Torque converter usually takes benefit of the centrifugal power and throws the oil out of it. It really works like an oil pump. Fluid from inside of the converter casing spreads through the turbine. The turbine absorbs this fluid and commences rotation. It's instantly connected into the output shaft. https://gearbox16920.onesmablog.com/the-smart-trick-of-gearbox-that-no-one-is-discussing-74400619