US 12,292,223 B2
Refrigerator
Ki Hwang Kim, Seoul (KR); Sung Hee Kang, Seoul (KR); and Won Ho Park, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 17/917,692
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Sep. 17, 2020, PCT No. PCT/KR2020/012587
§ 371(c)(1), (2) Date Oct. 7, 2022,
PCT Pub. No. WO2021/206238, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 10-2020-0042530 (KR), filed on Apr. 8, 2020.
Prior Publication US 2023/0152024 A1, May 18, 2023
Int. Cl. F25D 17/06 (2006.01)
CPC F25D 17/065 (2013.01) [F25D 2317/063 (2013.01); F25D 2317/067 (2013.01); F25D 2317/0682 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet having a refrigerating compartment and a freezing compartment;
a refrigerating compartment door having an ice-making compartment;
an evaporator located at the freezing compartment and configured to cool air;
a freezing compartment side grille fan assembly located at a front of the evaporator;
a refrigerating compartment side grille fan assembly connected to the freezing compartment side grille fan assembly; and
a connection duct that connects the freezing compartment side grille fan assembly to the refrigerating compartment side grille fan assembly and is configured to transfer air from the freezing compartment side grille fan assembly to the refrigerating compartment side grille fan assembly,
wherein the freezing compartment side grille fan assembly includes:
a freezing fan and an ice-making fan,
a first cool air passage configured to guide air blown by the freezing fan,
a second cool air passage configured to guide air blown by the ice-making fan,
extended passages that are defined at opposite end portions of a lower side of the first cool air passage, respectively, each of the extended passages extending to a lower portion of the freezing compartment, and
a shared passage configured to communicate the air blown by the freezing fan or the ice-making fan between the first cool air passage and the second cool air passage, the shared passage including a lower shared passage configured to supply a part of the air to any one of the extended passages.