Patent ID: 6725680
Filing Date: 2004-04-27
Classification: F25B,F25D,Y02B

Abstract:
A dual compartment refrigeration appliance wherein a first compartment is to be maintained at a first temperature and a second compartment is to be maintained at a second temperature, comprising:a temperature selection input device for said first compartment, a temperature selection input device for said second compartment, at least one compressor, at least one evaporator, at least one fan for creating an air flow over said evaporator, air communication spaces between said evaporator and said two compartments, a first temperature sensor located in said first compartment a second temperature sensor located in said second compartment, a movable member to selectively close at least a portion of said air communication spaces leading from said evaporator to at least one of said compartments, and a control circuit to receive: an input from said temperature selection input device for said first compartment and said first temperature sensor and to produce a first error condition signal with a magnitude dependent on a difference between the selected temperature and the sensed temperature in said first compartment, an input from said temperature selection input device for said second compartment and said second temperature sensor and to produce a second error condition signal with a magnitude dependent on a difference between the selected temperature and the sensed temperature in said second compartment, said control circuit being configured to control a speed of said fan in response to a greater of said two error condition signals.