US Patent Issued to CRRC Nanjing Puzhen on Dec. 23 for "Driver controller control circuit with mechanical interlock structure of electromagnetic valves" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,067, issued on Dec. 23, was assigned to CRRC Nanjing Puzhen Co. Ltd. (Nanjing, China).

"Driver controller control circuit with mechanical interlock structure of electromagnetic valves" was invented by Hong Zhao (Nanjing, China), Zhi Chen (Nanjing, China), Jianhua Yong (Nanjing, China) and Haixia Huang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driver controller control circuit with a mechanical interlocking structure of electromagnetic valves includes a local cab control circuit, a remote cab control circuit and an intermediate garage. The local cab control circuit includes a local driver controller breaker, a local key bypass ...