AXIAL FAN WITH CENTRIFUGAL BLADES Russian patent published in 2015 - IPC F04D29/28 

FIELD: machine building.

SUBSTANCE: on rear surface of blades the air flow guides are rigidly installed, they are located in series from start of each blade to end and at angle 45 degrees to its axial line. The axial fan with centrifugal blades is intended for air supply to boilers and furnaces, and for flue gases removal, for material drying, for vehicle and machinery parts cooling, fan can be used in air separators to remove admixtures from corns, for active corn ventilation at warehouses, in corn dryers, in vehicles, tractors for engine cooling, in offices. This improves capacity by 1.5…2.0 times, air head by 1.2…1.5, and efficiency is up to 0.5…0.7.

EFFECT: increased fan capacity.

3 dwg