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Torque Converters for Forklifts
Forklift Torque Converter - A torque converter in modern usage, is commonly a fluid coupling that is used in order to transfer rotating power from a prime mover, for instance an internal combustion engine or an electrical motor, to a rotating driven load. Same as a basic fluid coupling, the torque converter takes the place of a mechanical clutch. This allows the load to be separated from the main power source. A torque converter could provide the equivalent of a reduction gear by being able to multiply torque if there is a substantial difference between output and input rotational speed.
The most popular type of torque converter used in car transmissions is the fluid coupling kind. In the 1920s there was even the Constantinesco or also known as pendulum-based torque converter. There are different mechanical designs for constantly variable transmissions that could multiply torque. Like for example, the Variomatic is a version which has expanding pulleys and a belt drive.
The 2 element drive fluid coupling could not multiply torque. Torque converters have an element called a stator. This alters the drive's characteristics during occasions of high slippage and generates an increase in torque output.
There are a at least three rotating parts inside a torque converter: the turbine, that drives the load, the impeller, which is mechanically driven by the prime mover and the stator, which is between the turbine and the impeller so that it could alter oil flow returning from the turbine to the impeller. Traditionally, the design of the torque converter dictates that the stator be stopped from rotating under any condition and this is where the word stator begins from. In reality, the stator is mounted on an overrunning clutch. This particular design stops the stator from counter rotating with respect to the prime mover while still enabling forward rotation.
In the three element design there have been changes which have been incorporated sometimes. Where there is higher than normal torque manipulation is considered necessary, modifications to the modifications have proven to be worthy. More often than not, these modifications have taken the form of several stators and turbines. Each and every set has been meant to generate differing amounts of torque multiplication. Some examples consist of the Dynaflow which utilizes a five element converter in order to generate the wide range of torque multiplication required to propel a heavy vehicle.
Different automobile converters include a lock-up clutch to reduce heat and to be able to enhance the cruising power and transmission effectiveness, though it is not strictly component of the torque converter design. The application of the clutch locks the turbine to the impeller. This causes all power transmission to be mechanical which eliminates losses related with fluid drive.
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