Methods and systems for operating HVAC systems in low load conditions
US10365025B2 · kind B2 · utility
1Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 2, 2015 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Oct 21, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A system comprising a compressor, a first valve coupled to the compressor and coupled to a first coil, a first expansion valve coupled to the first coil, a second coil, and a second expansion valve. The second expansion valve coupled to a third coil, a second valve coupled to the compressor and the third coil. A controller operable to operate the first valve, the first expansion valve, the second expansion valve, and the second valve. The second coil is coupled to the compressor and the refrigerant flows from the second coil to the compressor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.