Glossary “coupling yoke” Definition:
Two integral or separate Y-shaped components to which the universal-joint bearing cups are attached.

Glossary “coupling stage” Definition:
Term referring to the torque converter turbine speed, as it closely approaches the impeller speed; occurs during higher speeds under light loads.

Glossary “coupling phase” Definition:
The point in torque converter operation where the turbine speed is 90% or greater that of the impeller speed, and there is no longer any torque multiplication.

Glossary “coupling speed” Definition:
Point at which all of the converter parts and fluid are turning as a unit.