Torque converter in automatic transmission Mercedes-Benz W221
The torque converter is an important component of the automatic transmission (AT) in the Mercedes-Benz W221. It performs several functions:
*Power Transmission: The torque converter transfers power from the engine to the transmission, converting torque and regulating rotation speed.
* Torque Multiplier: At low engine speeds, the torque converter multiplies torque, providing additional power for acceleration.
* Shock Absorption: The fluid in the torque converter also acts as a shock absorber, absorbing shock and vibration.
Mercedes-Benz W221 torque converter design
The Mercedes-Benz W221 torque converter consists of three main components:
* Pump: Located on the transmission input shaft and driven by the engine. The pump creates fluid pressure and directs it to the turbine.
* Turbine: Located on the transmission output shaft and receives fluid from the pump. The turbine transmits power to the gears of the gearbox.
* Stator: Located between the pump and turbine, it directs the flow of fluid to multiply torque.
Torque converter operation
When the engine is running, the pump creates fluid pressure and directs it to the turbine. The turbine begins to rotate, driving the gearbox output shaft. The stator changes the direction of fluid flow between the pump and turbine, creating hydraulic torque multiplication.
Hydrotransformation coefficient
The torque conversion ratio refers to the degree to which torque is multiplied. In the Mercedes-Benz W221, the torque conversion ratio varies depending on the torque requirements of the engine.
Torque Converter Maintenance
Regular maintenance is required to ensure proper operation of the torque converter. Important:
* Replace automatic transmission fluid in accordance with the manufacturer’s recommendations.
* Check the automatic transmission fluid level regularly.
* Avoid applying sudden loads to the transmission as this may damage the torque converter.
Proper maintenance of the torque converter guarantees smooth operation, long service life and optimal performance of the Mercedes-Benz W221 automatic transmission.