US 11,988,442 B2
Refrigerator
Hyuckjin Kwon, Seoul (KR); and Daham Bae, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Jul. 6, 2021, as Appl. No. 17/368,025.
Claims priority of application No. 10-2020-0082767 (KR), filed on Jul. 6, 2020.
Prior Publication US 2022/0003494 A1, Jan. 6, 2022
Int. Cl. F25D 11/02 (2006.01); F25D 23/02 (2006.01); F25D 23/06 (2006.01); F25D 25/00 (2006.01); F25D 27/00 (2006.01); F25D 29/00 (2006.01)
CPC F25D 29/003 (2013.01) [F25D 11/02 (2013.01); F25D 23/028 (2013.01); F25D 23/066 (2013.01); F25D 23/069 (2013.01); F25D 25/005 (2013.01); F25D 27/005 (2013.01); F25D 29/005 (2013.01); F25D 2201/10 (2013.01); F25D 2700/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet having a storage space; and
a door configured to open and close at least a portion of the storage space,
wherein the cabinet comprises:
an inner case that defines the storage space, and
an outer case that surrounds the inner case and defines an outer appearance of the cabinet,
wherein the door comprises:
a panel assembly comprising:
a front panel that defines a front surface of the door and is made of transparent tempered glass, an upper end of the front panel being disposed above than the outer case,
an insulation panel spaced apart from the front panel and made of glass material, and
a spacer that is coupled between the front panel and the insulation panel and defines a first space,
an upper frame that defines an upper surface of the door and is connected to the panel assembly,
a lower frame that defines a lower surface of the door and is connected to the panel assembly,
a side frame that defines a side surface of the door and is connected to the panel assembly,
a door liner that is coupled to the insulation panel and defines a liner opening, and
an insulation material provided in a second space that is defined by the panel assembly, the upper frame, the lower frame, the side frame, and the door liner,
wherein the upper frame comprises:
a front wall disposed above the outer case and supported on the front panel,
a rear wall supported on the door liner, wherein a vertical length of the rear wall is greater than a vertical length of the front wall, and a lower end of the rear wall is disposed below a lower end of the front wall, and
a protruding wall that is disposed at the rear wall of the upper frame and defines a third space, and
wherein the refrigerator further comprises:
a magnet disposed within the third space, and
a reed switch disposed at the cabinet and configured to detect opening and closing of the door based on sensing the magnet.