Belt drive arrangement for an auxiliary unit of a motor vehicle, motor vehicle, and method for operating an auxiliary unit of a motor vehicle

摘要

A belt drive arrangement for an auxiliary unit of a motor vehicle includes, but is not limited to a belt pulley for receiving a drive belt, a shaft of the auxiliary unit that can be driven with the torque of the belt pulley, and a clutch device for the releasable torque transmission between the belt pulley and the shaft of the auxiliary unit. The clutch device includes, but is not limited to an electromagnet and a spring element. The spring element is preloaded in such a manner that the clutch in a currentless state of the electromagnet is closed.

主权项

1. A belt drive arrangement for an auxiliary unit of a motor vehicle, comprising
a drive element; a belt pulley configured to receive the drive element; a shaft of the auxiliary unit configured to be driven with a torque of the belt pulley; a clutch device configured for a releasable torque transmission between the belt pulley and the shaft of the auxiliary unit, wherein the clutch device comprises:
an electromagnet;a spring element configured for a preloading force such that the clutch device is closed in a currentless state of the electromagnet; and a fastening block connected to the auxiliary unit in a rotation-proof manner, wherein the belt pulley and the spring element are rotatably mounted to the fastening block with a first bearing and a second bearing.