ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,230,987, issued on Feb. 18, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).
"Power conversion device" was invented by Weiping Sun (Ningde, China), Zhimin Dan (Ningde, China), Zhanliang Li (Ningde, China), Shuyun Xiong (Ningde, China) and Yu Yan (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present application provides a method for pre-charging a power conversion device and a power conversion device. The power conversion device is configured to perform power conversion between a charging pile and a traction battery, and the method includes: receiving, by the power conversion device, a first...