| 摘要 |
A magnetic coupling comprising: an outer support having an interior cavity defined by an cavity periphery and being rotatable around an axis of rotation, the outer support having a plurality of outer magnets arranged at or adjacent the cavity periphery; an inner support at least a portion of which is located within the cavity, the inner support being rotatable about an axis and having a plurality of inner magnets arranged around and at or adjacent to a periphery wherein the inner magnets and the outer magnets are arranged such that at a given time, at least a portion of at least some of the inner magnets are located between at least a portion of at least some of the outer magnets.
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