Overrunning alternator decoupler pulley with bare wire spring and grease lubrication

Model claims a decoupling assembly (20), a groove of the s-shaped belt (14) of motor vehicle engine to drive the AC, and is permitting the speed of belt fluctuates to the AC. The wheel hub of coming from alternator's transmission shaft (15) fixed support and along with the rotating. The belt wheel (50) (55) is mounted on the shaft connected through bearing component is a hub. The ball bearing component comprises a lubricant, is made from being worn the minimum. The bare clutch spiral spring (71) job connecting part between the wheel hub and belt pulley; the belt pulley pressure driving the wheel hub is transmitted to the rotation movement of the pulley through a snake-shaped belt the wheel hub, and; with a pulley driving the wheel hub for a hub column belt pulley.