Rotary compressor basically use in the fridge and in air conditioning, commercial refrigeration equipment.

Rotary compressor has adopt a group of screw, will certain volume of air compressor become smaller pressure higher air, until the system to achieve need pressure.

Reciprocating compressors is using the piston, the crank, link mechanism or the piston, the crank, sliding tube institutions, rotary compressor rotor is the use of crankshaft institutions.