ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,674, issued on June 24, was assigned to HUAWEI DIGITAL POWER TECHNOLOGIES Co. LTD. (Shenzhen, China).
"Powertrain and electric vehicle" was invented by Hao Wu (Xi'an, China), Jun Chen (Dongguan, China) and Quanming Li (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A powertrain includes: a motor control unit (1) including a housing (11) and a first functional unit (12) disposed in the housing (11) and capable of generating heat during operation; and a heat exchanger (2) disposed in the housing (11), where the heat exchanger (2) includes a first circulation channel (21) for a first cooling medium to circulate and a second circulation ...