ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,570, issued on Nov. 18, was assigned to CRRC ZHUZHOU INSTITUTE Co. LTD (Hunan, China) and ZHUZHOU CRRC TIMES ELECTRIC Co. LTD. (Hunan, China).
"Electric traction system" was invented by Yu Qi (Hunan, China), Wenqing Mei (Hunan, China), Liangjie Liu (Hunan, China), Zechun Dou (Hunan, China), Xiong Liu (Hunan, China), Yuecheng Xie (Hunan, China) and Bin Liu (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an electric traction system, comprising: a step-down transformer comprising a primary winding for operatively coupling to an AC power supply and a secondary winding which is inductively coupled to the primary winding; a ...