FAN ASSEMBLY Russian patent published in 2019 - IPC F04D25/08 

FIELD: ventilation.

SUBSTANCE: fan assembly comprising a base comprising an air inlet, air outlet and means for creating an air flow through the base; nozzle installed with the possibility of removal on the base and designed to receive an air flow from the base and release the air flow; and a filter surrounding at least a part of the base and located downstream of the air inlet, moreover, the filter is held on the fan assembly, being enclosed between the nozzle and base part and having the possibility of movement with respect to the base and nozzle, while the filter is removable from the fan assembly only after removing the nozzle from the base.

EFFECT: invention is aimed at improving the fan design.

31 cl, 15 dwg