Film capacitor, and exterior case for film capacitor
US11437190B2 · kind B2 · utility
0Cited by
2References
25Claims
0Family size
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Key dates
| Filing date | May 27, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | May 27, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G4/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A film capacitor that includes a capacitor element having a metallized film including a resin film and a metal layer on a surface of the resin film; an outer case that houses the capacitor element; and a filling resin that fills a space between the capacitor element and the outer case, wherein a surface free energy of an inner surface of the outer case in contact with the filling resin is 44 mN/m or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.