ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,120, issued on Feb. 10, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Drive device for railway vehicle" was invented by Takuya Sugiyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive device for a railway vehicle operates by receiving power supply from an alternating-current overhead contact line or a three-phase generator. The drive device for a railway vehicle is configured such that a voltage output from a main transformer is applied to alternating-current input ends in a converter circuit via a first switch. A first phase voltage among voltages output from the three-phase generator is applied to an alternating-current input e...