Control of space heating and water heating using variable speed heat pump
US5081846A · kind A · utility
33Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Sep 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
In an integrated heat pump and water heating system with a variable speed compressor drive, a variable speed indoor fan, and an expansion valve with a variable duty cycle the indoor fan speed is controlled as a function of a space heating load, and the compressor speed is controlled as a function of outdoor temperature and space heating load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.