More recent kinds of automated transmission, much like the semi-guide gearbox and CVT use other methods of electric power supply, and don't consist of torque converters. A torque converter can not realize one hundred pc coupling performance. The vintage three factor torque converter has an performance curve that resembles ∩: https://torque-converter-clutch53186.digitollblog.com/33793412/getting-my-torque-converter-clutch-to-work