According to the number of passages (ports) for controlling the oil move in the torque converter clutch, there are lots of varieties of torque converters: That is a feature outside of what a straightforward fluid coupling presents, that may match rotational velocity but will not multiply torque. Fluid-coupling–primarily based torque https://cesarmnljg.eedblog.com/34080385/torque-converter-clutch-fundamentals-explained