Title:
HEAT EXCHANGER AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/054558
Kind Code:
A1
Abstract:
In a method for manufacturing a heat exchanger according to the present invention, a plate fin includes a brazing material layer on a surface and is formed by overlaying and brazing brazing sheets having flow path formation regions, a refrigerant flow paths are manufactured by using opposing flow path formation regions, and in the overlaid brazing sheets, a flow path cross-sectional ratio, which indicates the ratio of a joined flow path cross-sectional area after brazing relative to the unjoined flow path cross-sectional area formed by the flow path formation regions in an unjoined state prior to brazing, is within a prescribed range.
Inventors:
RI YASUYUKI
NAKAJIMA TAKAHITO
NAGOSHI KENJI
NAKAJIMA TAKAHITO
NAGOSHI KENJI
Application Number:
PCT/JP2021/030791
Publication Date:
March 17, 2022
Filing Date:
August 23, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B21D53/04; B23K1/00; F28D9/02; F28F3/08; F28F21/08
Foreign References:
| JP2016205755A | 2016-12-08 | |||
| JP2020101329A | 2020-07-02 | |||
| JP2002130977A | 2002-05-09 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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