ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,387, issued on Dec. 23, was assigned to Rivian IP Holdings LLC (Irvine, Calif.).
"Balanced motor cooling using cross flow" was invented by Venkata Harish Kumar Kunatharaju (Irvine, Calif.) and Dang Dinh Dang (Garden Grove, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Rotor channels extend axially in a rotor to provide flow of coolant in opposite directions to provide a more uniform thermal gradient. The rotor channels include a first rotor channel coupled to a first feed hole via an annulus and extending axially in a first direction to a first side hole, and a second rotor channel coupled to a second feed hole via an annulus and extending a...