ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,538, issued on May 5, was assigned to ROLLS-ROYCE PLC (London).
"Electrical system" was invented by Chandana J Gajanayake (Singapore) and Devinda A Molligoda (Nugegoda, Sri Lanka).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical system includes: a battery; a fuel-cell pack; a load electrically coupled to the fuel-cell pack; a switching arrangement electrically coupled to the battery, the fuel-cell pack and the load; a DC-DC converter; and a control system. The switching arrangement configures the electrical system in at least one of a battery-charge mode and a combined-drive mode. In the battery-charge mode the battery is coupled in series ...