ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,794, issued on Dec. 9, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Vehicle energy storage systems including multiple DC-DC power converters" was invented by Dave Gerard Rich (Sterling Heights, Mich.), James Morrison (Sebringville, Canada) and Mohamed Kamel (Birmingham, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage system for an electric vehicle includes multiple battery modules, multiple DC-DC power converters, a DC bus configured to supply power to one or more loads, and a vehicle control module configured to obtain a temperature of each of the plurality of DC-DC power converters, assign a first output vo...