Eddy current brake with N impedence gaps
US5084640A · kind A · utility
24Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 4, 1990 |
| Grant date | Jan 28, 1992 |
| Priority date | — |
| Expiry date | Sep 4, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K41/0356
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A disk drive actuator includes automatic eddy-current braking capability, enhanced by simple modifications of coil-mount structure, such as a split damping ring DR and spaced-rib array DR-R.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.