Compressor ine nhanho mbiri inoshandisa sisitimu yemafuta yakakura, ichiwedzera kutenderera kwekutsiva mafirita emafuta nemaseparator emafuta, ichideredza kuwanda kwekugadzirisa, uye ichivandudza zvakanyanya mwero wekushandiswa kwemidziyo yese.
Kune maindasitiri anoshandisa simba rakawanda akadai semachira, machira emakemikari, magirazi, zviumbwa zvesimbi, uye simbi, izvo zvinoshandisa mhepo nguva dzose, compressor ine zvikamu zviviri ndiyo mhinduro inosarudzwa yekuchengetedza simba yekuderedza mitengo yemagetsi uye kuwedzera kukwikwidzana.