发明申请
US20080307970A1 NECK-WORN AIR FILTRATION DEVICE 审中-公开
NECK-WORN空气过滤装置

NECK-WORN AIR FILTRATION DEVICE
摘要:
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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