US Patent Issued to Otis Elevator on June 16 for "Fault detection method and device for elevator power equipment and elevator system" (Chinese, American Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,986, issued on June 16, was assigned to Otis Elevator Co. (Farmington, Conn.).

"Fault detection method and device for elevator power equipment and elevator system" was invented by Guosong Li (Tianjin, China) and James Leo Hubbard III (Farmington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fault detection method and device for elevator power equipment and an elevator system. The method includes acquiring running speed data of an actuator in the elevator power equipment, and using the corresponding running speed data when the elevator is at a first speed and within a preset duration as target data; obtaining time-domain signal data of acce...