US 11,719,474 B2
Refrigeration cabinet having two evaporators and operation method of the same
Lee-Long Chen, Taoyuan (TW); Chun-Yang Hung, Taoyuan (TW); Chia-Wei Chen, Taoyuan (TW); and Yi-Chung Chou, Taoyuan (TW)
Assigned to DELTA ELECTRONICS, INC., Taoyuan (TW)
Filed by DELTA ELECTRONICS, INC., Taoyuan (TW)
Filed on Sep. 10, 2020, as Appl. No. 17/17,661.
Claims priority of application No. 201910884236.9 (CN), filed on Sep. 19, 2019.
Prior Publication US 2021/0088261 A1, Mar. 25, 2021
Int. Cl. F25B 5/02 (2006.01); F25B 39/02 (2006.01); F25D 29/00 (2006.01); F25B 47/02 (2006.01); F25D 21/04 (2006.01)
CPC F25B 39/022 (2013.01) [F25B 5/02 (2013.01); F25D 29/00 (2013.01); F25B 47/02 (2013.01); F25B 2339/02 (2013.01); F25D 21/04 (2013.01); F25D 2700/02 (2013.01); F25D 2700/12 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A refrigeration cabinet, comprising:
a freezing compartment, the freezing compartment comprising a freezing compartment door;
an evaporator fan;
a first evaporator equipped in the freezing compartment; and
a second evaporator equipped in the freezing compartment, wherein the evaporator fan, the first evaporator, the second evaporator and the freezing compartment door are arranged in sequence, wherein as the freezing compartment door is opened, the first evaporator is turned off and the second evaporator is working, wherein the first evaporator comprises a refrigerant pipe and a plurality of heat dissipation fins, the second evaporator comprises a refrigerant pipe and a plurality of heat dissipation fins, and a density of the heat dissipation fins of the first evaporator is greater than a density of the heat dissipation fins of the second evaporator.