US 11,740,002 B2
Refrigerator
Giseok Seong, Seoul (KR); Kyungseok Kim, Seoul (KR); Kyeongyun Kim, Seoul (KR); Seunguk Ahn, Seoul (KR); and Myungjin Chung, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 4, 2021, as Appl. No. 17/493,154.
Application 17/493,154 is a continuation of application No. 16/222,443, filed on Dec. 17, 2018, granted, now 11,143,447.
Claims priority of application No. 10-2017-0175056 (KR), filed on Dec. 19, 2017.
Prior Publication US 2022/0026134 A1, Jan. 27, 2022
Int. Cl. F25B 49/02 (2006.01); F25D 11/02 (2006.01); F25D 21/08 (2006.01); F25B 13/00 (2006.01); F25D 17/06 (2006.01); F25D 21/00 (2006.01)
CPC F25D 11/022 (2013.01) [F25B 13/00 (2013.01); F25B 49/02 (2013.01); F25D 17/065 (2013.01); F25D 21/006 (2013.01); F25D 21/08 (2013.01); F25B 2600/2511 (2013.01); F25D 2331/803 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a main body including a first chamber having a first target temperature and a second chamber having a second target temperature;
a first fan configured to supply cool air to the first chamber;
a second fan configured to supply cool air to the second chamber; and
a controller configured to:
perform a second chamber defrosting mode; and
perform an alternate cooling mode for cooling the first chamber and the second chamber after terminating the second chamber defrosting mode,
wherein, in the alternate cooling mode, the controller is configured to alternately perform:
a first chamber cooling mode by driving the first fan while stopping the second fan; and
a second chamber cooling mode by driving the second fan while stopping the first fan,
wherein the first target temperature is higher than the second target temperature, and
wherein the controller firstly performs the first chamber cooling mode to firstly cool the first chamber, and secondly performs the second chamber cooling mode to secondly cool the second chamber after terminating the first chamber cooling mode based on a temperature of the first chamber.