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Planetary train

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Planetary Train
GLL105885Courtesy of VOLVO CARS OF NORTH AMERICA.

The planetary train is used to reduce the rotation speed of the pinion gear in relation to the speed of the armature and to increase the torque of the pinion.

The planetary train consists of:

  1. Pinion shaft with splines
  2. Ring gear (fixed section)
  3. Planetary gear (connected to the pinion shaft)
  4. Sun gear (connected to the rotor)
  5. Armature
  6. Commutator
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