Patent · US Expired

Ketone-containing working fluid for refrigerating cycle equipment and refrigerating cycle equipment having the same

US6197211A · kind A · utility

9Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 1999
Grant dateMar 6, 2001
Priority date
Expiry dateApr 20, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/50
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

There is disclosed a working fluid for refrigerating cycle equipment of refrigerant compression-type containing the refrigerant and a refrigeration lubricant for a refrigerator, wherein said refrigerant comprises a hydrocarbon having 2 to 4 carbon atoms and no halogen atom and said refrigeration lubricant comprises, as a main component, a ketone compound which is incompatible with said refrigerant. This working fluid demonstrates preferable performance even if the amount of the refrigerant is small.

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