| 摘要 |
<p>A magnetic power-split system (e.g. for use in an automotive powertrain in place of a dual mass flywheel (DMF)) comprises: an input member; an output member; a magnetic gear connecting the input member to the output member; and control means arranged to control the flow of power from the input member to the output member. The magnetic gear includes first and second sets of magnetic poles (e.g. a set of permanent magnets and a set of windings) and a set of pole pieces that modulate the magnetic field between the first and second sets of magnetic poles. The control means reduces the transmission of torque pulsation and/or oscillation from the input member to the output member. The number of magnetic poles in the first and second sets of magnetic poles, the number of pole pieces in the set of pole pieces, and the inertias of moveable elements in the magnetic gear may be selected to attenuate torque pulsation and/or oscillation in a bandwidth of frequencies. The control means may be used to control the flow of power from the input member to an energy sink means or from an energy supply means to the output member if the power required at the output member is different from a power at the input member.</p> |
