US Patent Issued to Techtronic Cordless GP on Aug. 12 for "Sensorless motor assembly and method of controlling the same" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,379, issued on Aug. 12, was assigned to Techtronic Cordless GP (Anderson, S.C.).

"Sensorless motor assembly and method of controlling the same" was invented by Hai Ming Luo (Dongguan, China), Hai Bo Ma (Hong Kong) and Yong Sheng Gao (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a sensorless motor (32). The method contains the steps of determining a current speed of the motor (32); selectively using a first method, a second method, or a third method to determine a position of a rotor of the motor (32), depending on the current speed of the motor (32); and transmitting a drive signal to the motor (32) based on the d...