Prevention of emitter contamination with electronic waveforms
US7813102B2 · kind B2 · utility
17Cited by
10References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2008 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jan 7, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01T23/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for minimizing contamination buildup on corona emitters that are employed in an ionizer. Contamination buildup control is accomplished with solely electronic means. High voltage is applied to the emitters with waveforms that serve to push contaminants away from the emitter, rather than attracting contaminants toward the emitters. The results are fewer cleaning cycles, more time between cleaning cycles, and more stable ionizer operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.