Compressed air generation

2.0 Introduction

Compressors are working machines for compressing gases and vapours.

Show article

2.1 Oil-free reciprocating compressors

Piston compressors use vertically gliding pistons to suck the air in, compress it and finally discharge it. These actions are controlled by inlet and pressure valves.

Show article

2.2 Oil-free rotary screw compressors

The compression stage of a standard rotary screw compressor contains two rotors with different profiles and arranged in parallel. In a contradirectional rotation, the air is compressed in continually smaller chambers to the final pressure.

Show article

2.3 Oil-free turbocompressors

Depending on the primary flow direction, these compressors are categorised in radial and axial compressors

Show article

2.4 Oil-lubricated piston compressors

Reciprocating piston compressors suck in the air, compress and discharge it, using vertically gliding pistons. These actions are controlled by inlet and pressure valves. By switching several compression stages in series, the system can generate various pressures. If several cylinders are arranged, different quantities of air can be generated.

Show article

2.5 Oil-lubricated rotary screw compressors

The compression stage of a standard rotary screw compressor contains two rotors with different profiles and arranged in parallel. In a contradirectional rotation, the air is compressed in continually smaller chambers to the final pressure. During this process, oil is injected into the compression chamber. This oil cools. lubricates and prevents flow back losses within the compression process.

Show article