Magnetic spring system for use in a resonant motor
US8970072B2 · kind B2 · utility
10Cited by
11References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 2008 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Aug 9, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K33/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetic spring arrangement for a resonant motor including a housing, magnets fixed in position at opposing ends of the housing, a magnet positioned within the housing for movement toward and away from the fixed magnets in a reciprocal oscillating motion with a driving action produced by a stator coil and an AC drive signal, wherein an applicator member is attachable to the moving magnet for corresponding movement of a workpiece portion of the applicator member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.