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  2. Torque converter - Wikipedia

    en.wikipedia.org/wiki/Torque_converter

    A torque converter is a device, ... Overheating: Continuous high levels of slippage may overwhelm the converter's ability to dissipate heat, ...

  3. Transmission control unit - Wikipedia

    en.wikipedia.org/wiki/Transmission_Control_Unit

    Known as an input speed sensor (ISS). This sensor sends a varying frequency signal to the TCU to determine the current rotational speed of the input shaft or torque converter. The TCU uses the input shaft speed to determine slippage across the torque converter and potentially to determine the rate of slippage across the bands and clutches. This ...

  4. Hydramatic - Wikipedia

    en.wikipedia.org/wiki/Hydramatic

    The fluid coupling now only handled about 25 percent of the engine torque, reducing slippage to a negligible amount. The result was a remarkably efficient level of power transfer at highway speeds, something that torque converter equipped automatics could not achieve without the benefit of a converter clutch.

  5. Fluid coupling - Wikipedia

    en.wikipedia.org/wiki/Fluid_coupling

    A fluid coupling cannot develop output torque when the input and output angular velocities are identical. [7] Hence, a fluid coupling cannot achieve 100 percent power transmission efficiency. Due to slippage that will occur in any fluid coupling under load, some power will always be lost in fluid friction and turbulence, and dissipated as heat.

  6. Talk:Torque converter - Wikipedia

    en.wikipedia.org/wiki/Talk:Torque_converter

    The name "torque converter" is historical: it is generally applied to fluid couplings that can offer torque multiplication, as a contrast to the early fluid couplings that couldn't do this, and were known as fluid flywheels. Both of these can math varying speeds for input & output, but the simple fluid flywheel does this by slipping (obviously ...

  7. Clutch - Wikipedia

    en.wikipedia.org/wiki/Clutch

    In an automatic transmission, the role of the clutch is performed by a torque converter. However, the transmission itself often includes internal clutches, such as a lock-up clutch to prevent slippage of the torque converter, in order to reduce the energy loss through the transmission and therefore improve fuel economy. [17]

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  9. GM Roto Hydramatic transmission - Wikipedia

    en.wikipedia.org/wiki/GM_Roto_Hydramatic...

    By historical context of comparison, the '50 Packard Ultramatic which was a torque converter applied two speed lock-up design with high and low range for four forward speeds and the '50 Studebaker/Detroit Gear featured a lock-up torque converter with three forward speeds. The lock-up feature of Packard's Ultramatic and Studebaker's DG 250 is ...