The impeller, sometimes known as a pump, is connected to and spins with the engine’s crankshaft. Because the impeller spins, its blades catch fluid, and centrifugal power pushes the fluid to the surface from the impeller. Torque converter equations of motion are ruled by Leonhard Euler's eighteenth century turbomachine equation: https://torqueconverterclutch97418.ziblogs.com/34088631/details-fiction-and-torque-converter-clutch