New Diesel Fuel Injector 28490086 ya Jmc Transit Qingling

Ma injini amafuta apakati ndi ang'onoang'ono othamanga kwambiri amakhala ndi mitundu iwiri: mtundu wa pintle ndi mtundu wa porous. Axial singano jakisoni ntchito vortex kapena pre-kuyaka zipinda kuyaka. Chiwerengero cha mabowo a jakisoni ndi 1, ndipo m'mimba mwake muli pamwamba pa 1mm. Mtundu uwu wa jekeseni umagwira ntchito modalirika, ndipo mabowo a jekeseni si ophweka kuti atsekedwe ndi ma deposits a carbon, koma kutentha kwabwino kumakhala kochepa komanso kugwiritsira ntchito mafuta kumakhala kwakukulu. Mitundu yapakhomo ya 125 ndi injini za dizilo za 146 zili m'gulu ili. Majekeseni ambiri amabowo amagwiritsidwa ntchito muzipinda zoyatsira jekeseni mwachindunji. Ikhoza kupopera mankhwala opopera angapo ndi taper yaying'ono komanso yayitali. Injector yamtunduwu imakhala ndi mphamvu yotentha kwambiri komanso ndiyopanda mafuta. The mafuta jekeseni wa zoweta 135 mndandanda dizilo mndandanda ali mabowo angapo nozzle ndi awiri a 0.35mm. Kulumikiza valavu ya singano ya jekeseni yamafuta ndikolondola, ndipo chilolezo chake chofananira ndi 0.002 ~ 0.004mm yokha. Ngati mu mafuta a dizilo muli zonyansa, valavu ya singano imakanidwa. Kuphatikiza apo, mutu wa jekeseni wamafuta wakhala ukukumana ndi kutentha kwambiri komanso mpweya wothamanga kwambiri m'chipinda choyaka moto kwa nthawi yayitali, zomwe zimapangitsa kuti valavu ya singano ikule pang'onopang'ono ndikupunduka, ndipo imakhudza ntchito yachibadwa ya locomotive. Pamene jekeseni ikugwira ntchito, jekeseni yosindikizira ya thupi la singano nthawi zambiri imakhudzidwa ndi valavu ya singano, kuphatikizapo jekeseni wosalekeza wa kutuluka kwa mafuta othamanga kwambiri kuchokera kumalo ano, pamwamba pa chulucho chidzawoneka ngati mabala ndi mawanga - pang'onopang'ono kutaya kusindikiza, ndikuyamba kuthira mafuta. Kutentha kwa makina kukatsika, chitoliro chotulutsa mpweya chimatulutsa utsi woyera, ndipo kutentha kwa makina kukakwera, kumasanduka utsi wakuda, ndipo nthawi zina chitoliro chotulutsa mpweya chimatulutsa phokoso losamveka.