SET FILTRATION VENTILATION UNIVERSAL TO PROVIDE AIR SUPPLY IN FORTIFICATION STRUCTURE Russian patent published in 2019 - IPC B01D46/44 B01D53/75 

FIELD: protection means.

SUBSTANCE: invention relates to means of collective protection of people and is intended to provide air supply and creation of excessive pressure in fortification structures in contaminated atmosphere. Universal filter and ventilation kit for providing air supply in a fortification structure comprises a filtration ventilation plant comprising an explosion-proof device for preliminary cleaning from coarse dust, air flow stimulator – electric hand fan, prefilter and filter-absorber for air purification from bacterial mixtures (BM), radioactive (RS), poisonous (PS) and strong poisonous substances (SPS) to required parameters. At the same time absorbing filter is made in form of detachable structure, which includes sorbent unit and anti-aerosol filter, and all elements are arranged in two cases of identical size, made with possibility of their installation on each other and connection by locks.

EFFECT: technical result consists in improvement of efficiency in installation and dismantling of article in fortification structure, ease during transportation, high degree of reliability and safety when using and protecting against vapors and gases of PS, RS, BM and SPS.

1 cl, 2 dwg