Pulley knot
From the car engine the capacity by means of a belt is transferred to idling and actuates the compressor according to a mode of turning on / switching off of the air conditioner. Excitement winding
Power supply 12 In a direct current from the battery creates a magnetic stream which passes through a pulley wall, creates magnetic force and draws disk / nave knot. Disk / nave knot
When the magnetic stream proceeding through a wall of a pulley, passes through a disk and thanks to its change between northern and southern poles in an air gap form drawing magnetic force, the disk concerns a frictional surface of a pulley an elastic detail with springing properties which is displaced on constant distance.
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