A set of gears with three independent, rotating members with a speed
and torque relationship to each other. There are two application types:
- First consists of one input and two outputs. The automobile
differential is the best example here. The two outputs are
connected mechanically.
- Second application has two inputs and one output. This is
used to solve industrial problems when the superimposition of
one motion relative to another is required, such as phase
shifting on textile industry equipment.
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Differential efficiency is a function of the relative speed of
the three elements. As relative speed increase, the inherent losses due
to basic gear efficiency, seals, and bearings also increase; thus
efficiency decreases.
