Brake and stall detector for a motorized actuator
US6097123A · kind A · utility
20Cited by
15References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1999 |
| Grant date | Aug 1, 2000 |
| Priority date | — |
| Expiry date | Jun 3, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/116
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An actuator for an HVAC system includes a motor coupled by an electrically operated clutch to a gear train which drives an output connector. A spring is connected to the transmission to drive the output connector to a normal position in the event of a power failure. A control apparatus is connected to the transmission and provides the combined functions of a magnetic eddy current brake and a motion sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.