Outdoor fan control for variable speed heat pump
US5144812A · kind A · utility
33Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Jun 3, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In an outdoor unit of a heat pump having a variable speed compressor, the fan speed is controlled in response to both the speed of the compressor and the temperature of the outdoor refrigerant such that the operating efficiency of the fan and its driving motor can be optimized over a full range of compressor operating speeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.