Two-stage centrifugal compressor with extended range and capacity control features
US9382911B2 · kind B2 · utility
14Cited by
21References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2014 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Sep 8, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/13
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
One exemplary embodiment of this disclosure relates to a centrifugal refrigerant compressor system. The system includes a condenser, an evaporator, and an economizer between the condenser and the evaporator. The system further includes a centrifugal compressor having a first impeller and a second impeller downstream of the first impeller. The compressor includes at least one port. Fluid from a recirculation flow path and an economizer flow path is introduced into a main flow path of the compressor by way of the at least one port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.