Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/066153
Kind Code:
A1
Abstract:
An air conditioner according to the present embodiment comprises: an outdoor unit which includes a compressor, an outdoor heat exchanger, and a main expansion device, and in which a refrigerant circulates by means of a refrigerant pipe for connecting the compressor, the outdoor heat exchanger, and the main expansion device; and an indoor unit including an indoor heat exchanger, wherein the outdoor unit and the indoor unit are connected by means of a connecting pipe. The air conditioner has a cooling performance of 23-35 kW, a mixed refrigerant containing R32 of 50% or more is used as the refrigerant, and the refrigerant pipe includes a ductile stainless steel pipe having a delta ferrite matrix structure of 1% or less on the basis of a grain size area.
Inventors:
HONG SEOKPYO (KR)
Application Number:
PCT/KR2018/000560
Publication Date:
April 04, 2019
Filing Date:
January 11, 2018
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F25B41/00; C22C38/58; F24F1/26; F25B1/04; F25B9/00
Foreign References:
| JP2001304116A | 2001-10-31 | |||
| KR20140026607A | 2014-03-05 | |||
| KR20140147476A | 2014-12-30 | |||
| KR101550738B1 | 2015-09-08 | |||
| JP2011202838A | 2011-10-13 |
Other References:
See also references of EP 3690359A4
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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