Electric dust collecting unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 14, 2003
Grant Date -
N/A
app pub date -
Nov 15, 2000
filing date -
Nov 15, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric dust collecting unit disclosed herein includes a corona discharging portion for giving rise to corona discharge to electrically charge cigarette smoke particulates, toner, and other floating particulates in air, an electric collecting portion disposed on a leeward side of this corona discharging portion, for electrically collecting the floating particulates charged at the corona discharging portion, and a box-type frame with its opposite surfaces opened, in such a configuration that the corona discharging portion has a plurality of needle electrodes which is disposed in such a way that their respective needle tips may be directed toward the leeward side (that is, with their backs directed toward a front face opening in the box-type frame).
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