Patent ID: 9664422
Date: 2017-05-30
CPC Classifications: A47J,F25B,F25D

Claim:
1. A refrigerator-oven combination for an aircraft galley food service system, said refrigerator-oven combination having a heating mode for heating food items, and a refrigerator mode for cooling food and beverage items, the refrigerator-oven combination comprising: a thermally insulated compartment; a steam injection valve disposed in said thermally insulated compartment, said steam injection valve being configured to provide heated steam into said thermally insulated compartment for heating at least a portion of an interior of said thermally insulated compartment; an electric heater disposed in said thermally insulated compartment, said electric heater being configured to heat at least a portion of said interior of said thermally insulated compartment; a temperature sensor disposed in said thermally insulated compartment for measuring a temperature in the refrigerator-oven combination during said heating mode; a refrigeration unit configured to cool at least a portion of the interior of said thermally insulated compartment; and a control unit connected to said steam injection valve, said electric heater, said temperature sensor, and said refrigeration unit, said control unit being configured to monitor and control the temperature within said thermally insulated compartment during said heating mode and during said refrigerator mode.