This makes the transmission system rotate and the wheels of the vehicle move. As it hits the turbine blades, the turbine starts rotating. When the engine runs, it rotates the impeller and due to the centrifugal force, the oil inside the torque converter assembly is directed towards the turbine. In that, the impeller or pump acts as the first fan which is connected to the engine, and the turbine acts as the second fan which is connected to the transmission system. On the same principle, the torque converter works. When the second fan is stopped, it does not stop the first one. The air from the first fan strikes on the blades of the second fan and it also starts rotating almost at the same speed as the first one. When the first fan connected to the power source starts moving, the air from it flows to the second fan which is stationary. One fan is connected to the power source and the other is not connected to the power source. To understand the working principle of a torque converter, let’s take two fans. It multiplies the torque of the engine and transmits it to the transmission. It isolates the engine from the load when the vehicle is stationary.Ĥ. It drives the front pump of the transmission.ģ. It transfers the power from the engine to the transmission input shaft.Ģ. As the clutch separates the engine from the load when it stops, in the same way, it also isolates the engine from the load and keeps the engine running when the vehicle stops. It has the same function as the clutch in manual transmission. It sits in between the engine and transmission. Its main function is to allow the load to be isolated from the main power source. It takes place of a mechanical clutch in an automatic transmission. A torque converter is a type of fluid coupling which is used to transfer rotating power from the engine of a vehicle to the transmission.
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