DEFLECTOR Russian patent published in 2013 - IPC F24F7/08 

FIELD: ventilation.

SUBSTANCE: invention relates to devices providing initiation of natural extraction of polluted air due to wind pressure, cleaning it from dust and micro-organisms, and can be used in the fields of agroindustrial complex, characterised by a high bacterial contamination and dust content in the air of the work area, such as animal production and poultry industry. The proposed deflector eliminates the emission of dust and microorganisms in the atmosphere, improves the ecological situation while maintaining the effectiveness of operation of the ventilation system due to the fact that, in this deflector comprising a diffuser, a sidewall and an umbrella-cover with a thermal insulation layer and a protective screen, according to the invention, the diffuser is equipped with a replaceable filter which is mounted on supports formed in the upper inner cylindrical part of the diffuser, and from above it is pressed by a metal ring of rectangular cross section, which is fixed through the filter on the supports by detachable fixing connection.

EFFECT: elimination of dust and microorganisms in the atmosphere, improving the ecological situation, while maintaining the effectiveness of operation of the ventilation system.

1 cl, 1 dwg