Electrically enhanced air filtration with improved efficacy
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United States of America Patent
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Apr 7, 2009
Grant Date -
Aug 17, 2006
app pub date -
Apr 11, 2006
filing date -
Nov 25, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter assembly particularly useful in electronically enhanced air cleaning systems including a fibrous filter media. A conductive electrode is affixed to the fibrous filter media, so that the conductive electrode makes physical contact to the fibrous filter media in a plurality of substantially planar locations. The conductive electrode is coupled to a potential that enables neutralizing charge that accumulates on the filter media during operation to be removed thereby maintaining high efficiency.
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