Reluctance and lorentz-force-operated linear drive
US8922067B2 · kind B2 · utility
3Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 25, 2011 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Nov 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A linear motor for optical systems, for example, endoscopes, is described. The motor has a stator with a magnetic guiding member and a coil. The armature of the motor includes two permanent magnets which are of opposite polarity. A pole piece made of soft-magnetic material is provided between the permanent magnets. By applying current to the coil, the armature can be displaced from a rest position in the longitudinal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.