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Electric machine having offset rotor sections

  • US 9,641,033 B2
  • Filed: 09/06/2013
  • Issued: 05/02/2017
  • Est. Priority Date: 09/06/2013
  • Status: Active Grant
First Claim
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1. A rotor shaft component comprising:

  • a longitudinal axle having a plurality of keybars extending outward from a surface of the longitudinal axle, wherein each of the plurality of keybars are disposed axially along and circumferentially around the longitudinal axle, further wherein an axis of the plurality of keybars is parallel to the longitudinal axle, wherein a portion each of the plurality of keybars overlap an adjacent keybar in a circumferential direction, wherein each of the plurality of keybars are configured to receive a corresponding key on a corresponding rotor section of a plurality of rotor sections, thereby defining a stacked rotor assembly having a step-skewed configuration.

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