ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,020, issued on Nov. 3, was assigned to Rivian IP Holdings LLC (Irvine, Calif.).
"High voltage battery capacitor bank and mid-bus pre-charging using a lower voltage battery" was invented by Zahra Mohajerani (Los Angeles), Vishnu Narayan Vipin (Torrance, Calif.) and Mohammad Nanda Rahmana Marwali (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for pre-charging buses of an electric vehicle include causing a first DC bus, while a high-voltage battery is decoupled from the first DC bus, to be pre-charged by a low-voltage battery using a first DC-DC converter coupled between the first DC bus and the low-voltage battery. The techni...