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Refrigerator

  • US 9,303,913 B2
  • Filed: 08/29/2011
  • Issued: 04/05/2016
  • Est. Priority Date: 09/20/2010
  • Status: Active Grant
First Claim
Patent Images

1. A refrigerator comprising:

  • a cabinet defining a storage space;

    a heat exchange chamber defined in a side of the cabinet and configured to receive an evaporator;

    an ice making compartment defined in a region of the storage space and configured to define an insulation space for making ice; and

    a cool air duct configured to connect the heat exchange chamber to the ice making compartment and provide a passage for guiding a flow of cool air between the heat exchange chamber and the ice making compartment,wherein the cool air duct comprises;

    a first duct member that defines a first side of the cool air duct;

    a second duct member that defines a second side of the cool air duct, the second side of the cool air duct being opposite of the first side of the cool air duct;

    a plurality of cool air supply passages defined inside the cool air duct;

    a plurality of cool air return passages defined inside the cool air duct, the plurality of cool air return passages being isolated from the plurality of cool air supply passages; and

    an insulation part that includes an insulation material,wherein the first duct member includes;

    a first cover part including;

    a first outer surface part defining an outer surface of the first side of the cool air duct; and

    a first inner surface part defining an opposite surface of the first outer surface part;

    wherein the second duct member includes;

    a second cover part including;

    a second outer surface part defining an outer surface of the second side of the cool air duct; and

    a second inner surface part defining an opposite surface of the second outer surface part;

    wherein the insulation part is disposed between and inside of the first cover part and the second cover part,wherein the first inner surface part of the first cover part includes;

    a first plurality of recess parts; and

    a first plurality of protrusion parts which are alternately arranged with the first plurality of recess parts,wherein the second inner surface part of the second cover part includes;

    a second plurality of recess parts; and

    a second plurality of protrusion parts which are alternately arranged with the second plurality of recess parts,wherein the first plurality of recess parts of the first duct member face the second plurality of recess parts of the second duct member to establish the plurality of cool air supply and return passages defined inside the cool air duct, andwherein the first plurality of protrusion parts of the first duct member contact the second plurality of protrusion parts of the second duct member to partition the plurality of cool air supply and return passages from each other.

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