US Patent 10273010 Systems and methods for refrigerating galley compartments

A refrigeration system for providing cooled air to a plurality of galley compartments. The refrigeration system includes a plurality of galley compartments configured to receive therein at least one galley cart, a refrigeration unit configured to supply cooled air to the plurality of galley compartments, and an airflow supply and return system coupling the refrigeration unit to the plurality of compartments. The refrigeration system also includes a plurality of valves coupled in the airflow supply and return system for controlling flows of the cooled air through airflow supply and return system, each valve of the plurality of valves associated with a compartment of the plurality of compartments and a controller in control communication with the plurality of valves, the controller configured to control the plurality of valves to achieve a first temperature in a first galley compartment of the plurality of galley compartments and a second temperature in a second galley compartment of the plurality of galley compartments, the first temperature being different than the second temperature.