ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,855, issued on Jan. 13, was assigned to Regal Beloit America Inc. (Milwaukee).
"Methods and circuits for line synchronization during transition of an electric motor between variable frequency inverter power and line frequency power" was invented by Md Naim Miah (Fort Wayne, Ind.), Michael R. Koller (Columbia City, Ind.), Ludovic Andre Chretien (Columbia City, Ind.) and Mehrzad Mohammadi Bijaieh (Fort Wayne, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system including an electric motor of a compressor system and a controller is disclosed. The electric motor includes an inverter and a contactor to operate the electric motor at variable frequ...