Electronically controlled CVTs? Electronically controlled CVTs? Jack Patton (Mechanical) (OP) 10 Aug 17 03:01 How do Electronically controlled CVTs, such as the one shown in this video https://www.youtube.com/watch?v=EDOgdL_5VWE , work? I'm familiar with centrifugally controlled CVTs but not very much with this type of CVT Thanks. RE: Electronically controlled CVTs? BrianPetersen (Mechanical) 10 Aug 17 03:28 A suitable mechanism drives one of the cones in or out relative to the other one, on one shaft, and the one on the other shaft has a tensioning mechanism in it. That "suitable mechanism" in this case appears to be a stepper or servo motor of some sort. In automotive applications, more commonly it's hydraulic. The electronics operate a directional valve that either pumps more fluid into the chamber behind one of the cones, or vents fluid out of that chamber. RE: Electronically controlled CVTs? enginesrus (Mechanical) 2 Oct 17 03:02 Is there always slippage between the pulleys and belt during all phases of operation in a CVT? RE: Electronically controlled CVTs? BrianPetersen (Mechanical) 2 Oct 17 03:04 The design intent is that there is not slip, but it's likely inevitable to be non-zero.