AXIAL VENTILATION DEVICE, PREMISES EQUIPPED WITH SUCH A DEVICE

摘要

The invention relates to an axial ventilation device comprising at least three axial fans disposed at the ends of a polygon. According to the invention, a single drive shaft is adapted to rotate at least the shahs of two axial fans. The invention also relates to a premises equipped with such an axial ventilation device.

主权项

1. An axial ventilation device comprising a plurality of axial fans, in which each axial fan comprises a case ring exhibiting symmetry of revolution extending longitudinally along an axis of the fan, a plurality of blades arranged inside the case ring and fixed to a hub, a shaft of the axial fan to which the hub is secured, said shaft extending along the axis of the axial fan, at least one motor designed to drive a drive shaft in rotation about the axis of rotation of said motor, in which the motor is situated on the outside of the case ring and the drive shaft is connected to the shaft of the axial fan by a coupling device so as to perform the rotary driving of the shaft of the axial fan, in which said axial ventilation device is characterized in that it comprises at least three axial fans arranged at the ends of a polygon and that one and the same drive shaft is designed to drive the rotation of at least the shafts of two axial fans.