US Patent Issued to Nanjing Chervon Industry on Aug. 4 for "Power tool and control method thereof" (Chinese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,820, issued on Aug. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Power tool and control method thereof" was invented by Hong Zhu (Nanjing, China) and Pengchen Wang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes a housing, an electric motor, a driver circuit, a control module, and a current detection module. The control module is configured to: acquire a phase current value of the electric motor in real time within periodic time intervals; and turn off an on-state electronic switch within remaining time of a present time interval when the acquired phase current value exceeds a preset cur...