Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/079738
Kind Code:
A1
Abstract:
A refrigeration cycle device equipped with a refrigerant circuit (100) including a compressor (3), wherein a refrigerant is enclosed in the refrigerant circuit (100), the refrigerant contains a C1-4 hydrocarbon and a sulfur-based odorant, the compressor (3) is filled with refrigerator oil, the refrigerator oil contains a polyalkylene glycol, and the ratio of the number of oxygen atoms and the number of carbon atoms in the molecular structure of the polyalkylene glycol is 0.50 or less.
Inventors:
HIRATSUKA KENGO (JP)
NAKAMURA MANAMI (JP)
KOJIMA KENJI (JP)
TOYAMA SATORU (JP)
NAKAMURA MANAMI (JP)
KOJIMA KENJI (JP)
TOYAMA SATORU (JP)
Application Number:
PCT/JP2021/040982
Publication Date:
May 11, 2023
Filing Date:
November 08, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B1/00
Domestic Patent References:
| WO2021166028A1 | 2021-08-26 |
Foreign References:
| JP2002038135A | 2002-02-06 | |||
| JP2020112285A | 2020-07-27 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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