Compressors are divided into two kinds: non-variable displacement and variable displacement. According to the different working principle, air conditioning compressor can be divided
into fixed displacement compressor and variable displacement compressor.
According to the different working mode, the compressor can be generally divided into reciprocating and rotary, common reciprocating compressor crankshaft connecting rod type and axial piston type,
common rotary compressor has a rotating blade type and scroll type.
