US Patent Issued to Mitsubishi Electric on Jan. 13 for "AC/DC converter, electric motor drive device and refrigeration cycle device" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,894, issued on Jan. 13, was assigned to Mitsubishi Electric Corp. (Tokyo).

"AC/DC converter, electric motor drive device and refrigeration cycle device" was invented by Hiroyuki Nakagami (Tokyo) and Hiroki Suzuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An AC/DC converter includes: a charge accumulation unit including first and second capacitors connected in series; a switching unit including a switch unit; a control unit; a switch drive unit; and first current and second current detection units. The switch unit includes first and second switching elements connected in series. The switching unit switches between charging and non-chargin...