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ELECTRIC MACHINE

  • US 20070222304A1
  • Filed: 03/21/2007
  • Published: 09/27/2007
  • Est. Priority Date: 09/22/2004
  • Status: Active Grant
First Claim
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1. An electric machine, in particular synchronous machine, comprising;

  • a primary part having teeth, each tooth surrounded by a coil defining a coil axis;

    a permanent magnet arranged in each tooth and surrounded by the coil, with the permanent magnet extending in parallel relationship to the coil axis of the coil; and

    a secondary part having teeth which define with the teeth of the primary part an air gap, said secondary part constructed for guiding a magnetic field, wherein the permanent magnet defines a magnetization direction in parallel to an air gap plane of the air gap, with the magnetization direction reversing from tooth to tooth.

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