US 12,188,699 B2
Refrigerator
Hosan Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Jul. 13, 2021, as Appl. No. 17/374,179.
Application 16/815,701 is a division of application No. 15/172,361, filed on Jun. 3, 2016, granted, now 10,627,143, issued on Apr. 21, 2020.
Application 17/374,179 is a continuation of application No. 16/815,701, filed on Mar. 11, 2020, granted, now 11,073,317.
Claims priority of application No. 10-2015-0106878 (KR), filed on Jul. 28, 2015.
Prior Publication US 2021/0341194 A1, Nov. 4, 2021
Int. Cl. F25B 47/02 (2006.01); F25B 5/04 (2006.01); F25B 6/02 (2006.01); F25B 7/00 (2006.01); F25B 41/20 (2021.01); F25D 11/02 (2006.01); F28D 1/04 (2006.01); F28D 1/047 (2006.01); F28F 1/32 (2006.01)
CPC F25B 47/022 (2013.01) [F25B 5/04 (2013.01); F25B 6/02 (2013.01); F25B 7/00 (2013.01); F25B 41/20 (2021.01); F25D 11/022 (2013.01); F28D 1/0417 (2013.01); F28D 1/0477 (2013.01); F28F 1/325 (2013.01); F25B 2400/0403 (2013.01); F25B 2400/0409 (2013.01); F25B 2400/0411 (2013.01); F25B 2400/061 (2013.01); F25B 2600/2501 (2013.01); F25B 2600/2507 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a first refrigeration cycle that is configured to circulate a first refrigerant, and that includes a first compressor, a first condenser, and a first evaporator;
a second refrigeration cycle that is configured to circulate a second refrigerant, and that includes a second compressor, a second condenser, a second evaporator, and a third evaporator that includes a first pipe in which the second refrigerant is introduced into after having passed through at least one of the second compressor or the second condenser and a second pipe;
a first valve that is installed at an outlet side of at least one of the first compressor or the first condenser;
a hot gas path that is configured to extend from the first valve to the third evaporator, and that is configured to supply the first refrigerant to the third evaporator;
wherein the hot gas path is configured to extend from the third evaporator to the second evaporator.