FAN OF EJECTOR TYPE WITH ELECTROSTATIC FILTER Russian patent published in 2017 - IPC F04D29/70 

FIELD: ventilation.

SUBSTANCE: fan contains a base and nozzles mounted on the base. The impeller and the motor for driving the impeller are installed in the base to create an air flow. The nozzle includes an air inlet, an air outlet and an annular body forming a nozzle passage through which air is sucked from outside the fan by air exiting the air outlet. An electrostatic filter is installed in the channel of the nozzle to purify the air, which is tightened through the channel of the nozzle.

EFFECT: power boost.

21 cl, 16 dwg