Title:
HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2019/187037
Kind Code:
A1
Abstract:
This heat exchanger is provided with: a large-diameter water pipe having a helical trough and having a water passage therein; and a refrigerant pipe which is wound along the trough, has a refrigerant passage therein, and has a diameter smaller than that of the water pipe. The trough has a groove formed therein, and the groove is filled with a brazing material.
Inventors:
KAWAI TAKAHIKO (JP)
KOIDE TORU (JP)
MURATA KENTA (JP)
TONEGAWA TORU (JP)
OTA TOSHIAKI (JP)
KOIDE TORU (JP)
MURATA KENTA (JP)
TONEGAWA TORU (JP)
OTA TOSHIAKI (JP)
Application Number:
PCT/JP2018/013722
Publication Date:
October 03, 2019
Filing Date:
March 30, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28D7/02
Foreign References:
| JP2012141076A | 2012-07-26 | |||
| JPS4819258U | 1973-03-05 | |||
| JP2006090697A | 2006-04-06 | |||
| JP2005076915A | 2005-03-24 | |||
| JPH09159388A | 1997-06-20 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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