Malinga ndi mfundo yosefedwa, chosefera mpweya chitha kugawidwa mu mtundu wamtundu wa zosefera, mtundu wa centrifugal, mtundu wosanjikiza mafuta ndi mtundu wa mafuta. Zosefera zamlengalenga zomwe zimagwiritsidwa ntchito mu injini makamaka ndizophatikiza mafuta osamba, mapepala owuma a mpweya wa mpweya, zosefera za polyirethane zosefera. Mafuta osamba osamba a mpweya wadutsa kudzera pa Fyuluta ya Intertia, mafuta osamba a mpweya, mitundu iwiri yomaliza ya fyuluta yafulu. Mafuta osamba osamba a mpweya wapuma kwa mpweya watsala ndi zabwino zakumwa pang'ono, amatha kuzolowera fumbi, moyo wautali, etc. Komabe, zosefera zamtunduwu zimakhala ndi kuchuluka kochepa, kulemera kwakukulu, mtengo wofunikira komanso kusungunuka pang'onopang'ono injini yamafuta. Zosefera za pepala zowuma mpweya zimapangidwa ndi pepala la microperoment peter yomwe limapangidwa ndi utoto. Pepala lazosefera ndi loyera, lotayirira, limakhala ndi mphamvu zolimbitsa thupi, ndipo mapangidwe osavuta, kulemera kochepa, ndi zina zophweka kwambiri. Kusamba kwa zosefera mlengalenga kumapangidwa ndi zofewa, zonunkhira komanso spongy polsurethane, zomwe zimakhala ndi mphamvu yamphamvu. Fyuluta iyi yakwera ndi maubwino a pepala owuma mpweya, koma ili ndi mphamvu zotsika kwambiri ndipo imagwiritsidwa ntchito kwambiri m'madzi agalimoto. Zoyipa za zosefera ziwirizi ndi moyo waufupi ndi moyo wosakwatiwa komanso ntchito yosadalirika yomwe ili pansi pa nyengo yowononga zachilengedwe.
