FAN Russian patent published in 2023 - IPC F04D25/08 F04D29/32 

FIELD: cooling equipment.

SUBSTANCE: invention relates to the technique of axial fans and can be used for cooling systems of various devices; for pumping or removing air in various devices; for dust collection systems. A nine-bladed impeller is used in the axial fan, the blades of which have a variable thickness and thin from the center of the impeller to the edge of the blade, the edges of the impeller protrude beyond the inlet and outlet openings, which makes it possible to increase dynamic pressure and reduce noise, the use of a more powerful engine without changing the mounting dimensions provides an increase in the air flow generated by the fan, the fan housing is made of PA6 plastic, which makes it possible to increase its strength and electrical safety.

EFFECT: increase in the air flow, static pressure, structural strength, and noise reduction.

1 cl, 10 dwg