Electromagnetic formed contact surface
US6853276B2 · kind B2 · utility
14Cited by
5References
20Claims
0Family size
Inventor
Key dates
| Filing date | Sep 20, 2001 |
| Grant date | Feb 8, 2005 |
| Priority date | — |
| Expiry date | Sep 29, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetically actuable device includes a base. A magnetic core is fixedly mounted to the base. An armature is movably mounted to the base proximate the magnetic core. A coil is fixedly mounted to the base and is selectively energized to draw the armature to the magnetic core. The armature and magnetic core have mating surfaces adapted to provide three contact areas in a triangular configuration to provide minimal magnetic air gap and a stable interface when the coil is energized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.