Dust collecting apparatus and air-conditioning apparatus
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United States of America Patent
Stats
-
Oct 21, 2003
Grant Date -
Jan 9, 2003
app pub date -
Oct 31, 2001
filing date -
Mar 3, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dust is electrostatically charged using an ion-releasing device adapted to release only ionized air with occurrence of a corona discharge, thereby reducing the amount of power consumed and the amount of ozone generated to the utmost. An electric dust collector includes a charging section having a discharging electrode and an earthed electrode, a dust-collecting section having a voltage-applied electrode and an earthed electrode and an air feed fan. Dust introduced into the dust collector is electrostatically charged by breaking the air insulation by a corona discharge occurring in the charging section to produce ionized air and then removed in the dust-collecting section where an electric field is formed. However, because the corona discharge is generated, there is a problem that the discharged current is large, and the amount of power consumed and the amount of ozone generated are large.
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