Title:
HEAT EXCHANGER AND AIR-CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/053851
Kind Code:
A1
Abstract:
In this invention, a support plate (48) is provided at an end of a fin group (47). The end portions of a plurality of heat transfer tubes (50) form protruding parts (51) protruding from the support plate (48). The protruding parts (51) include a first protruding part (51a) and a second protruding part (51b). The first protruding part (51a) is connected to a protruding part (51) located adjacent to the first protruding part (51a). The second protruding part (51b) is connected to a flow passage conduit separate from the protruding part (51) located adjacent to the second protruding part (51b). The distance from the distal end of the second protruding part (51b) to the support plate (48) is shorter than the distance from the distal end of the first protruding part (51a) to the support plate (48).
Inventors:
NAKANO HIROYUKI (JP)
YAMAMOTO ATSUSHI (JP)
YAMAMOTO ATSUSHI (JP)
Application Number:
PCT/JP2022/033225
Publication Date:
April 06, 2023
Filing Date:
September 05, 2022
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F28F9/26; F24F1/0067; F25B39/00; F28D1/047; F28F21/08
Domestic Patent References:
| WO2013118762A1 | 2013-08-15 |
Foreign References:
| JPH09243291A | 1997-09-19 | |||
| JPS60139191U | 1985-09-14 | |||
| JP2019081186A | 2019-05-30 | |||
| JP2015064159A | 2015-04-09 | |||
| US20160061536A1 | 2016-03-03 | |||
| JP2017201220A | 2017-11-09 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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