Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/167337
Kind Code:
A1
Abstract:
The present disclosure relates to an air conditioner including: a defrosting bypass valve disposed at a defrosting bypass pipe having one end connected to a middle point of the outdoor heat exchanger, and the other end connected to an inlet pipe of a compressor, and a processor configured to open and close the defrosting bypass valve according to temperature of a refrigerant in an outdoor heat exchanger, in which at the beginning of a defrosting operation, the processor opens the defrosting bypass valve to bypass a portion of the refrigerant in the outdoor heat exchanger to the inlet pipe of the compressor, and if the temperature of the refrigerant in the outdoor heat exchanger exceeds a reference temperature, the processor closes the defrosting bypass valve, thereby achieving defrosting performance at the early stage of the defrosting operation.
Inventors:
YUM HYUNGYUL (KR)
CHO EUNJUN (KR)
YOON PILHYUN (KR)
CHO EUNJUN (KR)
YOON PILHYUN (KR)
Application Number:
PCT/KR2021/002003
Publication Date:
August 26, 2021
Filing Date:
February 17, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F25B47/02; F25B13/00; F25B49/02
Foreign References:
| KR20180104416A | 2018-09-21 | |||
| JPH0730979B2 | 1995-04-10 | |||
| KR20140105431A | 2014-09-01 | |||
| KR20100119958A | 2010-11-12 | |||
| US20140245766A1 | 2014-09-04 |
Other References:
See also references of EP 4107454A4
Attorney, Agent or Firm:
PARK, Byung Chang (KR)
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