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The main types of compressors, cam, diffusion pumps and diaphragm compressors, etc. which were not included because they use a special and relatively small size

1, reciprocating compressor - is a positive displacement compressor, the compression element is a piston, to reciprocate within the cylinder.

2, the rotary compressor - is a positive displacement compressors, compressed by the forced movement of the rotating element to achieve.

3, the vane compressor - is a rotary variable capacity compressor, axial vane on the same cylinder block eccentric rotor for radial sliding. After being discharged compressed air trapped slide in between.

4, the liquid - piston compressors - are rotary positive displacement compressor, in which water or other liquid as a piston to compress the gas, and the gas discharge.

5, dual-rotor compressor Roots - belong rotary positive displacement compressor, in which two intermeshing rotors thus Roots gas stopped, and sent from the air intake vents. No internal compression.

6, screw compressor - is a rotary positive displacement compressor, in which the two rotors are engaged with each other with helical gears, so that the gas is compressed and discharged.

7, the velocity-type compressor - is the continuous flow rotary compressor, in which the high-speed rotating blade of a gas passing through it accelerates, so that the velocity energy into pressure. This transformation occurs on the part of the rotating blades, in part in a stationary diffuser or reflux bezel.

8, a centrifugal compressor - a speed type compressor, one or more rotary impeller (usually on the side of the blade), to gas accelerate. The main gas flow is radial.

9, axial flow compressor - a speed type compressor, in which the gas accelerated by the bladed rotor. The main gas flow is axial.

10, mixed flow compressor - also is a speed-type compressor rotor shape combines both centrifugal and axial flow of some of the features.

11, a jet compressor - using high-speed jets of gas or vapor gas sucked away, then the diffuser will velocity of the mixed gas into a pressure.

12, oil-free air compressor

13, the high-pressure compressor
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miniature compressor  miniature refrigeration compressor 
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