US Patent Issued to MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS on Oct. 7 for "Protection control unit for an inverter controlling current flow to a head capacitor" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,477, issued on Oct. 7, was assigned to MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD. (Tokyo).

"Protection control unit for an inverter controlling current flow to a head capacitor" was invented by Kyohei Watanabe (Tokyo) and Takayuki Takashige (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control device that includes an electric detection unit which detects an electric physical quantity relating to a head capacitor provided between a DC power supply and an inverter switching element; and a protection control unit which controls the inverter switching element in accordance with a change in the electric physical quantity so that no electri...