Commutator radiator motor for driving impeller of radiator fan in motor vehicle, has impeller hub including inlets, and rotor fan that is formed as axial fan and arranged on motor shaft within armature rotor

摘要

The motor has a housing (10) including a rotor fan (9) and a bearing shield (12) that comprises openings (20, 21). An impeller (1) includes a fan vane (4), which is attached to an impeller hub (2), and an inner radial fan device. The impeller hub has inlets (19) that are arranged opposite to the openings of the bearings shield. The rotor fan is formed as an axial fan and arranged on a motor shaft (26) within an armature rotor (7). Radial openings (22) are provided at an outer side of the hub and arranged in a flow direction behind the fan vane.