System and method for operating an HVAC system controller
US11841152B2 · kind B2 · utility
0Cited by
12References
10Claims
0Family size
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Key dates
| Filing date | Oct 18, 2017 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Sep 23, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/1917
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An HVAC system controller is provided having a first output terminal electrically coupled to at least one component, and a second output terminal electrically coupled to the at least one component. A processing device controls the first output terminal and the second output terminal. If the first output terminal fails, the processing device changes a state of at least one of the first output terminal and the second output terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.