Ventilator driven by an electric motor

Abstract

Abstract In radial ventilators with an electric motor arranged in the impeller hub, there is a dependence between the motor and impeller diameters which determines the maximum possible air throughput for a predetermined impeller diameter. The object is, therefore, to provide a ventilator arrangement which, whilst having the smallest possible diameter, achieves an air delivery capacity increased in comparison with known versions. The electric motor is designed as an external rotor motor mounted on one side and having a central axle which is retained on one side and on which the stator stack is fastened and a common bearing arrangement for the outer rotor and the impeller is arranged. The central axle is assigned to the stator stack as a magnetically active component. The outer rotor is designed as a permanent-magnet rotor. The ventilator serves mainly for ventilating the interiors of motor vehicles. <IMAGE>

Inventors

• 👤 Manfred Dipl.-Ing. Altmann
• 👤 Edgar Zelle
• 👤 Karl-Heinz Dipl.-Ing. Oltmanns (Fh)

Bibliographic Details