Patent attributes
A refrigerator appliance includes a fresh food working fluid circuit that couples a hot side heat exchanger, a fresh food cold side heat exchanger and a fresh food regenerator. A first pair of diverter valves and a hot side reservoir are coupled to the fresh food working fluid circuit. The hot side reservoir is positioned below one or both of the first pair of diverter valves. A freezer working fluid circuit couples a freezer cold side heat exchanger and a freezer regenerator. A second pair of diverter valves and a fresh food cold side reservoir are coupled to the freezer working fluid circuit. The fresh food cold side reservoir is positioned below one or both of the second pair of diverter valves. A liquid-liquid heat exchanger is also coupled to the fresh food working fluid circuit.