Patent · US Expired

Chlorofluorinated fluids for absorption machines

US4647391A · kind A · utility

4Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1985
Grant dateMar 3, 1987
Priority date
Expiry dateDec 23, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K5/047
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Working fluid/solvent compositions for use in absorption heating and cooling equipment, which compositions comprise a chlorofluoroethane with a boiling point between -40.degree. and +50.degree. C. and at least one solvent with a boiling point above 100.degree. C., the solvent being at least one material having the formula: EQU C.sub.m Cl.sub.2m+1 --(CF.sub.2 --CFCl).sub.n --X wherein m is zero or one, n is an integer from one to four, and is at least two when m is zero, and X is hydrogen or chlorine, X being hydrogen only when m is one.

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