US Patent Issued to Xiamen Hongfa Electric Power Controls on Feb. 24 for "High-voltage DC relay with permanent magnet arc extinguishing function" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,320, issued on Feb. 24, was assigned to Xiamen Hongfa Electric Power Controls Co. Ltd. (Xiamen, China).

"High-voltage DC relay with permanent magnet arc extinguishing function" was invented by Wenguang Dai (Xiamen, China), Liji Su (Xiamen, China), Wenhao Hua (Xiamen, China), Songsheng Chen (Xiamen, China), Meng Wang (Xiamen, China) and Yaoshan Hong (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high-voltage DC relay with permanent magnet arc extinguishing function includes two static contact leading-out terminals having static contacts; a movable contact piece having movable contacts; first permanent magnets around the movable conta...