Title:
HEAT EXCHANGER FOR AIR CONDITIONING
Document Type and Number:
WIPO Patent Application WO/2023/148917
Kind Code:
A1
Abstract:
This heat exchanger for air conditioning comprises: a plurality of fins disposed at intervals therebetween in a first direction; a heat transfer pipe which is provided passing through the plurality of fins and has a hairpin section that folds back at an end section in the first direction; and a holder that has a tube section in which the hairpin section is accommodated, wherein the heat transfer pipe has a first straight pipe section and a second straight pipe section that are side by side in the vertical direction, the first straight pipe section is positioned above the second straight pipe section, the hairpin section is provided between the first straight pipe section and the second straight pipe section and connects the first straight pipe section and the second straight pipe section, the outer circumferential surface of the hairpin section has a first hydrophilic section that is formed with a hydrophilic coating film in a portion positioned higher than the axis of the second straight pipe section in the vertical direction, and the inner circumferential surface in a lower surface section of the tube section has a second hydrophilic section that is formed with a hydrophilic coating film.
Inventors:
YAMAGUCHI KOSUKE (JP)
KAWASHIMA AYA (JP)
NAGAYAMA TATSURO (JP)
KAWASHIMA AYA (JP)
NAGAYAMA TATSURO (JP)
Application Number:
PCT/JP2022/004387
Publication Date:
August 10, 2023
Filing Date:
February 04, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F19/02; F28F9/013
Domestic Patent References:
| WO2021181683A1 | 2021-09-16 | |||
| WO2020165970A1 | 2020-08-20 |
Foreign References:
| JP2014214368A | 2014-11-17 | |||
| JP2014206325A | 2014-10-30 | |||
| JP2009243796A | 2009-10-22 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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