The torque converter is often seen as the most complicated part in vehicles of today. It is, however, a very important component of automatic transmissions. This animation explains the theory behind this complex component. <br /> <br />Contents <br />1) Torque converter impeller <br />2) Blades and fluid of impeller <br />3) Centrifugal forces caused by rotation of impeller <br />4) Torque converter turbine <br />5) Fluid flow between impeller and turbine <br />6) Fluid coupling <br />7) Torque converter stator <br />8) Housing, lock-up clutch and shaft <br />9) Stages of operation: stall, acceleration, coupling