空气压缩机（空压机）的种类很多 [1]  。
There are many kinds of air compressors.
1、按工作原理可分为三大类：容积型、动力型（速度型或透平型）、热力型压缩机。
1. According to the working principle, it can be divided into three categories: volume type, power type (speed type or turbine type), and thermodynamic compressor.
2、按润滑方式可分为无油空压机和机油润滑空压机。
2. According to the way of lubrication, it can be divided into oil-free air compressor and oil-lubricated air compressor.
3、按性能可分为：低噪音、可变频、防爆等空压机。
3. According to the performance, it can be divided into low noise, variable frequency, explosion-proof air compressors.
4、按用途可分为：冰箱压缩机、空调压缩机、制冷检查井钢模具 隔离墩模具 隔离墩钢模具 流水槽模具 U型槽模具 螺杆启闭机 卷扬式启闭机 铜雕佛像 压缩机、油田用压缩机、天然气加气站用、凿岩机用、风动工具、车辆制动用、门窗启闭用、纺织机械用、轮胎充气用、塑料机械用压缩机、矿用压缩机、船用压缩机、医用压缩机、喷砂喷漆用。
4. It can be divided into refrigerator compressor, air conditioning compressor, refrigeration compressor, oil field compressor, natural gas filling station, rock drill, pneumatic tools, vehicle braking, door and window opening and closing, textile machinery, tire inflation, plastic machinery compressor, mine compressor, marine compressor, medical pressure. Shrinkage, sandblasting and painting.