Magnetic drive for a valve
US7648119B2 · kind B2 · utility
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4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 13, 2005 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Dec 8, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2007/086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A magnetic drive for a valve, in particular for a pneumatic or hydraulic valve, includes a movable armature (14) and a permanent magnet (20). The permanent magnet (20) is formed from a magnetic paste or a magnetic foil. In preferred embodiments, the permanent magnet (20) is integrated into the movable armature (14) and cooperates with a fixed solenoid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.