US Patent Issued to MITSUBISHI ELECTRIC on June 23 for "Refrigeration cycle device using refrigerants containing hydrocarbon and sulfur-based odorant" (Japanese Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,644, issued on June 23, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).

"Refrigeration cycle device using refrigerants containing hydrocarbon and sulfur-based odorant" was invented by Kengo Hiratsuka (Tokyo), Satoru Toyama (Tokyo), Kenji Kojima (Tokyo) and Manami Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration cycle device can include a refrigerant circuit that includes a compressor. A refrigerant can be enclosed in the refrigerant circuit, particularly where the refrigerant can contain a hydrocarbon having 1 to 4 carbon atoms and a sulfur-based odorant. The compressor can be filled with a refrigeration oil, where t...