Through DC voltage and electromagnetic induction, electrical energy is converted into machinery to drive the rotation of the blades, which are collectively referred to as DC fan.

Secondo la classificazione principale, i fan possono essere divisi in due categorie: ventilatori assiali AC e fan del Centrifugo. Questi due tipi di fan hanno strutture diverse, diversi principi di lavoro e diverse caratteristiche operative.

According to the principle classification, fans can be divided into two categories: AC axial fans and centrifugal fans. These two types of fans have different structures, different working principles, and different operating characteristics.

According to the principle classification, fans can be divided into two categories: AC axial fans and centrifugal fans. These two types of fans have different structures, different working principles, and different operating characteristics.