US 12,281,833 B2
Refrigerator
Daham Bae, Seoul (KR); Daekil Kang, Seoul (KR); and Ohchul Kwon, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Dec. 15, 2023, as Appl. No. 18/541,485.
Application 18/541,485 is a division of application No. 17/368,167, filed on Jul. 6, 2021, granted, now 11,885,553.
Claims priority of application No. 10-2020-0082772 (KR), filed on Jul. 6, 2020; and application No. 10-2020-0082773 (KR), filed on Jul. 6, 2020.
Prior Publication US 2024/0118013 A1, Apr. 11, 2024
Int. Cl. F25D 11/00 (2006.01); F25D 1/00 (2006.01)
CPC F25D 11/00 (2013.01) [F25D 1/00 (2013.01); F25D 2201/126 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet defining a storage space; and
a door configured to open and close at least a portion of the storage space,
wherein the door comprises:
a panel assembly comprising (i) a front panel and (ii) an insulating panel spaced apart from the front panel,
a door frame connected to the panel assembly,
a door liner coupled to the door frame, the door liner having a liner opening, and
an insulator provided in an insulating space that is defined by the panel assembly, the door frame, and the door liner,
wherein the door frame comprises:
an injection portion configured to receive a foaming liquid therethrough to provide the insulator to the insulating space,
a front wall facing the front panel,
a rear wall spaced apart from the front wall, and
a connection wall connecting an end portion of the front wall to an end portion of the rear wall, the connection wall including an inclined portion that is inclined with respect to the front wall,
wherein the connection wall, the front wall, and the rear wall define an accommodation space that is partitioned from the insulating space, and
wherein the injection portion comprises:
a first portion that protrudes from the connection wall and is configured to guide the foaming liquid from an outside of the insulating space into the insulating space, and
a second portion defined at the inclined portion of the connection wall and configured to guide the foaming liquid within the insulating space.