Filter element ndiye gawo lofunikira kwambiri pa cholekanitsa mafuta a mpweya.Nthawi zambiri, cholekanitsa chamafuta am'mlengalenga chapamwamba chimapezeka ndi zinthu zosefera zomwe moyo wake wautumiki umakhala mpaka maola masauzande ambiri.Chifukwa chake, cholekanitsa choterechi chimatha kuwonetsetsa kuti mpweya wabwino umagwira ntchito bwino.Mpweya woponderezedwa ukhoza kukhala ndi madontho angapo amafuta ochepa okhala ndi mainchesi ochepera 1um.Madontho onse amafutawo amasefedwa ndi chinthu chosefera magalasi.Pansi pa kufalikira kwa zinthu zosefera, zidzasinthidwa mwachangu kukhala zazikulu.Madontho akuluakulu a mafuta adzasonkhanitsidwa pansi pansi pa ntchito ya mphamvu yokoka.Pomaliza, adzalowa m'dongosolo lopaka mafuta kudzera papaipi yobwezera mafuta.Chifukwa chake, mpweya woponderezedwa wotuluka mu kompresa wa mpweya ndi wangwiro, komanso wopanda mafuta aliwonse.
Koma mosiyana ndi madontho ang'onoang'ono amafuta, tinthu tating'onoting'ono ta mpweya wothinikizidwa tikhalabe muzosefera, zomwe zimapangitsa kuti pakhale kupanikizika kosiyanasiyana.Kuthamanga kosiyana kukakhala kwa 0.08 mpaka 0.1Mpa, ndiye kuti muyenera kusintha zinthu zosefera.Kupanda kutero, mtengo wa ntchito ya kompresa mpweya udzawonjezeka kwambiri.