Neck-worn air filtration device
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United States of America Patent
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Aug 4, 2015
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N/A
app pub date -
Jun 13, 2011
filing date -
Feb 23, 2007
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Abstract
A neck-worn personal air filtration device for providing a zone of filtered air around or near a user's breathing zone is described. The device comprises a blower, a hose, and a neck-worn plenum including a filter. Air blown from the blower, passes through the hose and into the plenum exiting the plenum. The air is filtered by a filter for breathing by the user.
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