Patent ID: 7431677
Filing Date: 2008-10-07
Classification: B62D,B62M,F16H,Y10S,Y10T

Abstract:
1. A continuously variable transmission (CVT) comprising: a longitudinal axis; a first variator unit comprising: a first plurality of balls, each ball having a tiltable axis of rotation, the first plurality of balls arranged on a first plane perpendicular to the longitudinal axis, the balls arranged angularly about the longitudinal axis; a first disc in contact with the first plurality of balls, the first disc configured to be non-rotatable about the longitudinal axis; a first output disc in contact with the first plurality of balls; a first generally cylindrical idler in contact with the first plurality of balls, the first idler located radially inward of the first plurality of balls and mounted coaxially about the longitudinal axis; and a first rotatable cage adapted to support the first plurality of balls radially and angularly;