Stator: Located involving the pump and turbine, it redirects fluid coming back from the turbine into the pump, improving upon performance by raising torque output at very low speeds. F (totally free-circulation point): at this time there isn't any load around the turbine, the speed ratio is very near 1, https://torque-converter-clutch53073.bcbloggers.com/33402151/torque-converter-clutch-an-overview