Control system to delay the operation of a refrigeration heat pump apparatus after the operation of a furnace is terminated
US4703795A · kind A · utility
26Cited by
15References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1984 |
| Grant date | Nov 3, 1987 |
| Priority date | — |
| Expiry date | Aug 20, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/275
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A multistage space thermostat control system for controlling a refrigeration heat pump and a furnace controls the heat pump from a first stage of a space thermostat and a furnace from a second stage with anticipation circuit means associated with said thermostat control system which is changed in effectiveness depending upon the operation to reduce temperature swings in the space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.