Electrolytic capacitor comprising means for the sorption of harmful substances
US8081417B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2006 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Dec 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01G9/145
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrolytic capacitor is provided having an airtight casing, electrodes immersed in an electrolytic solution, electrical contacts connected to the electrodes, and a means (10, 43) for sorption of harmful substances. The means for sorption of harmful substances includes a polymeric housing (11, 12) permeable to the harmful substances but impermeable to the electrolytic solution and contain one or more getter materials (14, 45) for sorption of the harmful substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.