Clutch Kit: How Can Automatic Transmission Change Gears?

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As motorists, we know how the transmission works: we push the clutch in, change the gear, and then continue driving normally Planetary Gear. The manual transmission also teaches us how to perform a clutch controller without stalling or rolling on an incline. So just how does an automatic car change gears?

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There are more parts in this system that makes it a more complicated system. For your car to proceed, whether automatic or manual, torque is needed for the initial momentum.

Automatic Transmission Change Gears

The motor is on the transmission at a bell home. This is where the torque converter is. The transmission also contains something known as planetary gear sets that offer different gear ratios.

The engine’s flexplate can also be connected to this torque converter. So the torque converter essentially takes the place of a clutch in an automated vehicle. After the crankshaft rotates it also rotates the converter.

The torque converter includes primary components that make automatic transmission effective. These include:

The impeller – attached to the engine that’s responsible for driving the tanks utilizing viscous forces on the transmission fluid.The turbine – attached to the transmission input shaft which transmits the torque pressure into the transmission. The stator – that sits between the impeller and the turbine. It lessens churning losses.

The lock-up clutch.

During the compression of the fluid, it returns in the turbine which is employed contrary to the impeller and its rotating movement which also acts on the motor.


The stator redirects the fluid so that the majority of the velocity gets driven towards the impeller which then increases the torque created by the motor. It can only rotate in one way if the impeller and tanks are moving at precisely the same speed. Stators do not use torque when on a highway, only when coming to a halt or accelerating.

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