Electromechanical switching device utilizing contacts on aluminum conductors and method of adhesion
US10714285B2 · kind B2 · utility
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6References
10Claims
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Assignee
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Key dates
| Filing date | May 21, 2019 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2205/002
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An electrical switching device and related methods, for use in aerospace applications include a first static contact assembly, a second static contact assembly, a movable contact assembly for making an electrical connection between the first and second static contact assemblies. The first contact assembly, the second contact assembly and the movable contact assembly each include a silver contact that is percussion welded to the aluminum substrate. Before percussion welding, the silver contact includes a projection for focusing an arc during percussion welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.