Refrigeration cycle
US6029459A · kind A · utility
18Cited by
10References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1998 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Apr 22, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S417/902
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A refrigerating apparatus comprising a refrigeration cycle comprising at least a compressor, a condenser, a dryer, an expansion mechanism and an evaporator, a refrigerant composed mainly of a fluorocarbon type refrigerant containing no chlorine and having a critical temperature of 40.degree. C. or higher, and a refrigerating machine oil comprising as base oil an ester oil of one or more fatty acids which contains at least two ester linkages ##STR1## in the molecule and has a viscosity at 40.degree. C. of 2 to 70 cSt and a viscosity at 100.degree. C. of 1 to 9 cSt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.