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Title:
HEAT EXCHANGER AND REFRIGERATION CYCLE DEVICE PROVIDED WITH HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2018/025391
Kind Code:
A1
Abstract:
The present invention is a heat exchanger and a refrigeration cycle device provided with the heat exchanger. In the present invention, a first piping includes a crest part protruding in a diameter increasing direction in which the diameter of the first piping increases, an inflow port for a heating medium and an outflow port for the heating medium communicated with a first flow path being formed in the first piping, and a trough part on which second piping is wound, the outside diameter of the trough part being smaller than that of the portion where the crest part is formed, the crest part being formed so as to spiral in the direction in which the heating medium in the first flow path flows, and the trough part being formed so as to spiral along the crest part and including a plurality of recesses formed so as to be arranged in a spiraling direction which is the formation direction of the trough part and be recessed in a diameter reduction direction in which the diameter of the first piping decreases.

Inventors:
HATANAKA, Kensaku (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TONEGAWA, Toru (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/073070
Publication Date:
February 08, 2018
Filing Date:
August 05, 2016
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; F24H1/18; F24H4/02; F25B1/00; F25B49/02; F28D1/047
Foreign References:
JP2012122686A2012-06-28
JP2008249163A2008-10-16
JP2009250461A2009-10-29
JP2011252676A2011-12-15
JP2014043963A2014-03-13
JP2008241173A2008-10-09
JP2006266592A2006-10-05
JP2012197956A2012-10-18
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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