| 摘要 |
A torque multiplier for converting an input torque to an output torque. A torque multiplier includes a cam mounted on a drive shaft for rotation therewith when an input torque is applied to the drive shaft, the cam providing a magnetic field that is radially asymmetrical relative to the drive shaft, a first output shaft for providing an output torque, and a magnet spaced apart from the cam and mounted to move relative to the cam in response to magnetic coupling forces between the cam and the magnet as the cam rotates, the magnet being operatively connected to drive the first output shaft, wherein magnetic coupling forces between the cam and the magnet return rotational energy to the drive shaft during part of the cam rotation.
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