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Malinga ndi mfundo kusefera, zosefera mpweya akhoza kugawidwa mu mtundu fyuluta, centrifugal mtundu, mafuta kusamba mtundu ndi pawiri mtundu.Zosefera za mpweya zomwe zimagwiritsidwa ntchito m'mainjini makamaka zimaphatikizapo zosefera za mpweya wamafuta osambira, mapepala owuma a mpweya, ndi zosefera za mpweya wa polyurethane.

Sefa ya mpweya yosambira yamafuta yakhala ndi magawo atatu: kusefera kwa inertial, kusefera kwamafuta osambira, komanso kusefera.Mitundu iwiri yomaliza ya zosefera za mpweya zimasefedwa kudzera muzosefera.Zosefera zamafuta osambira a inertial zili ndi zabwino zokana kutengera mpweya pang'ono, zimatha kuzolowera malo ogwirira ntchito afumbi komanso amchenga, ndipo amakhala ndi moyo wautali wautumiki.

Komabe, zosefera zamtunduwu zimakhala ndi kusefera kochepa, kulemera kolemera, kukwera mtengo komanso kukonza kovutirapo, ndipo kumathetsedwa pang'onopang'ono mu injini zamagalimoto.

Chosefera cha fyuluta ya mpweya wouma chimapangidwa ndi pepala lopangidwa ndi utomoni la microporous.Mapepala a fyuluta ndi porous, otayirira, opindika, ali ndi mphamvu zamakina ndi kukana madzi, ndipo ali ndi ubwino wa kusefera kwakukulu, kapangidwe kosavuta, kulemera kochepa komanso mtengo wotsika.Ili ndi maubwino otsika mtengo komanso kukonza kosavuta, ndipo ndiyosefa yamagalimoto yomwe imagwiritsidwa ntchito kwambiri pamagalimoto pakadali pano.

Chosefera cha polyurethane Chosefera cha fyuluta ya mpweya chimapangidwa ndi polyurethane yofewa, yobowola, ngati siponji yokhala ndi mphamvu zotsatsa.Izi fyuluta mpweya uli ndi ubwino pepala youma mpweya fyuluta, koma otsika mphamvu mawotchi ndipo ntchito injini galimoto.ogwiritsidwa ntchito kwambiri.Kuipa kwa zosefera ziwiri zotsirizirazi ndikuti amakhala ndi moyo wamfupi ndipo sadali odalirika pogwira ntchito pansi pazovuta zachilengedwe.

Zosefera zamitundu yonse zili ndi zabwino ndi zovuta zake, koma pali kutsutsana pakati pa kuchuluka kwa mpweya wotengera ndi kusefa moyenera.Ndi kafukufuku wakuya pa zosefera mpweya, zofunika zosefera mpweya zikuchulukirachulukira.Mitundu ina yatsopano ya zosefera mpweya zawoneka, monga zosefera fibre element air element, double filter material air filters, muffler air filters, zosefera mpweya nthawi zonse, etc., kukwaniritsa zosowa za injini ntchito.