Obtain deep knowledge of how an air compressor works !

Functions of a Compressor:
An air compressor is an electrical or semi electrical equipment or device used to supply compressed air and/or power into a specific space in an application. The main use of air compressor is to supply increased air pressure. From simple and small home applications like refrigeration and air conditioners to complex and critical commercial applications like jet engines and heavy industry machineries, air compressors have widely established their important presence.

The Basic :
The air compressor is made up of mainly two parts – a compressed system and a power source. The compressing mechanism can be a piston, rotating impeller, or vane depending upon which type of compressor you are referring to. The power source may be an electric motor or other energy sources. The compressing mechanism, as the name suggests.

The basic working principle of an air compressor is to compress atmospheric air, which is then used as per the application’s specific requirements. In the process of compressing the air, atmospheric air is drawn in through a valve; more and more air is pulled inside a limited space mechanically by piston, impeller, or vane. The volume is gradually reduced due to the fact that amount of pulled atmospheric air is increased in the receiver or storage tank and hence pressure is raised automatically. In other words, free or air is compressed after reducing the volume and increasing the pressure.

Internal  structure :
You’d also find a pressure setting knob which is used to manipulate air pressure to match specific requirements of individual application. When pressure in the air receiver gets increased to the maximum allowed mark, the pressure switch gets shut off automatically and thus intake of air in the compressor is stopped. This is done so as to avoid any damage to the air compressor and application.

The Working :
Contrary to this, when the compressed air is used, the pressure inside the compressor falls. As a consequence, the pressure drops to a low setting, and the pressure switch is turned on, thus allowing atmospheric air to enter the unit. This way, the cycle of taking air inside the unit and removing compressed air continues in an air compressor.

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