Air purification device
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United States of America Patent
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Oct 18, 2016
Grant Date -
Aug 13, 2015
app pub date -
Aug 6, 2013
filing date -
Sep 14, 2012
priority date (Note) -
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Abstract
An air purification device includes a controller configured to perform a normal discharge operation in which a discharger generates streamer discharge to purify air, and an emergency discharge operation in which, in order to remove substances, which are components contained in air, adhering to electrodes of the discharger due to the normal discharge operation, a higher voltage than that in the normal discharge operation is applied to the electrodes to cause the discharger to generate spark discharge. The controller adjusts an application voltage such that a current value between the electrodes is maintained constant, and the upper limit V of the application voltage is set at a value greater than an inter-electrode distance of d×1.2 (V≧d×1.2).
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