Torque converter usually takes advantage of the centrifugal force and throws the oil from it. It works like an oil pump. Fluid from within the converter casing spreads through the turbine. The turbine absorbs this fluid and starts off rotation. It can be immediately connected towards the output shaft. https://kylercrcnx.wizzardsblog.com/33740194/the-smart-trick-of-gearbox-that-nobody-is-discussing