COOLING FAN FOR MOTOR, COOLING FAN ASSEMBLY AND VEHICLE EQUIPPED WITH IT Russian patent published in 2017 - IPC F04D29/38 

FIELD: transportation.

SUBSTANCE: cooling fan comprises: the first blade shaft (100) carrying a plurality of blades (110); the second blade shaft (200) carrying a plurality of blades (210), mounted on the first blade shaft (100) and rotating relative to the first blade shaft (100); the drive motor connected to the first blade shaft (100) for rotating the first blade shaft (100); the torsion spring (300), the first end of which is connected to the first blade shaft (100), and the second end is connected to the second blade shaft (200).

EFFECT: creating a motor fan which can reduce the fuel consumption of a vehicle.

12 cl, 7 dwg