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Continuously variable transmission

  • US 8,870,711 B2
  • Filed: 07/29/2013
  • Issued: 10/28/2014
  • Est. Priority Date: 10/14/2008
  • Status: Expired due to Fees
First Claim
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1. A skew actuator for a continuously variable accessory drive (CVAD) having a skew control system, the skew actuator comprising:

  • a hydraulic piston coupled to the CVAD, the hydraulic piston operably coupled to a first carrier member of the CVAD, the first carrier member comprising a plurality of radially offset slots formed in the first carrier member and arranged angularly about a longitudinal axis of the CVAD;

    a hydraulic control valve in fluid communication with the hydraulic piston; and

    a spool actuator coupled to the hydraulic control valve, the spool actuator configured to adjust the hydraulic control valve based at least in part on a desired skew condition of the CVT.

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