| 摘要 |
An arrangement by which the air within an enclosure is ionized and cleansed. A high voltage source applies a DC potential across two electrodes in which one electrode is suspended from the ceiling, whereas the other electrode is supported by the floor of the enclosure. Radioactive substance is embedded within electrically insulating supporting members secured to the ceiling electrode. The radioactive substance ionizes the air within its proximity, and the ceiling electrode attracts the ions with valence opposite in sign to the potential of the ceiling electrode. The remaining ions are emitted within the space of the enclosure and serve to cleanse the air through removal of dust particles, and to further produce air with particularly desirable characteristics.
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