More Information about Vane Air Compressors
Vane compressors consist of a rotor mounted eccentrically inside a stator. Protruding out from the rotor are spring-loaded vanes. The springs keep the vanes extended and in contact with the inner wall of the stator. Since the rotor is not concentric to the stator, there is an uneven gap between them.
Atmospheric air enters the compressor at the point where the gap between the rotor and stator is the largest. As each successive vane passes the inlet port, it encloses a definite volume of air bounded by that vane, the vane preceding it, the rotor, and the stator,. As the rotor rotates, the gap between the rotor and stator shrinks and the vanes retract into the rotor. The air contained within that space having nowhere to escape to is compressed to a higher pressure.
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