| 摘要 |
PROBLEM TO BE SOLVED: To attain a lower inertia and an improvement in responsiveness and prevent resonance frequency by shaft twisting by simplifying the structure. SOLUTION: The dynamometer comprises a rotator 20 having a shaft part 21 in the center, a roller part 22 for placing a drive wheel of a vehicle to be tested on the circumference, and a field magnet 24 provided on the inner circumference of the roller part 22; a support part 25 for rotatably supporting the shaft part 21; and a stator 31 fixed to the support part 25 oppositely to the field magnet 24 in the radial direction to pass a magnetic flux in the radial direction. COPYRIGHT: (C)2005,JPO&NCIPI
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