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Continuously variable transmission

  • US 8,469,856 B2
  • Filed: 08/26/2008
  • Issued: 06/25/2013
  • Est. Priority Date: 08/26/2008
  • Status: Active Grant
First Claim
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1. A stator plate for a continuously variable transmission (CVT) having a plurality of traction planets arranged about a main drive axis, the stator plate comprising:

  • a substantially disc shaped body having a center arranged coaxially with the main drive axis;

    a plurality of radially offset guides arranged angularly about the center, each of the radially offset guides having a linear offset from a centerline of the disc shaped body;

    wherein the centerline of the disc shaped body is perpendicular to the main drive axis thereby forming a coordinate system, the coordinate system having a z-axis corresponding to the main drive axis, a y-axis corresponding to the centerline, and a x-axis perpendicular to the y-axis and z-axis;

    wherein the radially offset guides lie in a plane formed by the x-axis and y-axis; and

    wherein each traction planet is adapted to tilt in a plane formed by the y-axis and z-axis.

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