US Patent Issued to MAHLE International on July 14 for "Method for operating a refrigerant circuit" (German Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,722, issued on July 14, was assigned to MAHLE International GmbH (Stuttgart, Germany).

"Method for operating a refrigerant circuit" was invented by Dirk Bertsche (Rheinstetten, Germany), Amadeus Trubsbach (Stuttgart, Germany) and Sascha Lindauer (Schorndorf, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a method for operating a refrigerant circuit through which a refrigerant circulates, in which heat is transferred from a first heat source to the refrigerant in a first heat pump mode, and from a second heat source to the refrigerant in a second heat pump mode. Efficiency and heating capacity are increased t...