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What is the function of a car transmission?

1 Answers

Ortega

07/30/25 3:39am

The functions of a car transmission are: 1. To change the transmission ratio and expand the range of torque and speed variation of the driving wheels; 2. To enable reverse driving without changing the rotation direction of the engine crankshaft; 3. To interrupt power transmission to the driving wheels when the engine is started, idling, shifting gears, or when power output is required for parking; 4. To achieve neutral gear, allowing the transmission to output no power when the clutch is engaged. Transmissions are divided into manual transmissions and automatic transmissions. Manual transmissions consist of gears and shafts, achieving speed and torque variation through different gear combinations. Automatic transmissions consist of a torque converter, planetary gears, and a hydraulic control system, achieving speed and torque variation through hydraulic transmission and gear combinations.

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