Wisconsin Alumni Research Foundation

Technology

Lower Cost Motor for Electric Vehicles

A class of electric machine called an interior permanent magnet (IPM) can be used as a motor inside the wheel rotor of electric or hybrid-electric vehicles to power the wheels. One of the largest cost...
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Robert Lorenz, Natee Limsuwan, Takashi Kato | P120242US01

Technology

Motor for Electric Vehicles Solves Load/Loss Tradeoff

A class of electric machine called an interior permanent magnet (IPM) can be used as a motor inside the wheel rotor of electric or hybrid-electric vehicles to power the wheels. Conventional IPM machin...
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Robert Lorenz, Natee Limsuwan, Takashi Kato | P120243US01

Technology

Vernier Motor Uses Less Rare Earth Materials

Rare earth magnets, like neodymium and dysprosium, are used in permanent magnet (PM) motors found in wind turbines and hybrid/electric vehicles. The cost of rare earth materials is escalating because ...
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Thomas Lipo, Byungtaek Kim | P130317US01

Technology

Induction Motor Wastes Less Power

The induction machine is by far the most heavily used industrial motor, and ranges in size from a fraction of a horsepower to more than a megawatt. It produces torque by the electromagnetic interactio...
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Thomas Lipo, Prabhdeep Virk | P140055US01

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