More recent sorts of automatic transmission, similar to the semi-manual gearbox and CVT use other ways of power delivery, and don't include things like torque converters. Torque converters are used in computerized transmissions given that they enable the vehicle to return to a complete halt with out stalling the motor https://torque-converter-clutch13566.worldblogged.com/40025974/not-known-factual-statements-about-torque-converter-clutch