Perhaps we did not come into contact with the air compressor in our daily lives. Don’t know what type of air compressor, okay, today I will tell you what are the different types of air compressors.
Air compressors are devices that convert power into kinetic energy. The power source is normally an electric motor, a gasoline engine or a diesel engine. The air compressors compress and pressurise the air, which is released in quick and short bursts on command. Several types of air compression methods are available but the major categories are positive displacement compression and negative displacement compression. Air compressors are divided into other minor categories and models based on the following factors.
Positive Displacement Air Compressors
Positive Displacement air compressors function when air is forced into a chamber and the volume of the chamber is reduced to achieve air compression. Most of the piston type of air compressors utilizes this principle of pumping air into air chamber by the continuous motion of pistons. These compressors use on-way values for guiding the air into the chamber and the air gets compressed. Another type of positive displacement compression method is used in rotary screw compressors. Two helical matching screws guide air into the chamber when they turn and the volume of the chamber gets reduced when the screws turn. Similarly, vane compressors utilize slotted rotors with varied blade placements for guiding air into the chambers and compress their volumes.
Negative Displacement Air Compressors
Negative displacement air compressor is mainly centrifugal compressor. This compressor uses a spinning impeller, which accelerates to generate centrifugal force and then decelerates captured air, pressurising the air.
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