Patent attributes
A stator (10) for an electronically commutated DC motor with a number of stator poles (1) formed as individual parts, consisting of a pole core (25), pole shoes (26) and return sections (27), in which the return sections (27) of the stator poles (1) have intermeshing profiles, on which they lie against each other, so that the return sections form a hollow cylindrical return (35) with each other, in which the pole cores (25) connect to the return sections (27) directed radially inward. The individual stator poles are each provided with an insulation and a winding, and the wound stator poles (1) are held together by a retaining part that does not serve as motor housing. The task of the present invention is to provide a stator for an electrically commutated DC motor, which can be mounted simply and reliably, and which facilitates assembly of the stator in the motor housing. This task is achieved by providing that the retaining part is a metallic clamping ring (4), which is positioned under bias around the entire periphery of the hollow cylindrical return (35) and tightens the stator poles (1) to each other.
