Patent ID: 9581377
Date: 2017-02-28
CPC Classifications: F25D

Claim:
1. A refrigerator comprising: an inner case including: a heat exchange chamber defined at a rear inside portion of the inner case; an evaporator received in the heat exchange chamber; a freezing compartment disposed in front of the heat exchange chamber; a grill pan partitioning the freezing compartment and the heat exchange chamber; a storage compartment defined inside the inner case and disposed above the freezing compartment, the storage compartment being convertibly maintained between a freezing compartment temperature and a refrigerating compartment temperature; and a refrigerating compartment defined inside the inner case and disposed above the storage compartment; a first supply duct vertically extending at a rear outside of the inner case, the first supply duct being disposed at a side portion of the inner case, for connecting the heat exchange chamber and the storage compartment and supplying cool air in the heat exchange chamber to the storage compartment; a second supply duct vertically extending at the rear outside of the inner case, the second supply duct being disposed at the side portion of the inner case, for connecting the heat exchange chamber and the refrigerating compartment and supplying cool air in the heat exchange chamber to the refrigerating compartment; a first return duct disposed vertically extending at the rear outside of the inner case and substantially at a central portion of a rear surface of the inner case, for connecting the storage compartment and the heat exchange chamber and returning the cool air in the storage compartment to the heat exchange chamber; a second return duct disposed vertically extending at the rear outside of the inner case and substantially at the central portion of the rear surface of the inner case, for connecting the refrigerating compartment and the heat exchange chamber and returning the cool air in the refrigerating compartment to the neat exchange chamber; and a guide duct disposed in the storage compartment and communicating with an outlet of the first supply duct, the guide duct including: