HEAD WEARABLE AIR PURIFIER
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Jul 27, 2022
filing date -
Jul 27, 2022
priority date (Note) -
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Abstract
The disclosure describes a head wearable air purifier that includes a filter assembly, a motor-driven impeller for creating an airflow through the filter assembly to obtain a filtered airflow downstream of the filter assembly, and at least one light source for emitting light in a far UVC portion of the electromagnetic spectrum. The head wearable air purifier further includes a light guide arranged to guide light emitted from the at least one light source to illuminate at least part of an upstream surface of the filter assembly for the decontamination thereof.
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