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Patent Searching and Data


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 (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
KOIDE, Toru (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
MURATA, Kenta (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TONEGAWA, Toru (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
OTA, Toshiaki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/013722
Publication Date:
October 03, 2019
Filing Date:
March 30, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F28D7/02
Foreign References:
JP2012141076A2012-07-26
JPS4819258U1973-03-05
JP2006090697A2006-04-06
JP2005076915A2005-03-24
JPH09159388A1997-06-20
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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