Title:
REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2021/225308
Kind Code:
A1
Abstract:
The present invention relates to a refrigerator. The refrigerator according to an embodiment of the present invention comprises: an evaporator for performing heat exchange; a defrost heater operated to remove frost formed on the evaporator; a temperature sensor for sensing ambient temperature around the evaporator; and a control part for controlling the defrost heater, wherein the control part performs a control operation to: perform a defrost operation mode in a case of reaching a defrost operation starting time point; perform, according to the defrost operation mode, a continuous operation mode in which the defrost heater is continuously turned on, and a pulse operation mode in which the defrost heater is repeatedly turned on or off; and reperform the continuous operation mode after performing the pulse operation mode. Accordingly, the present invention can enhance a defrosting efficiency and reduce power consumption.
Inventors:
SONG YOUNGSEUNG (KR)
PARK KYONGBAE (KR)
CHO YUNSU (KR)
CHOI SANGBOK (KR)
CHO NAMSOO (KR)
PARK KYONGBAE (KR)
CHO YUNSU (KR)
CHOI SANGBOK (KR)
CHO NAMSOO (KR)
Application Number:
PCT/KR2021/005055
Publication Date:
November 11, 2021
Filing Date:
April 21, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F25D21/00; F25D21/08
Foreign References:
| JP2012167896A | 2012-09-06 | |||
| KR20100032532A | 2010-03-26 | |||
| KR20040057156A | 2004-07-02 | |||
| JP2014052155A | 2014-03-20 | |||
| US8511102B2 | 2013-08-20 | |||
| KR20010026176A | 2001-04-06 | |||
| US6694754B1 | 2004-02-24 | |||
| KR20160053502A | 2016-05-13 |
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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