ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,047, issued on May 13, was assigned to Volta Power Systems LLC (Holland, Mich.).
"Secondary power system" was invented by Bill Cavanaugh (Holland, Mich.) and Jack Johnson (Holland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A secondary power system is configured to connect to a motor vehicle having a powertrain comprising an engine and a first alternator. The secondary power system includes a second alternator connected to the engine, one or more electro-chemical storage devices coupled to the second alternator and configured to be charged by the alternator, and one or more inverter chargers. The inverter chargers may operate in a first mo...