Devices for removing particles from a gas comprising an electrostatic precipitator
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United States of America Patent
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Issued Date -
Feb 18, 2010
app pub date -
Aug 14, 2008
filing date -
Aug 14, 2008
priority date (Note) -
Abandoned
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Abstract
Air or gas cleaners enhance the uniformity of the current density between an emitter and one or more receptor electrodes by positioning one or more insulators or effective resistors between the emitter and the receptor electrode. Insulators and/or effective resistors are used to shield select portions, e.g. the edges of plate-type receptor electrodes, from ionization current flowing between an emitter and unshielded portions. This allows more compact structures without ionization current concentrations at the shielded regions, and results in lower ozone generation for a given particle collection efficiency.
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