The impeller (1) is rotated by the crankshaft and it converts the mechanical Electrical power with the crankshaft into kinetic Strength by putting the fluid in movement. The Torque Converter Clutch (TCC) mechanically locks the engine towards the transmission by connecting the impeller Using the turbine via a damp clutch. https://torqueconverterclutch87417.glifeblog.com/33196114/torque-converter-clutch-an-overview