Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/053568
Kind Code:
A1
Abstract:
Provided is an air conditioner 1 that performs air conditioning by connecting an indoor unit 2 having a first heat exchanger 11 through which a refrigerant for performing heat exchange with indoor air flows, and an outdoor unit 3 having a second heat exchanger 24 through which a refrigerant for performing heat exchange with outdoor air flows. The first heat exchanger 11 has a first heat transfer tube 11a1 made of aluminum or an aluminum alloy, and the second heat exchanger 24 has a second heat transfer tube 24a made of aluminum or an aluminum alloy. A first sacrificial layer 45a is formed on the outer circumferential surface of the first heat transfer tube 11a1, and a second sacrificial layer 35 is formed on the outer circumferential surface of the second heat transfer tube 24a. A maximum thickness to of the second sacrificial layer 35 is greater than a maximum thickness ti1 of the first sacrificial layer 45a. This inhibits corrosion of the heat transfer tube of the outdoor unit.
Inventors:
NAKANO HIROYUKI (JP)
AGO SHOTA (JP)
AGO SHOTA (JP)
Application Number:
PCT/JP2022/021142
Publication Date:
April 06, 2023
Filing Date:
May 23, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B39/00; F24F1/0067; F24F1/0325; F24F1/14; F25B47/00; F28F19/06
Domestic Patent References:
| WO2017081786A1 | 2017-05-18 | |||
| WO2015004719A1 | 2015-01-15 |
Foreign References:
| JP2018061935A | 2018-04-19 | |||
| JP2020056572A | 2020-04-09 | |||
| JP2021018024A | 2021-02-15 | |||
| JP2010197017A | 2010-09-09 | |||
| JP2020056572A | 2020-04-09 |
Attorney, Agent or Firm:
ATEN IP ATTORNEYS (JP)
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