Title:
HEAT EXCHANGER AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/047716
Kind Code:
A1
Abstract:
This heat exchanger 15a comprises heat transfer piping 6 through which refrigerant can flow, and a fan 7 in which are formed a plurality of through-holes 70 through which the heat transfer piping 6 can pass in the thickness direction. The plurality of through-holes 70 include: first through-holes 71 through which the heat transfer piping 6 passes, the first through-holes 71 being formed in a plurality of rows along a second direction intersecting a first direction in which the air flows from the upwind side toward the downwind side; and second through-holes 72 through which the heat transfer pipes 6 do not pass. In the fan 7, the first through-holes 71 include first regions A1 lined up along the second direction, and the second through-holes 72 include second regions B1 lined up along the second direction. The second regions B1 are adjacent to the first regions A1 on one or both first-direction sides, and are also adjacent to the first regions A1 on both second-direction sides.
Inventors:
KIMURA TSUYOSHI (JP)
TSUJI YOSHIYUKI (JP)
MORIKITA YUSUKE (JP)
TSUJI YOSHIYUKI (JP)
MORIKITA YUSUKE (JP)
Application Number:
PCT/JP2022/022910
Publication Date:
March 30, 2023
Filing Date:
June 07, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F28F1/32; F24F1/0067; F25B39/00
Domestic Patent References:
| WO2016079834A1 | 2016-05-26 |
Foreign References:
| JP2012229897A | 2012-11-22 | |||
| JP2015137806A | 2015-07-30 | |||
| JP2002115986A | 2002-04-19 | |||
| JPS6458995A | 1989-03-06 | |||
| JPS60128168U | 1985-08-28 | |||
| JP2016044830A | 2016-04-04 | |||
| JP2015127607A | 2015-07-09 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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