Pane chubhu yekusveta mweya iri pedyo nefirita yemhepo. Chii chiri kuitika?
Iyi ichubhu iri mu crankcase ventilation system inotungamirazve gasi rekubuda mumhepo kuenda ku intake manifold kuti ishandiswe. Injini yemota ine crankcase forced ventilation system, uye kana injini ichishanda, imwe gasi inopinda mu crankcase kuburikidza ne piston ring. Kana gasi rakawandisa rikapinda mu crankcase, kumanikidzwa kwe crankcase kuchawedzera, izvo zvinokanganisa piston pasi, asiwo zvinokanganisa kushanda kwe sealing yeinjini. Saka, zvakakosha kuburitsa magasi aya mu crankcase. Kana magasi aya akaburitswa zvakananga mumhepo, zvinosvibisa nharaunda, ndosaka mainjiniya vakagadzira crankcase forced ventilation system. Crankcase forced ventilation system inodzosera gasi kubva mu crankcase kuenda ku intake manifold kuitira kuti ikwanise kupinda mu intake chamber zvakare. Kunewo chikamu chakakosha che crankcase ventilation system, inonzi oil and gas separator. Chikamu chegasi chinopinda mu crankcase i exhaust gas, uye chikamu i oil vapor. Oil and gas separator ndeyekuparadzanisa exhaust gas kubva ku oil steam, izvo zvinogona kudzivirira oil inopisa injini. Kana muchina wekuparadzanisa mafuta negasi wakatyoka, uchaita kuti utsi hwemafuta hupinde mu cylinder kuti hubatanidzwe mukupiswa, izvo zvichaita kuti injini itsve mafuta, uye zvichakonzerawo kuwedzera kwekuunganidzwa kwekabhoni mukamuri yekupiswa. Kana injini ikapisa mafuta kwenguva yakareba, zvinogona kukonzera kukuvara kwe three-way catalytic converter.
