Auxiliary unit drive for combustion engine of motor car, has auxiliary unit driven by belt drive of prime mover of motor car, pulley divided into two circle segments, and axial displaceable rolling bearing provided with recording element

摘要

The drive has an auxiliary unit driven by a belt drive (10) of a prime mover of a motor car. A driven pulley (11-13) is divided into two circle segments. An axial displaceable rolling bearing is provided with a cone shaped recording element. The cone shaped recording element is arranged in a running surface and rotated along a rotational axis of the rolling bearing. The pulley is positioned in a surface of a shifting rolling cylinder. The two circle segments are provided in a bearing surface and a sloping surface of the cone shaped recording element.