The turbine is driven through the stream of oil despatched to it by the pump. The oil enters the blade section near the rim and passes with the blades. The whole assembly is contained and connected to the engine flywheel. The torque converter capabilities similar to a hydraulic coupling product. https://torque-converter-clutch15802.blogpayz.com/34054081/the-ultimate-guide-to-torque-converter-clutch