An HVAC (heating, ventilation, air conditioning) system is central to almost all vehicles. For countries like the United States, a heating system is essential for cars as it provides heat to the interior of a car during the cold, winter season. The need for a ventilation system is quite self-explanatory. Staying inside the car while traveling on the road can mean that the car’s occupants will be enclosed inside the car for quite some time and it is important that the air flows freely inside the car through a well-functioning ventilation system. The air conditioning system, on the other hand, is a convenient car part because it keeps the interior cool during hot summer months. It keeps the occupants of a car comfortable despite the sweltering heat outside. The heating and ventilation systems have intricate working systems that would require another article to discuss. This article will focus on the basics of the air conditioning system. The air conditioning system is made up of the following components, the AC compressor, AC condenser, receiver-drier, thermostatic expansion valve, and evaporator.
The AC compressor is a mechanism that is connected to the engine with a drive belt. When the air conditioner is switched on, the drive belt pumps the AC compressor to release a high pressure and high temperature refrigerant vapor into the AC condenser. Then the AC condenser converts the high pressure refrigerant vapor into liquid. The liquid that moves onto the receiver-drier is stored there. While in the receiver- drier, moisture is removed from the refrigerator liquid. The removal of moisture from the refrigerator liquid is an important step in the AC process because the removal of moisture means that risk of the refrigerator liquid freezing and consequently blocking the passageway for air conditioning vapors is considerably reduced, if not precisely eliminated. After the receiver-drier, the refrigerator fluid moves to the thermostatic expansion valve where it expands and becomes refrigerant vapor. The refrigerant vapor is briefly stored in the evaporator before it is released into the air conditioning vents found inside the car. Once released, the refrigerant vapor vaporizes the air inside the car and absorbs heat from the inside of the vehicle. The end result is cool air that makes the interior of the car more comfortable for its passengers.
Notice that the AC compressor is at the heart of the air conditioning process. Without the AC compressor, none of the refrigerant transfer processes would have been possible. That’s why it is important to ensure that the AC Condenser is always working properly. When the air conditioning system produces air that is not cool or insufficiently cool, a checkup and replacement of the needed AC part/s is/are due. It is advisable to have the AC repairs done by a registered mechanic because changing AC parts is often tricky and complicated. If an AC Compressor needs replacing, simply purchase high-quality, discount-priced AC compressors at recommended online parts stores.
Anthony Fontanelle is a 35-year-old automotive buff who grew up in the Windy City. He does freelance work for an automotive magazine when he is not busy customizing cars in his shop.
Article Source: http://www.articlesbase.com/automotive-articles/feel-cool-on-a-hot-day-with-a-topnotched-ac-compressor-296017.html
Author: Anthony Fontanelle
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