HVAC actuator with internal heating
US8084980B2 · kind B2 · utility
10Cited by
196References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2009 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Apr 23, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/2614
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An HVAC actuator configured to function in cold environments by providing a supplemental current component to an HVAC actuator in order to generate supplemental heat to warm the HVAC actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.