The moment within the coupling section, the returning fluid will reverse course and now rotate from the direction on the impeller and turbine, an effect that may try to ahead-rotate the stator. At this time, the stator clutch will launch and also the impeller, turbine and stator will all (roughly) https://torque-converter-clutch85162.blogzet.com/a-secret-weapon-for-torque-converter-clutch-49031658