ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,193, issued on Aug. 18, was assigned to Huawei Digital Power Technologies Co. Ltd. (Shenzhen, China).
"Method for pulse heating power battery of electric vehicle and electric vehicle" was invented by Yankun Xu (Xi'an, China), Sen Cao (Xi'an, China) and Yang Cheng (Xi'an, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for pulse heating a power battery of an electric vehicle and an electric vehicle. A powertrain includes a first power circuit and a second power circuit. The method is used to control the second power circuit or a motor power circuit to generate a pulse alternating current on a direct current bus, and the pulse alternatin...