In the torque converter there are actually a minimum of a few rotating elements: the impeller, that's mechanically pushed because of the prime mover; the turbine, which drives the load; plus the stator, which happens to be interposed among the impeller and turbine so that it can change oil circulation https://andrevddbx.onzeblog.com/33760801/the-2-minute-rule-for-torque-converter-clutch