ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,691, issued on May 13, was assigned to Rivian IP Holdings LLC (Plymouth, Mich.).
"Method and apparatus for diagnosing motor phase connections" was invented by Huthaifa Mohammad Mahmoud Flieh (Torrance, Calif.) and Chia-Chou Yeh (Torrance, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Testing connections to phase windings of an electric motor upon startup includes, prior to entering a RUN state in which motor power commands are accepted from a user to perform work, applying to each respective phase of the electric motor a respective test voltage signal, measuring in each respective phase a respective current induced by the respective test vol...