Injector Shidaalka Naaftada 0445120182 Bosch ee Dongfengdfl 4.8 Cummins Sprayer Qsb4.5 Tier 4 Final

4-dhululubo QSB4.5 ee Tier 4 Final waa ka awood badan yahay oo ka jawaab celinayaa sidii hore, isaga oo gaarsiinaya ilaa 173 hp (129 kW), oo leh xawaarihii ugu sarreeyay ee 520 lb-ft (705 N•m), boqolkiiba 12 ayaa kordhay. in ka badan kii hore ee Tier 4 Interim engine.Tier 4 Final QSB4.5 waxay la wadaagtaa Cummins VGT Turbocharger la mid ah, nidaamka shidaalka HPCR iyo ECM oo leh Cummins QSB6.7 engine.La yaab maaha in wax-soo-saarka quwadda QSB4.5 uu la barbardhigi karo waxqabad ahaan kuwa badan oo matoorada 6-dhululubo ah ee ka hooseeya 174 hp (130 kW), laga soo bilaabo xirmo aad uga yar oo ka fudud.

SCR waxa lagu daraa fududaynta Naaftada Oxidation Catalyst (DOC) oo ah xidhmo rakiban oo aad u dabacsan.Loo adeegsaday rakibaadda Tier 4 ee Ku-meel-gaadhka ah, DOC waxaa la caddeeyey inay si wax ku ool ah uga saarto Maaddada Qaybaha ah (PM) iyadoo la adeegsanayo qulqulka fudud ee oksaydheynta dadban.Cabirrada ka yar noocyada kale ee daawaynta ka dib ayaa ka dhigaysa kicinta mid ku habboon qalabka bannaan ee xaddidan.Si wada jir ah, DOC iyo Cummins SCR waxay u shaqeeyaan sidii nidaam dhammaystiran oo isku dhafan, oo aad nadiif u nadiif ah.Baakadaha aadka u adag waxay hubisaa in nidaamka daawaynta ka dib uu gaaro cimri dherer la mid ah kan matoorka QSB4.5.Kani waa codsigii ugu horreeyay ee tignoolajiyada VGT Turbocharger ee ku guulaysata abaal-marinta ee mishiinka 4-dhululubo ah.

Tiknoolajiyada cummins ee tikniyoolajiyadda silbashada ayaa leh goobo yar oo xidhmo marka loo eego qaab kasta oo kale ee nashqada marawaxadaha, taasoo keenaysa cimri aan horay loo arag iyada oo la siinayo hagaajinta saxda ah ee socodka hawada ee matoorka, taas oo awood u siinaysa kor u qaadida degdega ah ee mishiinka hooseeya ee rpm iyada oo la ilaalinayo heerka sare ee kor u kaca ee rpm sare.QSB4.5 waxay keenaysaa fudaydka hal-tarbocharger, marka la barbardhigo matoorada 4-dhululubo ee kale ee u baahan laba turbochargers si loo gaaro awood u dhiganta, qulqulka iyo awoodda sare.Doorashooyinka dhexe iyo kuwa sare waxay bixiyaan dabacsanaan naqshadeynta, si ay u sahlanaato isku-dhafka mashiinka.

Nidaamka SCR ee QSB4.5 waxaa si gaar ah ugu habeeyey matoorka CES, iyadoo falcelinta catalytic ay ku dhacayso xitaa heerkulka shaqeynta hooseeya.Heerarka qiyaasta DEF waa la yareeyay iyada oo la xoojiyey isku darka qulqulka qiiqa.Nadiifiyaha hawada ee Qummins Direct Flow wuxuu caawiyaa in la rakibo la fududeeyo iyada oo si weyn loo dhimay sheegashada booska iyo awoodda sifaynta sare.