ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,513, issued on Feb. 10.
"Reverse liquid defrosting system and method" was invented by Cristiano Paoletti (Folignano, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "Reverse liquid defrosting system and method of a selected evaporator of a plurality of evaporators of a closed loop vapor cycle refrigeration system having a unique expansion device feeding all the evaporators in normal flow are provided. During defrost, the liquid refrigerant-that releasing heat in the selected evaporator became subcooled-is circulated to the remaining not-selected evaporators by the unique expansion device or eventually also by an auxiliary expansion device in ord...