US Patent Issued to Hong Kong Applied Science and Technology Research Institute on Sept. 15 for "Bi-directional solid-state DC circuit breaker with breaking speed control" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,436, issued on Sept. 15, was assigned to Hong Kong Applied Science and Technology Research Institute Co. Ltd. (Hong Kong, Hong Kong).

"Bi-directional solid-state DC circuit breaker with breaking speed control" was invented by Shek Mong Wong (Hong Kong, Hong Kong), Xin Li (Hong Kong, Hong Kong) and Tin Ho Li (Hong Kong, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional circuit breaker has Breaking Speed Control (BSC) to prevent false triggering when an upstream fault occurs. A semiconductor switch has a Metal Oxide Semiconductor Field Effect Transistor (MOSFET), an Insulated Gate Bipolar Transistor (IGBT), and a varistor in th...