From the perspective of energy conversion, what kind of equipment are compressors and fans?

From the perspective of energy conversion, compressors, fans, etc. are all piston compressors, (narrow sense) blower equipment, wind turbines and generators. Working Process of Piston Compressor The main parts of a single-stage compressor are the piston, cylinder, suction valve, and exhaust valve. From the perspective of energy conversion, wind turbines include two parts. One part is the wind turbine, which converts wind energy into mechanical energy. The other part is the generator, which converts mechanical energy into electrical energy.