Title:
HEAT EXCHANGE UNIT AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/053550
Kind Code:
A1
Abstract:
In the present invention, connection piping (31) of a heat exchange unit (1) comprises second refrigerant piping (312) formed from a second metal that is more noble in electrical potential than a first metal of first refrigerant piping. The second refrigerant piping (312) comprises a first section (312a) that is curved so as to project upward. The first section (312a) comprises: a first curved section (312a-1) disposed on the side of the vertex (P) of the first section (312a) that is toward the first refrigerant piping (311); and a second curved section (312a-2) disposed on the side of the vertex (P) of the first section (312a) that is reverse of the first refrigerant piping (311). Provided is a cover member (51) or a coating film which adheres to the second refrigerant piping (312) and which covers the first curved section (312a-1) and the end of the second refrigerant piping (312) that is toward the first refrigerant piping (311).
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Inventors:
NAKANO HIROYUKI (JP)
AGO SHOTA (JP)
YAMAMOTO ATSUSHI (JP)
AGO SHOTA (JP)
YAMAMOTO ATSUSHI (JP)
Application Number:
PCT/JP2022/018454
Publication Date:
April 06, 2023
Filing Date:
April 21, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F24F13/20; F24F1/0059; F24F1/0067; F24F1/0068
Domestic Patent References:
| WO2013094386A1 | 2013-06-27 |
Foreign References:
| JP2012042169A | 2012-03-01 | |||
| JP2015140998A | 2015-08-03 | |||
| JP2015180851A | 2015-10-15 | |||
| JP2005262248A | 2005-09-29 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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