Correctly understanding the automotive air conditioning

Whether you puly observed that continuous rotation, but not always practical as well asthe compressor. This is achieved through an electromagnetic clutch mounted puly.

Crankshaft pulley drive motor (puly) compressor of an air conditioning system via arubber belt edge or trapezoid tooth comb. Once the engine starts spinning, and spin pulycompressor. But when the compressor is not working. Because driving is not always you need to regulate.

Compressor Components
Summer is hot at promoting the use of compressors. Switch A / C clutch relay is closed,current flows through the coil in puly form an electromagnet. Resources from the discmoves puly adhesion force. Friction arising at the contact surfaces transmit torque fromthe compressor shaft rotates puly. Attached to that terminal equipment operating enginecover, engine ru up to an hour, then reduce the rpm increases, it is the phenomenon thatthe compressor starts working
Coupled electromagnetic clutch inserted in a compressor puly. The details page order from left to right: Disk pressing clutch - Puly - electric magnet

However, the switch to A / C sometimes wind also does not work. Refrigerant pressure is lower than normal, the compressor lubrication conditions is not guaranteed and are stuckat risk, or high-pressure refrigerant, a number of details in the refrigeration cycle can be tampered with.

Pressure control
switch interrupts the current through relay, release the clutch and the compressor stops working. Where, when cooler temperatures lower than the allowed limit, a thermal switch located on the signaled it will cut the clutch and the result is no longer axis wind machines connected to another pulley.
Compressor is a device that consumes the most energy in the air conditioning system,precisely because when driving the air conditioning mode A / C work will consume muchmore gasoline.
 
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