Ice maker fill tube assembly
DCFirst Claim
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1. A refrigerator freezer comprising:
- an outer wall spaced apart from an inner wall, said inner wall being formed with an opening; and
an ice maker assembly including;
a mold cavity for collecting liquid to be frozen; and
a fill tube for transporting liquid to the mold cavity, said fill tube including at least one vent formed along its length, wherein the fill tube extends through the opening in the inner wall with a clearance between said inner wall and said fill tube to permit a flow of air about the fill tube through the clearance.
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Abstract
An ice maker assembly in a refrigerator freezer includes a fill tube for transporting liquid to a mold. The freezer includes an outer wall spaced apart from an inner wall, with a plenum formed therebetween. An opening is formed within the inner wall, through which the fill tube extends with a clearance. Warm air generated by a defrost cycle passes through the clearance in the inner wall and around the fill tube, thereby warming the fill tube. In addition, the fill tube includes vents formed therein to allow active ventilation of the fill tube and to prevent ice formation within the fill tube.
37 Citations
14 Claims
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1. A refrigerator freezer comprising:
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an outer wall spaced apart from an inner wall, said inner wall being formed with an opening; and
an ice maker assembly including;
a mold cavity for collecting liquid to be frozen; and
a fill tube for transporting liquid to the mold cavity, said fill tube including at least one vent formed along its length, wherein the fill tube extends through the opening in the inner wall with a clearance between said inner wall and said fill tube to permit a flow of air about the fill tube through the clearance.
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2. An ice maker assembly comprising:
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a mold cavity for collecting liquid to be frozen; and
a fill tube for transporting liquid to the mold cavity, said fill tube including at least one vent formed along its length, wherein said ice maker assembly is positioned in a refrigerator freezer having an outer wall spaced apart from an inner wall, said inner wall including an opening through which the fill tube extends, said fill tube extending through the opening with a clearance between said inner wall and said fill tube to permit a flow of the air about the fill tube through the clearance. - View Dependent Claims (3, 4, 5)
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6. A refrigerator freezer comprising:
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an outer wall spaced apart from an inner wall, said inner wall being formed with an opening; and
an ice maker assembly including;
a mold cavity for collecting liquid to be frozen; and
a liquid fill tube for transporting liquid to the mold cavity, wherein the liquid fill tube extends through the opening in the inner wall with a clearance between said inner wall and said liquid fill tube to permit a flow of air about the fill tube through the clearance. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method of preventing ice from forming in an ice maker fill tube of a refrigerator comprising the steps of:
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generating a flow of warm air in a plenum located between an inner wall, which is formed with an opening, and an outer wall of a refrigerator freezer compartment by running a defrost cycle in the refrigerator; and
warming the fill tube, that extends through the plenum and the opening in the inner wall, by allowing the warm air to flow around the fill tube through a clearance formed between the fill tube and the opening of the inner wall. - View Dependent Claims (13, 14)
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Specification