Pulsing electrostatic atomizer
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Oct 29, 1999
filing date -
Oct 30, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrostatic atomizer has a power source powering a charge injection device. The power source is arranged to vary the net charge injected by the charge injection device cyclically in accordance with a pattern of variation so that the net charge repeatedly increases to a higher value at or above a long-term breakdown value. The net charge injected is reduced by the power source to a lower value below the long-term breakdown value so that corona-induced breakdown is reduced. A method for electrostatically atomizing a fluent material is provided. The method includes the step of cyclically varying the net charge injected to reduce the occurrence of corona-induced breakdown.
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