Patent · US Active

Working fluid composition for refrigerating machine and refrigerating machine oil

US9783762B2 · kind B2 · utility

1Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 2015
Grant dateOct 10, 2017
Priority date
Expiry dateJan 16, 2035

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/30
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides a working fluid composition for a refrigerating machine containing: a refrigerating machine oil containing, as a base oil, a mixed ester of (A) a complex ester synthesized from a polyhydric alcohol such as neopentyl glycol, a polybasic acid having 6 to 12 carbon atoms, a monohydric alcohol having 4 to 18 carbon atoms and the like, and (B) a polyol ester synthesized from a polyhydric alcohol such as neopentyl glycol and a monocarboxylic fatty acid having 4 to 18 carbon atoms, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and a refrigerant such as carbon dioxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.