| 摘要 |
PROBLEM TO BE SOLVED: To provide an eddy current decelerating apparatus which can generate power while braking a rotating shaft by an eddy current. SOLUTION: The eddy current decelerating apparatus comprises an annular body provided on the fixed side concentrically with respect to the rotating shaft, a plurality of cores provided at the annular body along the circumferential direction thereof at predetermined intervals, a conductive coil wound around these cores, a ring-shaped yoke located at the radial inside or outside of the annular body and provided at the fixed side, a plurality of permanent magnets provided at the yoke along the circumferential direction thereof while alternating the N pole and the S pole so that each magnetic pole opposes each core of the annular body, a ring-shaped rotor composed of nonmagnetic conductors provided at the rotating shaft between the annular body and the yoke, and a plurality of pole pieces of a magnetic body provided at the rotor to oppose the cores of the annular body and the permanent magnets of the yoke, respectively. COPYRIGHT: (C)2008,JPO&INPIT
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