The impeller (1) is rotated from the crankshaft and it converts the mechanical Power in the crankshaft into kinetic energy by Placing the fluid in motion. Slippage consumes electric power in the course of the coupling stage. Locking the converter shell on the turbine shaft prevents this slippage from happening. https://torqueconverterclutch86307.ja-blog.com/34063388/5-simple-techniques-for-torque-converter-clutch