| 摘要 |
The electrical machine has at least one movable part and at least one static part with magnetically interacting ferromagnetic poles, whereby the poles of at least one part are magnetisable by a winding carrying a current in the form of a closed annular coil (10) with a ferromagnetic band (20) wound in a helix around the coil, whereby the peripherally separate windings of the band form the magnetisable poles (21,22).
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