ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,031, issued on April 29, was assigned to Volvo Truck Corp. (Gothenburg, Sweden).

"Cooling system in a fuel cell electric vehicle and method of controlling a cooling system in a fuel cell electric vehicle" was invented by Vijai Shankar Bhavani Shankar (Gothenburg, Sweden) and Fredrik Blomgren (Hisings Karra, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cooling system in a fuel cell electric vehicle comprising a first chamber configured to contain relatively hot fluid and a second chamber configured to contain relatively cold fluid. The ratio of cooling power/fan power of a positive displacement device at a heat exchanger is monitored and th...