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Electromotive drives

  • US 8,342,999 B2
  • Filed: 11/02/2011
  • Issued: 01/01/2013
  • Est. Priority Date: 10/28/2005
  • Status: Expired due to Fees
First Claim
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1. A variable speed transmission having a longitudinal axis, the transmission comprising:

  • a plurality of balls distributed radially about the longitudinal axis, each ball having a tiltable axis about which it rotates;

    an input disc in contact with each of the balls;

    an idler rotatable about the longitudinal axis and positioned radially inward of and in contact with each of the balls, the idler capable of transferring power;

    an output disc in contact with each of the balls; and

    an electricity-producing generator comprising;

    a non-rotating electrical stator coupled to a nonrotating component of the transmission; and

    a rotating electrical rotor coupled to a rotating component of the transmission.

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