| 摘要 |
A torque motor may include a rotor having at least two magnets disposed thereon, and a stator having a core and at least one coil. The magnets are arranged and constructed so that the outer surfaces thereof alternately have a N pole and a S pole. The magnets cover the rotor over an angle of less than 360 degrees. The core has a first and second magnetic pole elements. The magnetic pole elements are arranged and constructed such that an angle defined between a first straight line passing through a center of the first magnetic element and a center of rotation of the rotor and a second straight line passing through a center of the second magnetic element and the center of rotation of the rotor is less than 180 degrees.
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