The traditional torque converter design dictates the stator be prevented from rotating less than any condition, therefore the expression stator. In exercise, having said that, the stator is mounted on an overrunning clutch, which helps prevent the stator from counter-rotating with regard towards the prime mover but allows forward rotation. https://torque-converter-clutch31863.blogspothub.com/33094992/not-known-factual-statements-about-torque-converter-clutch