FILTERING AND ABSORBING EMERGENCY PROTECTION BOX Russian patent published in 2022 - IPC A62B23/00 

FIELD: air purification.

SUBSTANCE: invention relates to the field of products for air purification, in particular, to gas mask technology. The filtering and absorbing emergency protection box comprises an outer cylindrical body with a neck, an anti-aerosol filter, a bottom with an inlet. The outer cylindrical body includes a neck with matching guides, a sealing pad and a unit in the form of a hollow cylinder tapering to the base secured inside, containing a catalyst with a desiccant in the form of a monoblock or bulk; an internal sorbing unit with a threaded or bayoneted neck for attachment to the front part, guides, a monoblock or bulk single- or multi-layer charge, holes in the lower part of the neck and protrusions along the perimeter; a splitter with a sealing pad and holes along the edge, as well as a controller.

EFFECT: provided reliable protection against carbon monoxide in an emergency situation.

1 cl, 6 dwg