There are many kinds of air compressors.
1 According to the working principle, it can be divided into three categories: positive displacement compressor, power compressor (rotating speed compressor or turbo compressor) and thermal compressor.
2. According to the lubrication mode, it can be divided into oil-free air compressor and oil-lubricated air compressor.
3. According to the performance, it can be divided into: low noise, frequency conversion, explosion-proof and other air compressors.
4. According to the use, it can be divided into: refrigerator compressor, air conditioner compressor, refrigeration compressor, oil field compressor, natural gas filling station compressor, rock drill, pneumatic tool, vehicle brake compressor, door and window opening and closing compressor, textile machine compressor, tire inflation compressor, molding machine compressor, mine compressor, marine compressor, medical compressor and sand blasting and painting compressor.
5. According to types, it can be divided into: fixed, mobile and closed.