The impeller (1) is rotated with the crankshaft and it converts the mechanical energy on the crankshaft into kinetic Electrical power by putting the fluid in motion. The stator sends the fluid returning from the turbine into the pump. This enhances the performance in the torque converter. Take note the https://torque-converter-clutch19527.rimmablog.com/33376383/not-known-details-about-torque-converter-clutch