ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,048, issued on June 24, was assigned to Carrier Japan Corp. (Tokyo).
"Refrigeration cycle apparatus" was invented by Hiroaki Matsumoto (Fuji, Japan), Toshiyuki Morimoto (Fuji, Japan) and Yasuharu Hayasaka (Fuji, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a refrigeration cycle apparatus includes a motor which including a plurality of phase windings in a mutually unconnected state, a first inverter which controls application of electric power to one ends of the phase windings, a second inverter which controls application of electric power to the other ends of the phase windings, switches connected between the oth...