The vintage torque converter design and style dictates that the stator be prevented from rotating less than any condition, therefore the phrase stator. In practice, nonetheless, the stator is mounted on an overrunning clutch, which stops the stator from counter-rotating with respect towards the key mover but enables forward rotation. https://torque-converter-clutch36913.nizarblog.com/34141003/torque-converter-clutch-for-dummies