2016年4月14日星期四

Automotive Air Conditioning System Parts

Your automotive air conditioning system is main made up of accumulator(or receiver drier), ac lines(or a/c hose assembly), a compressor, a condenser, an evaporator, and thermal Expansion Valve.
  • Accumulator: The drier, also known as the receiver-drier, is sort of the safety catch for your system. The compressor is only supposed to compress the gas from compressor. Since even the tiniest leak or careless installation can introduce water moisture to the system, the drier absorbs this chemically. It also has a filter that catches any gunk that might be in there.
  • Ac Lines: Also called ac hose assembly, including muffler that is ignored easily. It transfer the liquid and gas between each component. Connect them with rubber hose and aluminum muffler which quiet noise of compressor.
  • Compressor: This is the heart of your a/c system. The compressor is what takes the refrigerant (the gas) and pressurizes it so it will cool the air. It’s run by an engine belt. The compressor also has an electrically operated clutch that turns the compressor on and off as you demand more cool air.
  • Condenser: The condenser is like a miniature radiator, usually mounted at the front of the car right next to your big radiator. Sometimes the condenser will have its own electric cooling fan, too. The hot, compressed air passes through the condenser and gets lots cooler. As it cools, it becomes a liquid.
  • Evaporator: Evaporator serves as the heat absorption component. The evaporator provides several functions. Its primary duty is to remove heat from the inside of your vehicle. A secondary benefit is humidification. As warmer air travels through the aluminum fins of the cooler evaporator coil, the moisture contained in the air condenses on its surface. On humid days you may have seen this as water dripping from the bottom of your vehicle. Rest assured this is perfectly normal.
  • Thermal Expansion Valve: You don’t always want to freeze your toes off, so the a/c system has a valve that controls the flow of super-cool refrigerant to the evaporator. This way you can regulate how cold the air blowing on you gets.

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