US Patent Issued to Xiamen Hongfa Electric Power Controls on March 4 for "Short circuit current-resistant and arc-extinguishing DC relay" (Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,243,700, issued on March 4, was assigned to Xiamen Hongfa Electric Power Controls Co. Ltd. (Xiamen, China).

"Short circuit current-resistant and arc-extinguishing DC relay" was invented by Shuming Zhong (Xiamen, China), Wenguang Dai (Xiamen, China) and Meng Wang (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A DC relay for anti-short circuit current and arc extinction includes two static contact leading-out ends, a movable contact piece in a straight sheet type, a pushing rod assembly, a fixed upper yoke, a follow-up yoke and a lower armature. The fixed upper yoke is fixed above the movable contact piece, corresponding to a position betwe...