Electrostatic particle filtration
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United States of America Patent
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-
Apr 11, 1995
Issued Date -
N/A
app pub date -
Sep 22, 1993
filing date -
Feb 20, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An on board electrostatic filter for a vacuum cleaner is disclosed. The filter includes a pair of conductive filaments insulated from one another and disposed close together in a substantially parallel, side-by-side relationship. Circuitry is provided for applying an electrical potential difference between the two conductors. This dual filament conductor is preferably packed into a relatively small volume in a tortuous configuration, to form a random mesh, or can be oriented in a more regular serpentine configuration. Other embodiments describe the mesh electrostatic filter to purify air in an HVAC system.
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