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What Components Make Up an Automatic Transmission?

1 Answers

VonKimberly

07/29/25 1:31pm

An automatic transmission primarily consists of a torque converter, planetary gear transmission mechanism, hydraulic control system, and oil filtration device. Also known as an automatic gearbox, it is generally a type of automotive transmission that can automatically change gear ratios while the vehicle is in motion, eliminating the need for manual gear shifting by the driver. It is also used in large equipment such as railway locomotives. Torque Converter: The torque converter is a non-rigid torque converter that uses liquid as the working medium, representing one form of hydraulic transmission. It features a sealed working chamber where liquid circulates, with the pump wheel, turbine, and guide wheel connected to the input shaft, output shaft, and housing, respectively. Planetary Gear Transmission: The planetary gear mechanism comprises a sun gear, planetary gears, a planetary carrier, and a ring gear. Hydraulic Control System: The hydraulic control system is powered by an electric motor, using a hydraulic pump to convert mechanical energy into pressure to propel hydraulic oil. By controlling various valves to alter the flow direction of the hydraulic oil, it drives hydraulic cylinders to perform different strokes and movements, meeting the diverse operational needs of various equipment. Oil Filtration Device: An oil purifier is a filtration device that employs gravity, centrifugal force, pressure, vacuum distillation, and mass transfer techniques to remove mechanical impurities, oxidation byproducts, and moisture from impure oil. It is primarily used to enhance the cleanliness of oil for mechanical and electrical applications, ensuring optimal performance and extending equipment lifespan. Maintenance and Repair of Automatic Transmissions: Regularly check whether the automatic transmission fluid level is normal; master the cycle for replacing automatic transmission fluid; and correctly replace the transmission fluid. For every 50,000 kilometers driven, connect the equipment to the vehicle's power supply and link the equipment to the transmission cooling tube using the provided adapter. Then, with the engine idling, add automatic transmission cleaner, press the brake pedal with your foot, and sequentially shift through each gear of the automatic transmission to remove harmful substances. Subsequently, use the equipment to completely replace the automatic transmission fluid.

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