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Continuously variable transmissions and methods therefor

  • US 9,371,894 B2
  • Filed: 06/27/2013
  • Issued: 06/21/2016
  • Est. Priority Date: 02/12/2007
  • Status: Expired due to Fees
First Claim
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1. A transmission comprising:

  • a plurality of traction rollers;

    a carrier assembly operably coupled to the traction rollers;

    an input element configured to transfer torque to the traction rollers, the input element comprising;

    a load cam having bidirectional load cam ramps, anda traction ring having bidirectional load cam ramps;

    an output element configured to transfer torque from the traction rollers;

    a shifter assembly configured to adjust an axis of rotation of the traction rollers;

    a hydraulic system operably coupled to the shifter assembly; and

    a lubrication system configured to provide lubricant to at least the traction rollers.

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