Variator
![](../I/m/EvansFrictionConeHagley01.jpg)
![](../I/m/Evans_friction_cone_-_Hagley_Aug_2009.jpg)
The Evans friction cone, a type of cone ring transmission. Moving the friction ring between the two cones varies the effective gear ratio
A variator is a device that can change its parameters, or can change parameters of other devices.
Often a variator is a mechanical power transmission device that can change its gear ratio continuously (rather than in steps).
Examples
See also
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