Electronically commutated external rotor motor, has external rotor arranged at outer side of laminated core, and base part connected with supporting legs of core, where supporting legs support inner stator at base part

TLDR: In this article, an injection molded structure made of plastic and provided at the core of a stator motor is used to support the rotor shaft. But the rotor is arranged at an outer side (129) of the core such that a magnetically active air gap is formed between the rotor and the outer side of the stator.

Abstract: The motor (100) has an inner stator (110) with a laminated core (120) that includes a central inner recess (125). Bearing arrangements (130, 135) are arranged in the recess. An external rotor (150) is provided with a permanent magnet arrangement (140) that is fastened with a rotor shaft (160). The rotor is arranged at an outer side (129) of the core such that a magnetically active air gap (170) is formed between the rotor and the outer side of the core. A base part (180) is connected with supporting legs (121, 122) of the core, where the supporting legs support the stator at the base part. The motor has an injection molded structure that is made of plastic and provided at the core.