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Electric drive shaft and retrofit system

  • US 8,781,661 B2
  • Filed: 06/01/2012
  • Issued: 07/15/2014
  • Est. Priority Date: 06/01/2012
  • Status: Active Grant
First Claim
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1. In a machine of the type having a transmission, a differential, and a drive shaft disposed therebetween, the improvement comprising:

  • a stator defining a substantially cylindrical opening extending therethrough;

    a rotor disposed to be rotated relative to the stator, the rotor attached to the drive shaft along a length thereof such that rotation of the drive shaft causes a corresponding rotation of the rotor, at least a portion of the drive shaft extending through the opening defined by the stator; and

    a coupling attached to the stator and the transmission and extending therebetween.

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