YFB4 yakatevedzana huruva inoputika-humbowo matatu-chikamu asynchronous mota inonyatso yakavharirwa yega-fan-yakatonhorera squirrel-cage matatu-chikamu asynchronous mota. Iyo ine maitiro ehukuru hudiki, huremu huremu, kushanda kwakavimbika, kutaridzika kwakanaka, etc. Iyo inewo hunyanzvi hwepamusoro, ruzha rushoma, kuzununguka kudiki uye kuderera kwekushisa kukwira. Yakakura, yakanakisa kuita, yepamusoro uye inonzwisisika kuputika-chiratidzo chimiro, yakachengeteka uye yakavimbika kushandiswa, nezvimwe.
Dust kuputika-proof motors inonyanya kukodzera kunzvimbo dzine guruva rinobvira mumishonga, machira, simbi, kugadzira zviyo, kugadzira chikafu, makemikari fetiraiza, fodya, kugadzira mapepa, zvinhu zvekugadzira, zvekuvakisa, nezvimwe.