Thermostat interface for a refrigeration system controller
US5039009A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1990 |
| Grant date | Aug 13, 1991 |
| Priority date | — |
| Expiry date | Jul 16, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/075
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An interface for use between a thermostat and a controller for an HVAC system comprising: means for receiving a plurality of parallel commands from a thermostat where each command represents one of two possible states; means for coverting each of the plurality of parallel commands into a plurality of predetermined values; means for combining the predetermined values in a predetermined manner; and means for transmitting the combined predetermined values to the controller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.