Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2020/184315
Kind Code:
A1
Abstract:
This heat exchanger comprises a fin (23) accommodated inside a tube (21). The fin has: joining parts (230a, 230b, 230c) that are folded in a wave shape at a prescribed fin pitch, the joining parts being such that the distal-end parts of the folded portions are joined to the inner surface of the tube; and non-joining parts (231a, 231b) that are not joined to the inner surface of the tube, the non-joining parts being formed longer than the prescribed fin pitch. In the tube, protruding parts (210a, 211a) are formed on outer wall surfaces (210, 211) facing the non-joining parts.
Inventors:
UNO TAKAHIRO (JP)
Application Number:
PCT/JP2020/009030
Publication Date:
September 17, 2020
Filing Date:
March 04, 2020
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F28D1/053; F28F1/10; F28F1/40; F28F1/42
Foreign References:
| JP2004263616A | 2004-09-24 | |||
| JP2014119244A | 2014-06-30 | |||
| JP2010025447A | 2010-02-04 | |||
| JP2018124034A | 2018-08-09 | |||
| JP2016200313A | 2016-12-01 | |||
| JP2004060920A | 2004-02-26 |
Attorney, Agent or Firm:
KAMATA, Toru et al. (JP)
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