http://www.novatorque.com/technology/demonstration.php The field pole has a conical end-surface, instead of the standard perpendicular end-surface. The coils in the NovaTorque motor are constructed of a simple winding of conductor material (copper in this case) around a bobbin. The rotor of the NovaTorque motor consists of two conical hubs mounted on opposite ends of the shaft. The conical surface of the hubs is a mate to the conical end-surfaces of the field poles. The conical hubs have an interior permanent magnet (IPM) placement. 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.


Comments

3 Comments so far

  1. Mark on October 4, 2011 11:14 PM

    great design ! if we can visualize the field then fit the components to take advantage then the result will be close to maximum efficiency, the cone shape extends outside the windings but is still in the field effect, has this design also been tried with neodymium mags ? this design also gives me some ideas to try that you may also be working on, and I also have a few designs for reciprocal elect. motors ,

  2. thirumoorthi.s on November 3, 2011 6:28 AM

    great design ! if we can visualize the field then fit the component to take the result will be close to maximum efficiency,the cone shape extends out side the winding but is still in the field effect, has this design also been tried with neodymium mags? this design also given me some ideas to try that you may also be working on and i also have a few designs for electrical motor

  3. Mark on November 3, 2011 7:19 AM

    whats up with the parrot ?

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