Title:
空気調和機
Document Type and Number:
Japanese Patent JP7280526
Kind Code:
B2
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:
Hiroyuki Nakano
Shota Ago
Shota Ago
Application Number:
JP2021161628A
Publication Date:
May 24, 2023
Filing Date:
September 30, 2021
Export Citation:
Assignee:
Daikin Industries, Ltd.
International Classes:
F25B39/00; F24F1/0067; F24F1/0325; F24F1/14; F25B47/00; F28F19/06
Domestic Patent References:
| JP2013002682A | ||||
| JP2014095524A | ||||
| JP2020056572A | ||||
| JP2021018024A | ||||
| JP2010197017A | ||||
| JP2018061935A |
Foreign References:
| WO2015004719A1 | ||||
| WO2017081786A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation ATEN