CHEMICAL AND BIOLOGICAL PROTECTION MASK

摘要

A chemical and biological protection mask with dual-external-filter cartridges each having a photo catalytic Titanium Dioxide (TiO2) filter element, alone or in combination with activated carbon filter, combination hydrophobic-hydrophilic filter, and/or other elements, and a miniaturized high-intensity shortwave UV illumination tube internal to the mask itself illuminating both TiO2 filter elements with UVA energy, thereby generating hydroxyl radicals (OH—) which destroy microbes in the air.

主权项

1. A gas mask for operation in contaminated areas, comprising:
a mask portion for covering at least the nose and mouth of a user; a one way exhalation valve mounted on said mask portion; a UV-illumination tube in said mask portion, said UV illumination tube further comprising a central air passage and a plurality of UV lights arranged about said central air passage; at least one filter assembly mounted external to said mask portion and in fluid communication with said UV illumination tube, said at least one filter assembly comprising a filter housing and a photocatalytic TiO2 coated filter element contained inside said filter housing.