More recent sorts of automatic transmission, such as the semi-guide gearbox and CVT use other methods of electricity supply, and don't include torque converters. In a torque converter you will discover a minimum of a few rotating components: the impeller, which is mechanically driven from the primary mover; the turbine, https://torque-converter-clutch75286.blogoscience.com/40247449/5-tips-about-torque-converter-clutch-you-can-use-today