Patent ID: 7721564

Claim:
A wild frequency avionic galley refrigeration system chiller unit comprising: a housing including a cavity configured to store comestible items, and a door coupled with the housing, the door being movable between a closed orientation for sealing the cavity and an open orientation for accessing or disposing comestible items in the cavity; a vapor cycle system disposed in the housing for chilling comestible items in the cavity, the vapor cycle system including a brushless DC compressor motor, a brushless DC condenser motor, a brushless DC evaporator motor and a plurality of sensors configured to output operating parameter data relative to the cavity and the vapor cycle system; a power module disposed in the housing, the power module configured to convert a wild frequency AC input voltage to at least one DC output voltage; a motor control module disposed in the housing, the motor control module being in communication with the brushless DC compressor motor, the brushless DC condenser motor and the brushless DC evaporator motor; and a processing module disposed le being in communication with the plurality of sensors and the motor control module, wherein the processing module, according to the operating parameter data, outputs control signals to the motor control module for independently driving the brushless DC compressor motor, the brushless DC condenser motor and the brushless DC evaporator motor.