Title:
HEAT EXCHANGER AND REFRIGERATING CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/125525
Kind Code:
A1
Abstract:
The heat exchanger according to the present invention is a heat exchanger that is equipped with a heat transfer tube through which a non-azeotropic refrigerant mixture flows, wherein the non-azeotropic refrigerant mixture comprises HFC32 and any of HFO-1234yf, HFO-1234ze(E), and tetrafluoropropene HFO-1234ze(Z), the proportion of the weight of HFC32 to the total weight of the non-azeotropic refrigerant mixture being in the range of 50-69%, and the heat transfer tube (20) after expansion has an equivalent-circle diameter (D) in the range of 1 mm≤D≤3.9 mm.
Inventors:
LEE SANGMU (JP)
MAKINO HIROAKI (JP)
MAKINO HIROAKI (JP)
Application Number:
PCT/JP2015/051078
Publication Date:
August 27, 2015
Filing Date:
January 16, 2015
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F28F1/32; F25B1/00; F25B39/00; F28D1/047; F28F1/02; F28F1/40; F28F9/16; F28F13/02
Domestic Patent References:
| WO2001067020A1 | 2001-09-13 |
Foreign References:
| JP2010047754A | 2010-03-04 | |||
| JP2012037085A | 2012-02-23 | |||
| JP2013011401A | 2013-01-17 | |||
| JPH10103718A | 1998-04-21 | |||
| JP2000130981A | 2000-05-12 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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