Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2017/038834
Kind Code:
A1
Abstract:
Provided is a heat exchanger which improves the degree of ease of attaching fins and flat tubes. This outdoor heat exchanger (400) is provided with a plurality of fins (411) and a plurality of flat tubes (412). Each of the plurality of fins (411) is provided with a plurality of cut-out portions (421). At least one of the fins (411) is provided with bent portions (460) provided to edges of at least one of the cut-out portions (421). The bent portions (460) include a first bent portion (440) and a second bent portion (450). When viewed from the Y-axis direction, the distance (D1) between a first close portion (442) and a first base portion (441) in the X-axis direction, and the distance (D2) between a second close portion (452) and a second base portion (451) in the X-axis direction are respectively 0.2 to 0.9 times the distance (D3) across a flat tube (412) in the Z-axis direction. A flat tube (412) which has been inserted into the at least one cut-out portion (421) is in close contact with the first close portion (442) and the second close portion (452), and is not in contact with the first base portion (441) and the second base portion (451).
More Like This:
| JP3872996 | HEAT EXCHANGER |
| WO/2003/093748 | RADIAL FLOW HEAT EXCHANGER |
Inventors:
NAKANO HIROYUKI
ANDOU TOORU
ANDOU TOORU
Application Number:
PCT/JP2016/075361
Publication Date:
March 09, 2017
Filing Date:
August 30, 2016
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F28F1/32; F25B39/00; F28D1/053
Foreign References:
| JPH02154992A | 1990-06-14 | |||
| JP2015090266A | 2015-05-11 | |||
| JP2009186090A | 2009-08-20 | |||
| JP2014152955A | 2014-08-25 | |||
| JP2004257641A | 2004-09-16 | |||
| JPS5862496A | 1983-04-13 | |||
| JPH0395394A | 1991-04-19 |
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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