Non-contact torque sensor with permanent shaft magnetization
US9159481B2 · kind B2 · utility
0Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 21, 2010 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Mar 29, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F13/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for magnetizing an object includes first and second electrode for contacting the object to be magnetized as well as a current generator. The generator is configured to apply a current having a raising current slope and a falling current slope. The falling current slope is steeper than the raising current slope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.