ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,309, issued on Feb. 18, was assigned to E.ON SVERIGE AB (Malmo, Sweden).
"Heat pump assembly and controlling of the same" was invented by Per Rosen (Lund, Sweden), Jacob Skogstrom (Lomma, Sweden), Fredrik Rosenqvist (Helsingborg, Sweden) and Bengt Lindoff (Bjarred, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heat pump assembly (100) is presented. The heat pump assembly (100) comprises a heat pump (110) having a primary side inlet (122) and a primary side outlet (124); a primary side inlet valve assembly (126) comprising: a primary side inlet connection (126a) connected to the primary side inlet (122), a primary side inlet valve first con...