HVAC/R system with variable frequency drive (VFD) power supply for multiple motors
US8299646B2 · kind B2 · utility
27Cited by
28References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2009 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Dec 17, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P5/74
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An HVAC/R system is configured with a variable frequency drive power supply which provides power to each of a compressor, a condenser fan, and a blower. In some embodiments, the compressor has a three-phase motor and the condenser fan has a single-phase motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.