Refrigeration-cycle equipment
US6871511B2 · kind B2 · utility
6Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2002 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Feb 20, 2022 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/26
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
Refrigeration-cycle equipment wherein an oil separator is installed as a refrigerant vessel in a part of the high-pressure-side circuit. A linear compressor of an oil-less type or an oil-poor type is used. Alternatively, the quantity of the CO2 refrigerant filled in the circuit is 0.25 kg or less per liter on the basis of the total internal volume of the circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.