The torque converter is exactly what transfers electricity from the engine towards the gearbox. It's really a fluid coupling that makes use of hydraulic stress to multiply the torque from the motor. The torque converter is designed up of 3 major parts: the pump, the turbine, and also the stator. https://filter-gearbox53185.blogitright.com/34223070/filter-gearbox-no-further-a-mystery