for "BLDC motor system with reduced power loss and the initial rotation direction judging method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,692, issued on July 15, was assigned to Chengdu Monolithic Power Systems Co. Ltd. (Sichuan, China).

"BLDC motor system with reduced power loss and the initial rotation direction judging method thereof" was invented by Hongqiang Qin (Hangzhou, China), Yishan Ma (Hangzhou, China), Qiming Zhao (Hangzhou, China) and Licheng Sheng (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A BLDC motor system having a power stage, a hall sensor and a logical control circuit is discussed. The BLDC motor system improves performances by judging an initial rotation direction through the back electromotive force generated by the stator together with the i...