Torque Converter

Definition - What does Torque Converter mean?

A Torque Converter is a type of fluid coupling that is used to multiply the torque to higher limits and transfer the rotating power generated from any motor or internal combustion engine to a rotating driven load. The torque converter normally takes the place of a mechanical clutch in a vehicle with an automatic transmission, allowing the load to be separated from the power source. It is usually located between the engine's flexplate and the transmission.

Petropedia explains Torque Converter

The key characteristic of a torque converter is the ability to multiply torque when there is a substantial difference between input and output rotational speeds, thus providing the equivalent of a reduction gear. Some of these devices are also equipped with a temporary locking mechanism which rigidly binds the engine to the transmission when their speeds are nearly equal, so as to avoid slippage and loss of efficiency.

Torque Converters are used in

  • Automatic transmissions on automobiles, such as cars, buses, and on/off highway trucks.
  • Forwarders and other heavy duty vehicles.
  • Marine propulsion systems.
  • Industrial power transmission such as conveyor drives, almost all modern forklifts, winches, drilling rigs, construction equipment, and railway locomotives.

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