What is the Function of a Car Gearbox?

1 Answers
EmersonLynn
07/30/25 12:29am
Car gearboxes can change the transmission ratio, expand the range of torque and speed variations of the driving wheels to adapt to frequently changing driving conditions, while allowing the engine to operate under favorable working conditions. Below is an introduction to car gearboxes: 1. Overview: The gearbox, also known as the transmission, is referred to as the "gearbox" in southern Fujian (including Guangdong Province and Hong Kong), without distinguishing between automatic and manual transmissions. Automatic transmissions achieve different transmission ratios by using various hydraulic multi-plate clutches and brake bands to restrict or engage certain gears in the planetary gear set. Therefore, the quality of gear shifting is directly related to these clutches and brakes. Depending on the car's grade, for cost considerations, the control mechanism of automatic transmissions in economy cars is usually designed to be very simple. 2. There are three common types of car gearboxes: hydraulic automatic transmission (referred to as AT), continuously variable transmission (referred to as CVT), and electronically controlled mechanical automatic transmission (referred to as AMT). AT is widely used in passenger cars and has almost become synonymous with automatic transmissions.
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