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Patent Searching and Data


Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/075075
Kind Code:
A1
Abstract:
The refrigeration cycle device according to the present disclosure is provided with a refrigeration circuit including a compressor, an outdoor heat exchanger, an indoor heat exchanger, and an expansion valve, a refrigerant being sealed in the refrigeration circuit. The refrigerant contains three components, i.e., R32, HFO1123, and R744. The mass ratio of the three components is inside a range, in a composition diagram in which the mass ratio of the three components is represented by triangular coordinates, surrounded by: a first straight line linking point A indicating the mass ratio of the three components R32, HFO1123, and R744 being 46 mass%, 54 mass%, and 0 mass%, respectively, and point B indicating the mass ratio of the three components R32, HFO1123, and R744 being 46 mass%, 37.2 mass%, and 16.8 mass%, respectively; a second straight line linking point A and point C indicating the mass ratio of the three components R32, HFO1123, and R744 being 0 mass%, 100 mass%, and 0 mass%, respectively; a third straight line linking point C and point D indicating the mass ratio of the three components R32, HFO1123, and R744 being 0 mass%, 85.7 mass%, and 14.3 mass%, respectively; and a first curve linking point B and point D. The mass ratios of all three components are greater than 0 mass%.

Inventors:
NISHIYAMA, Takumi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, JP)
MURATA, Kenta (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, JP)
Application Number:
JP2020/015260
Publication Date:
April 22, 2021
Filing Date:
April 03, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (Chiyoda-ku Tokyo, 10, JP)
International Classes:
F25B1/00
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, JP)
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