Patent · US Active

Method for selecting lubricants for heat pumps

US8322149B2 · kind B2 · utility

1Cited by
11References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 1, 2009
Grant dateDec 4, 2012
Priority date
Expiry dateSep 15, 2031

Classification

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

Abstract

Provided is a method for selecting a lubricant and a refrigerant for use in a vapor-compression refrigeration device such that the combination of the lubricant and refrigerant produces a fluid system having a lubricant-rich phase and a refrigerant-rich phase, yet exhibits miscible-type properties.

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