ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,145, issued on June 10, was assigned to MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS LTD. (Tokyo).
"Control device, electric compressor, control method, and program" was invented by Makoto Hattori (Tokyo), Toyohisa Kawashima (Tokyo) and Kyohei Watanabe (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for continuing the operation of an electric compressor even if the magnitude of ripple voltage exceeds a predetermined threshold value. A control device of an electric compressor is provided with: a detection unit for detecting the ripple voltage of the electric compressor which is driven by a battery; a determination unit for d...