No Rare Earth Metals for this Motor

An exciting new electric motor is promising to boost efficiency up to 30% while reducing overall costs.

NovaTorque's electric motor is eschewing the rare earth metals that have made similar motors so costly...

“The NovaTorque motor was designed to replace induction motors with a permanent magnet motor which has both higher efficiency and lower manufacturing cost,” John Petro, Chief Technical Officer of NovaTorque commented.

The motor uses ferrite magnets in place of rare earth metals like neodymium, which can cost up to 15% more. And while conventional induction motors rely on cylindrical magnets, NorvaTech's Premium Plus+ design uses conical magnets which are not only lighter, but also offer more surface area.

Here's the explanation straight from the NovaTorque website:

The flux concentration achieved with the combination of increased surface area at the end-surfaces of the field poles and IPM arrangement in the hubs makes it possible for the NovaTorque motor to use low-cost ferrite magnets, yet achieve efficiency and performance exceeding that of motors using rare-earth (neodymium) magnets.

The motor design also requires about half as much copper for conducting material, and 40% less steel than competing motors.

NovaTorque claims that the Premium Plus+ motors will provide:

• Much greater efficiency than existing motor technologies

• Higher torque in smaller sizes

• Better thermal performance

• Competitive pricing

Right now, their motors are available for commercial and industrial fan, blower, and pumping applications...

Considering that electric motors account for up to 50% of the electricity used today, NovaTorque's new design could be a serious energy saver.

And as China continues to tighten its grip on the rare earth metal market, designs like NovaTorque's should become more and more attractive as a way to save on costs.

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