6F33 TRANSAXLE 11 6. DETAIL OF A/T COMPONENTS (FOR INFORMATION) A. TORQUE CONVERTER OVERVIEW Torque converter that transfers the power to transaxle from engine is installed between engine and transaxle. The torque converter converts the mechanical energy from engine to hydraulic energy, and the turbine connected to transaxle input shaft converts this hydraulic energy to mechanical energy again. The stator between pump and turbine increases the output torque from turbine by converting the flowing direction. The stator has a torque converter area that changes the flowing direction and a fluid coupling area where the stator rotates. And, the damper (lockup) clutch integrated in torque converter prevents the power from losing and reduces fuel consumption. OPERATION When the torque converter is driven by the engine, the fluid in the torque converter is circulated by centrifugal force. When the speed increases, the fluid flows into turbine from pump, and then flows forward stator. This fluid changes its direction in stator and pushes the back of pump. This causes the fluid to increase the pumping force. The increased pumping force rotates the turbine with higher speed. LOCKUP CLUTCH In 6 A/T, the ultra-flat trust has been introduced in torque converter to achieve compact (short length) and light weight design. And, the slip lockup control technology in torque converter improves the fuel economy and reduces the noise. Lockup clutch in torque converter reduces the slippage and keeps the lowest fuel loss.
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