Compressor ye screw ine zvikamu zviviri ine kutonhora kwepakati mushure mekudzvanywa kwedanho rekutanga uye kudzvanywa kwedanho rechipiri, zvichikonzera kugoverwa kwehuwandu hwekudzvanywa kwakaringana. Izvi zvinochengetedza simba rakawanda ne8%-15% kupfuura ma compressor edanho rimwe chete, zvichichengetedza chiyero chepamusoro chekushandisa simba.
Kudzvanywa kwezvikamu zviviri kunoderedza huwandu hwekumanikidzwa kwechikamu chimwe nechimwe, zvichikonzera kudzikira kwekupisa kweutsi uye kudzikira kwemutoro pamabearings ecompressor. Izvi zvinoita kuti kushanda kwakasimba uye kwakavimbika kurambe kuripo mumamiriro ese ekunze.