| 摘要 |
A modular brushless motor may be reconfigured for different applications and power levels. As one example, a modular fan enables the drive motor, the number of blades, or both, to be factory adjusted to accommodate different power and air-flow requirements. A brushless ring motor comprises a circular ferromagnetic ring having an inner surface and an outer surface rotatable about a central axis, with a plurality of spaced-apart permanent magnets being bonded to one of the inner surface and outer surfaces of the ring. A stator assembly enables one or more coils to be mounted relative to the permanent magnets enabling a commercially available electronic speed controller to the drive the coils in cooperation with the magnets so as to turn the ring. The stator assembly enables different groups of coils to be mounted relative to the permanent magnets, and the ring is configured to accept different numbers of fan blades. This allows the coils and blades to be mixed and matched to target various performance requirements.
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