Belt drive for engine accessories with a friction wheel drive with a controller and a accessory

摘要

in a belt drive of a brennkraftmaschine aggregates with a not (3) for a separately organized nebenaggregat (4) whose cogs (9) on a belt (5) drehbewegtes friction torque through dry running friction material (8) is driven by the a - and closure of a exzente rgesteuerten schwingarm (11).with the steilgewinde (14) on a hub drehbeweglich guided eccentric (13) of a control unit (10), a ansteuerbarer servomotor (15) byin a topfartigen housing (16) by means of a piston (23) and (24) for a trained pressure pneumatic or hydraulic medium includes and beyond the stu00f6u00dfelkammer (25) for a with the eccentric of a pestle (13 ') of the piston (23) on a e reibungsarme drehverbindung hub drehbeweglich below.