| 摘要 |
PURPOSE: A cool air return duct blocking device of a refrigerator is provided to prevent the backflow of the cool air from the outside of a cool air return hole to the cool air return hole by closing the cool air return hole with a blocking plate in case there is no pressure of the cool air restored to the cool air return hole. CONSTITUTION: A cool air return duct blocking device(300) of a refrigerator comprises a blocking plate, and a blocking plate support. The icing machine manufactures ice. The cool air supply duct supplies the cool air to the icing machine. A cool air return hole(133) is formed at the end of the cool air return duct(132) to return the cool air through the icing machine. The blocking plate opens the cool air return hole by rotating with pressure and the cool air return hole is blocked to prevent the backflow of the cool air. The blocking plate support(310) is coupled with the body of the cool air return duct around the cool air return hole and is connected to the blocking plate to be rotated.
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