Title:
HEAT EXCHANGER, POWER CONVERSION DEVICE PROVIDED WITH HEAT EXCHANGER, AND METHOD FOR MANUFACTURING INNER FIN FOR HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/002628
Kind Code:
A1
Abstract:
This heat exchanger has an inner fin that has heat conductivity and is disposed inside a flat path, wherein: the inner fin is formed by a plurality of fin sections, each of which has a protruding shape formed by a top surface section and side surface sections and has a hollow inside the protruding shape; when the direction in which the fin sections are formed and aligned side by side via a connection section is defined as a first direction, and the direction in which slits are formed between the fin sections and aligned side by side is defined as a second direction, the plurality of fin sections are disposed at predetermined intervals in the second direction; and the inner fin is disposed so that the first direction and the second direction respectively form acute angles with respect to flows of a refrigerant flowing through the flat path.
Inventors:
TAKAGI YUSUKE (JP)
KANEKO YUJIRO (JP)
KANEKO YUJIRO (JP)
Application Number:
PCT/JP2021/027394
Publication Date:
January 26, 2023
Filing Date:
July 21, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F28F1/40; F28D1/053; H02M7/48
Foreign References:
| CN209687594U | 2019-11-26 | |||
| JP2006064345A | 2006-03-09 | |||
| JPH10153394A | 1998-06-09 | |||
| JP2019126177A | 2019-07-25 | |||
| JP2013146736A | 2013-08-01 | |||
| JPH08226784A | 1996-09-03 | |||
| JPH07180984A | 1995-07-18 |
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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