Heat exchange – Structural installation – Heating and cooling
Patent
1996-09-05
1997-08-12
Capossela, Ronald C.
Heat exchange
Structural installation
Heating and cooling
62237, 165 61, 165918, 165919, 219387, 312236, F25B 2900, A47J 3900
Patent
active
056555954
ABSTRACT:
An integrated refrigeration and rethermalization system includes a wall unit having a refrigeration system for producing refrigerated air and a convection heating system for producing heated air. A cart having hot and cold compartments for storing food items on trays is docked with the wall unit to receive refrigerated and heated air. A thermal barrier isolated the hot and cold compartments of the cart. The thermal barrier includes a plurality of thermal dividers filled with an insulating foam material. Each tray contains both hot and cold items and is positioned in the cart so that hot food items are located within the hot compartment and cold food items are located within the cold compartment. Movable damper doors within the wall unit control the flow of refrigerated and heated air from the wall unit to the cart. When the cart is docked with the wall unit, foods within both compartments are initially stored in a refrigerated state. At a desired serving time, the damper doors are moved to enable air to flow from the wall unit into the hot compartment while refrigerated air flow is maintained in the cold compartment. If needed, the rethermalization cycle can be extended by a manually activated boost cycle. After rethermalization is completed, the cart is undocked and transported to a food service area where the meals are served.
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Capossela Ronald C.
Standex International Corporation
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