ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,015, issued on Sept. 16, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Secondary cooling system for control modules" was invented by Gurhari Preet Singh (Toronto), Karl Bo Albert Mikkelsen (Peachland, Canada) and Rolf B. Karlsson (Grand Blanc, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling system includes a reactant material, a reactive material, a thermally managed control module, and a plunger. The reactive material is spaced apart from the reactant material. The thermally managed control module is configured to receive coolant from a coolant supply reservoir via a coolant supply channel. The plunger is movable b...