US 12,442,579 B2
Refrigerator
Wonsu Kim, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on May 14, 2024, as Appl. No. 18/663,442.
Application 16/776,021 is a division of application No. 15/158,668, filed on May 19, 2016, granted, now 10,584,908, issued on Mar. 10, 2020.
Application 18/663,442 is a continuation of application No. 17/373,387, filed on Jul. 12, 2021, granted, now 12,013,169.
Application 17/373,387 is a continuation of application No. 16/776,021, filed on Jan. 29, 2020, granted, now 11,079,157, issued on Aug. 3, 2021.
Claims priority of application No. 10-2015-0070495 (KR), filed on May 20, 2015.
Prior Publication US 2024/0295356 A1, Sep. 5, 2024
Int. Cl. F25C 5/20 (2018.01); F25D 11/02 (2006.01); F25D 17/06 (2006.01); F25D 23/04 (2006.01); F25D 23/06 (2006.01); F25D 23/12 (2006.01)
CPC F25C 5/22 (2018.01) [F25D 11/02 (2013.01); F25D 17/06 (2013.01); F25D 23/04 (2013.01); F25D 23/068 (2013.01); F25D 23/126 (2013.01); F25C 2400/14 (2013.01); F25D 2323/024 (2013.01); F25D 2323/121 (2013.01); F25D 2323/122 (2013.01); F25D 2400/40 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet that includes (i) a refrigerator compartment located at an upper portion of the cabinet and (ii) a freezer compartment located at a lower side of the refrigerator compartment;
a refrigerator compartment door that is configured to open and close the refrigerator compartment and that includes a dispenser;
a hinge that is configured to rotatably connect the refrigerator compartment door to the cabinet;
a water purifying device that is located at the cabinet and that is configured to purify water;
a main water tank that is located at the refrigerator compartment and that is configured to receive and lower a temperature of the water from the water purifying device;
a sub-water tank that is located at the refrigerator compartment door and that is configured to further reduce the temperature of the water from the main water tank; and
a water supply path that is defined by connections between the water purifying device, the main water tank, the sub-water tank, and the dispenser and that is configured to guide the water with a reduced temperature and the purified water,
wherein the water supply path passes through the hinge, passes along an outside of the refrigerator compartment, and enters the refrigerator compartment door, and
wherein a volume of an inner space of the sub-water tank is greater than a volume of an inner space of a portion of the water supply path that is located at the outside of the refrigerator compartment.