The impeller (1) is rotated by the crankshaft and it converts the mechanical Electrical power on the crankshaft into kinetic energy by putting the fluid in motion. Along with the a few-passage torque converter, two passages are utilized for transmission oil (ATF) move in the torque converter and for clutch https://torqueconverterclutch35680.ampblogs.com/torque-converter-clutch-for-dummies-70683877