Title:
HEAT EXCHANGER, HEAT EXCHANGER UNIT, REFRIGERATION CYCLE APPARATUS, AND HEAT EXCHANGE MEMBER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/070312
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide: a heat exchanger in which an insertion hole of a header and an end of the heat exchange member can be joined appropriately; a heat exchanger unit; a refrigeration cycle apparatus; and a heat exchange member manufacturing method. A heat exchanger, a heat exchanger unit, a refrigeration cycle apparatus, and a heat exchange member manufacturing method according to the present invention involve being provided with a heat exchange member extending in a first direction, and headers having connected thereto ends, in the first direction, of the heat exchange member, wherein: the heat exchange member is provided with at least one heat-transfer pipe extending in the first direction, and fins each formed at a portion of an edge of said at least one heat-transfer pipe in a second direction intersecting with the first direction; the fins are each provided to a fin installation part at at least a portion other than the ends of the heat exchange member; and the width dimension, in the second direction, of said at least one heat-transfer pipe at the ends is smaller than the width dimension, in the second direction, of said at least one heat-transfer pipe in the fin installation parts.
Inventors:
MAEDA TSUYOSHI (JP)
YATSUYANAGI AKIRA (JP)
ISHIBASHI AKIRA (JP)
YONEDA NORIHIRO (JP)
YATSUYANAGI AKIRA (JP)
ISHIBASHI AKIRA (JP)
YONEDA NORIHIRO (JP)
Application Number:
PCT/JP2019/039964
Publication Date:
April 15, 2021
Filing Date:
October 10, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F1/16; B21D53/08; F28D1/053
Foreign References:
| JPH0396574U | 1991-10-02 | |||
| JPH10113731A | 1998-05-06 | |||
| DE202017102436U1 | 2017-11-24 | |||
| JP2016161147A | 2016-09-05 | |||
| JP2004279023A | 2004-10-07 | |||
| JP2018155479A | 2018-10-04 |
Other References:
See also references of EP 4043823A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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