Verwendung als Kältemittel in einer Kältekreislaufvorrichtung

Details

Veröffentlichungs-Nr.

EP4775657

Anmeldetag

8. Dezember 2022

Veröffentlichung

15. Juli 2026

Rechtsraum

EP

IPC

C10M171/00, C09K5/04

Abstract

There is provided a use as a refrigerant in a refrigeration cycle apparatus capable of suppressing decomposition of the refrigerant. In a use as a refrigerant in a refrigeration cycle apparatus (1), the refrigeration cycle apparatus having a refrigerant circuit (10) including a compressor (11), the compressor (11) including a compression element (21) that compresses the refrigerant, and an oil reservoir (37) that stores a refrigerating machine oil, the pressure of air inside the refrigerant circuit (10) being 667 Pa or less, the refrigerating machine oil containing 3.0 wt% or more and 5.0 wt% or less of an acid scavenger, the temperature of the refrigerating machine oil in the oil reservoir (37) being maintained at 120°C or lower, and the refrigerant being at least one of a mixed refrigerant containing 1,2-difluoroethylene and one or more types of hydrofluorocarbon, a mixed refrigerant containing 1,2-difluoroethylene and one or more types of hydrofluoroolefin, and a mixed refrigerant containing one or more types of hydrofluorocarbon and one or more types of hydrofluoroolefin.

Anmelder

Firma

Daikin Industries, Ltd.

Land

🇯🇵 Japan

Fachgebiete