| 摘要 |
<p>A brushless motor (14, 56) provided with a hollow cylindrical stator (16, 64) has three pole shoes having respective excitation coils wound thereon (18, 66). A driving shaft (20, 58) is inserted in the stator (16, 64) and supports a magnetic element arranged near the coils and having a circular profile with alternating poles. A printed circuit board (32, 78), to which the connection ends of the coils (18) are soldered, is supported near an axial end of the stator (16, 64) and is provided with a hole (36, 80) surrounding the driving shaft.
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