Patent ID: 7051539

Claim:
A convertible refrigerator freezer comprising: an insulated cabinet having an upper convertible compartment selectively operable by the user as an above freezing refrigerator compartment or as a below freezing freezer compartment, and a lower below freezing freezer compartment; insulation between the upper convertible compartment and the lower freezer compartment; a refrigerating system for the convertible refrigerator freezer including: an evaporator mounted adjacent the rear wall of the upper convertible compartment; an evaporator cover forming an evaporator compartment for separating the evaporator from the upper convertible compartment; an evaporator fan mounted in the evaporator compartment for drawing air from the lower freezer compartment through the insulation between the compartments and from the upper convertible compartment and circulating the air over the evaporator; an air tower for conveying refrigerated air from the evaporator fan to the lower freezer compartment through the insulation between the compartments; and a control for selectively discharging a first amount of refrigerated air through the evaporator cover to the upper convertible compartment when the control is set for operating the upper compartment as an above freezing refrigerator compartment, or a second larger amount of refrigerated air through the evaporator cover to the upper convertible compartment when the control is set for operating the upper convertible compartment as a freezer compartment.