Patent ID: 7089755

Claim:
An air duct system far a combined refrigerator of the forced air circulation type, comprising: a freezing compartment and a refrigerating compartment, which are superposed and separated by an intermediate wall, further comprising an air cooling compartment lodging an evaporator and a fan and presenting at least one circulated air inlet and at least one refrigerated air outlet directed to the freezing compartment and to the refrigerating compartment, wherein a body is mounted into the interior of the intermediate wall and defines a rear chamber opened to the circulated air inlet; a transversal through-duct centrally provided in front of the rear chamber and having an end maintained in fluid communication with the refrigerated air outlet, and an opposite end opened to the inside of the refrigerating compartment; and at least one first and one second return duct each presenting a rear end opened to the rear chamber and a front end opened to the interior of the freezing compartment and of the refrigerating compartment, respectively, the rear ends of the first and the second return ducts being positioned on opposite sides of the transversal through-duct.