Refrigerator

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe, and
• wherein the defrost heater cover includes:
• an insertion portion that is located at a side of the defrost heater cover and that inserts into the pair of frames;
• a fixed portion that is located at the side of the defrost heater cover, that is bent, and that contacts an inside surface of the pair of frames;
• and
• a coupling member that couples the defrost heater cover to the pair of frames through the fixed portion.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe, and
• wherein the defrost heater cover includes a pair of extension portions that extend downward and that are configured to guide defrost water to flow downward along the defrost heater cover to an outside of the defrost heater.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe,
• wherein the refrigerator further comprises a cover bracket that extends in a vertical direction and that couples the defrost heater cover to the refrigerant pipe, and
• wherein the cover bracket includes a lower end coupled to the defrost heater cover and an upper end coupled to the refrigerant pipe.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe,
• wherein the defrost heater cover includes a first inclined surface and a second inclined surface that are inclined symmetrically to each other with respect to a center of the defrost heater, and
• wherein the plurality of air holes are defined in the first inclined surface and the second inclined surface.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe,
• wherein the defrost heater cover includes an inclined surface that is inclined downward to an outside of the defrost heater and that is configured to guide defrost water downward toward the outside of the defrost heater along the inclined surface, and
• wherein the plurality of air holes are defined in the inclined surface.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe, and
• wherein the defrost heater cover includes a shielding portion that extends from an edge of each air hole of the plurality of air holes to thereby cover at least a portion of each air hole of the plurality of air holes.

A refrigerator comprising:

• a cabinet defining a refrigerating chamber and a freezing chamber that are arranged in a lateral direction;
• a refrigerant pipe disposed at a rear side of the freezing chamber and bent one or more times, the refrigerant pipe extending in a vertical direction;
• a plurality of heat-exchange fins through which the refrigerant pipe passes;
• a pair of frames spaced apart from each other in the lateral direction and supporting both sides of the refrigerant pipe;
• an auxiliary defrost heater provided at an upper portion of the refrigerant pipe and configured to heat an upper region of the refrigerant pipe during a defrosting operation;
• a defrost heater disposed below a lower end of the refrigerant pipe and configured to heat the refrigerant pipe and air outside the refrigerant pipe during the defrosting operation;
• and
• a defrost heater cover disposed between the defrost heater and the lower end of the refrigerant pipe and covering an upper portion of the defrost heater,
• wherein the defrost heater cover defines a plurality of air holes that allow air heated by the defrost heater to flow upward to the refrigerant pipe,
• wherein the defrost heater cover includes:
• a flat surface portion that extends in a longitudinal direction of the defrost heater;
• and
• inclined portions that extend outward from both sides of the flat surface portion and that slope downward toward an outside of the defrost heater, and
• wherein the plurality of air holes are defined in the flat surface portion.