| 摘要 |
An electric braking or clutching device includes a housing; an armature having an axis and disposed at the housing, the armature and the housing defining a radial air gap therebetween; and a coil configured to generate, when energized, a magnetic field at the housing and armature, a flux path of the field extending from the coil into the housing, from the housing into the armature, from the armature into the housing, and from the housing back to the coil, with the direction of the flux path from the armature into the housing being substantially radial in orientation.
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