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    • 1. 发明公开
    • SCHALTBARE KUPPLUNG, INSBESONDERE FÜR NEBENAGGREGATE IM PKW
    • 可控的离合器,尤其是辅助设备在车上
    • EP2640997A1
    • 2013-09-25
    • EP11819074.3
    • 2011-11-15
    • Technische Universität Chemnitz
    • BAUMGART, RicoTENBERGE, PeterAURICH, Jörg
    • F16D43/16F16D47/00
    • F16D13/40F16D43/16F16D47/00
    • The invention relates to a switchable coupling, in particular for passenger vehicle auxiliary assemblies, with an actuating system, which is actuated electrically, mechanically, pneumatically or hydraulically, between a driving element, which is designed, for example, in the form of a pulley, and an output element, wherein the actuating system contains a switching element which, upon actuation of the actuating system, is movable between a switching start position and a switching end position counter to the force of one or more resetting elements, for example springs, wherein, in the switching end position, the switching element produces an operative connection between the driving element and the output element such that, when the driving element rotates, the output element and also an auxiliary coupling connected to the output element are caused to rotate, wherein, after deactuation of the actuating system, the locking bodies located on the auxiliary coupling produce a frictional and/or form-fitting operative connection between the driving element and the output element such that, even after deactuation of the actuating system, a torque can be conducted from the driving element to the output element, wherein the operative connection is interrupted only when the rotational speed of the driving element falls below a limit value. The advantage of this solution consists in the coupling not requiring a permanent supply of power in the switching states "coupling = closed" and "coupling = open".