Control system for an aircraft galley cooler

Details Control system for an aircraft galley cooler Control system for an aircraft galley cooler

2005-01-25

2005-01-25

Tanner, Harry B. (Department: 3744)

Refrigeration

Automatic control

Of external fluid or means

C062S126000, C062S130000, C062S213000, C062S239000, C062S237000, C165S919000

Reexamination Certificate

active

06845627

ABSTRACT:
An aircraft galley air cooling system utilizes a controller having software for regulating the temperature within food carts within a galley air cooling unit. The cooling unit includes supply air and return air temperature sensors which measure the temperature of the air entering and exiting the food cart. The return air temperature is regulated by controlling the amount of a liquid refrigerant that flows through a heat exchanger within the cooling unit. If the return air temperature sensor fails, then the controller regulates the supply air temperature. The controller also regulates defrosting of the cooling unit.

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