AXIAL FAN AND AIR CONDITIONING UNIT WITH ITS OWN AXIAL FAN Russian patent published in 2018 - IPC F04D29/32 

FIELD: ventilation.

SUBSTANCE: present invention relates to an axial fan and an air conditioning plant, having such an axial fan. In the axial fan of the present invention, a plurality of blades rotate about the axis of rotation of the blades for transferring the fluid. In the axial fan, each of the plurality of blades has a leading edge at the front side in the direction of rotation, a rear edge at the rear side in the direction of rotation, and an outer peripheral edge connecting the front edge and the rear edge. Leading edge of one of the plurality of blades and the rear edge of the other blade, adjacent to the leading edge of the blade in the direction of rotation, are connected by a connecting part in the form of a plate. Each of the plurality of blades has at least one stiffening rib in the form of a plate, covering area from the periphery of the axis of rotation to the outer peripheral edge of the blade.

EFFECT: invention is aimed at reducing the weight of the axial fan, while maintaining the strength of the blades, as well as improving the efficiency of the blast.

15 cl, 54 dwg