A range of 4 pole ferrite magnet reduction gear starters is described with outputs of 1.0 kW, 1.4kW and 1.7 kW. These show substantial weight savings by comparison with present direct drive wound field starters. High intrinsic energy ferrite segments with innovative pole shields provide a high resistance to demagnetisation.For lower power outputs, new designs of woundfield, direct drive starters provide the best cost/performance/weight compromise, geared ferrite magnet starters being lighter but too expensive. Direct drive ferrite magnet designs have inadequate stall torque to deal with hot starting problems.The influence of Neodymium-Iron-Boron permanent magnets on starter design is discussed.


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    Title :

    Permanent Magnet Geared Starters


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE International Congress and Exposition ; 1985



    Publication date :

    1985-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Permanent Magnet Geared Starters

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