C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 171/02 (2006.01) C10M 105/38 (2006.01) C10M 105/48 (2006.01) C10M 107/20 (2006.01) C10M 107/24 (2006.01) C10M 107/32 (2006.01) C10M 107/34 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2377322
The invention relates to a refrigerator oil composition for compression refrigerators with carbon dioxide refrigerant therein, such as car air conditioners, refrigerators, freezers, air conditioners, heat pumps, etc. The base oil of the composition comprises an oxygen-containing organic compound as the essential component and has a kinematic viscosity at 100°C of from 5 to 50 mm2/sec, a viscosity index of at least 60, and a water content of at most 300 ppm.
L'invention concerne une composition lubrifiante pour machine frigorifique utilisant un réfrigérant à base de dioxyde de carbone (CO2), laquelle composition est destinée à être utilisée dans les machines frigorifiques à compression, telles que les climatiseurs automobiles, les réfrigérateurs, les congélateurs, les systèmes de climatisation, et les pompes à chaleur. Ladite composition comprend une huile de base, constituée principalement d'un composé organique oxygéné, caractérisée par une viscosité dynamique à 100 DEG C comprise entre 5 et 50 mm<2>/s, un indice de viscosité supérieur ou égal à 60, et une teneur en eau inférieure ou égale à 300 ppm.
Idemitsu Kosan Co. Ltd.
Smart & Biggar
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