Electrostatic dust collector
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United States of America Patent
Stats
-
May 5, 1987
Grant Date -
N/A
app pub date -
Jun 2, 1986
filing date -
Jun 2, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrostatic dust collector is provided with an electrode unit including first and second electrodes arranged to oppose each other across a solid insulator and having positive and negative potentials respectively applied thereto, the second electrode being so disposed that a leading edge portion thereof is located at a position inwardly of a leading edge portion of the first electrode. A gas passageway is formed on a side of the second electrode opposite the first electrode, and an electrically conductive filter element is arranged in the gas passageway so as to be in contact with the second electrode. A gas to be purified, such as air, is forcibly passed through the passageway by a motor-driven fan. The filter element consists of a material, such as steel wool, made up of a multiplicity of fine fibers to provide a large surface area. Owing to its electrical contact with the second electrode, the filter element traps airborne particles on the fine fibers by electrostatic induction.
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