Diesel Injector Fuel Injector 0445120182 Bosch na Dongfengdfl 4.8 Cummins Sprayer Qsb4.5 Tier 4 Karshe

4-Silinda QSB4.5 don Tier 4 Final yana da ƙarfi da amsawa fiye da kowane lokaci, yana isar da har zuwa 173 hp (129 kW), tare da ƙyalli mafi girma na 520 lb-ft (705 N•m), haɓakar kashi 12 fiye da na injin Tier 4 na baya.Tier 4 Final QSB4.5 yana raba irin wannan Cummins VGT Turbocharger, tsarin mai na HPCR da ECM tare da injin Cummins QSB6.7.Ba abin mamaki ba ne cewa ƙarfin wutar lantarki na QSB4.5 yana kwatankwacin aiki da na injunan silinda 6 da yawa da ke ƙasa da 174 hp (130 kW), daga fakitin ƙarami da haske.

An haɗa SCR tare da sauƙi na Diesel Oxidation Catalyst (DOC) a matsayin kunshin shigarwa mai sauƙi.An yi amfani da shi akan abubuwan shigarwa na Tier 4 na wucin gadi, an tabbatar da DOC don cire ƙaƙƙarfan Matter (PM) yadda ya kamata ta amfani da sauƙi mai sauƙi-ta hanyar iskar oxygen.Ƙananan girma fiye da sauran nau'o'in magani na baya sun sa wannan ma'auni ya dace da ƙayyadaddun kayan aiki.Tare, DOC da Cummins SCR suna aiki azaman cikakken haɗin kai, tsarin kulawa mai tsafta mai tsafta.Marufi mai ƙarfi sosai yana tabbatar da cewa tsarin bayan magani ya sami karɓuwa daidai da na injin QSB4.5.Wannan shine aikace-aikacen farko na fasahar VGT Turbocharger mai nasara akan injin silinda 4.

Cummins ƙwararrun fasahar zamiya bututun ƙarfe yana da ƙarancin wuraren lalacewa fiye da kowane ƙirar turbine mai canzawa, yana kawo ƙarfin da ba a taɓa gani ba yayin samar da daidaitaccen daidaitawar iska da aka isar da injin ɗin, yana ba da damar haɓaka cikin sauri a ƙaramin injin rpm yayin da yake riƙe babban matakin haɓaka a mafi girma rpm.QSB4.5 yana kawo sauƙi na turbocharger guda ɗaya, ya bambanta da sauran injunan 4-cylinder da ke buƙatar turbochargers guda biyu don cimma daidaitattun iko, juzu'i da ƙarfin tsayi.Zaɓuɓɓukan tsaka-tsaki da babba suna ba da sassaucin ƙira, don sauƙaƙe haɗin injin.

An saita tsarin SCR akan QSB4.5 musamman don wannan injin ta CES, tare da halayen catalytic da ke faruwa ko da a ƙananan yanayin aiki.An rage girman matakan maganin DEF tare da haɓakar haɗawa cikin kwararar shaye-shaye.Cummins Direct Flow mai tsabtace iska yana taimakawa sauƙaƙe shigarwa tare da rage girman da'awar sarari da ƙarfin tacewa.