Injiza ya Diesel Yatewe inshinge 0445120182 Bosch ya Dongfengdfl 4.8 Cummins Sprayer Qsb4.5 Icyiciro cya 4 Final

4-silinderi QSB4.5 kuri Tier 4 Final irakomeye kandi irashishikara kuruta mbere hose, itanga hp 173 (129 kW), hamwe numuriro wa 520 lb-ft (705 N • m), kwiyongera 12% hejuru ya moteri yambere y'icyiciro cya 4 cyabanjirije.Icyiciro cya 4 Final QSB4.5 isangiye Cummins VGT Turbocharger isa, sisitemu ya peteroli ya HPCR na ECM hamwe na moteri ya Cummins QSB6.7.Ntabwo bitangaje kuba ingufu za QSB4.5 zigereranywa mumikorere niyindi ya moteri nyinshi 6 ya moteri iri munsi ya 174 hp (130 kW), uhereye kumapaki mato mato kandi yoroshye.

SCR ihujwe nubworoherane bwa Diesel Oxidation Catalyst (DOC) nkibikoresho byoroshye byo kwishyiriraho.Byakoreshejwe ku cyiciro cya 4 cy'agateganyo, DOC yerekanwe gukuraho neza Ikintu Cyihariye (PM) ukoresheje ibintu byoroshye bitembera neza.Ibipimo bito kurenza ubundi bwoko bwa nyuma yo kuvura bituma iyi catalizator iba nziza kubikoresho bigabanijwe n'umwanya.Hamwe na hamwe, DOC na Cummins SCR bakora nka sisitemu yuzuye, ultra-isuku nyuma yo kuvura.Ibipfunyika bikomeye cyane byemeza ko sisitemu yo kuvura nyuma yo kugera ku burebure bungana na moteri ya QSB4.5.Nibikorwa byambere bya tekinoroji ya VGT Turbocharger yatsindiye ibihembo kuri moteri ya silindari 4.

Cummins yapanze tekinoroji ya nozzle ifite ibibanza bike byo kwambara kurenza iyindi miterere ihindagurika ya turbine, izana igihe kitigeze kibaho mugihe itanga ihinduka ryukuri ryimyuka ihabwa moteri, bigatuma imbaraga zihuta kuri moteri rpm mugihe gikomeza urwego rwo hejuru rwo kuzamura kuri rpm.QSB4.5 izana ubworoherane bwa turbocharger imwe, bitandukanye na moteri ya silindari 4 isaba moteri ebyiri kugirango ibashe kubona ingufu zingana, torque nubushobozi bwo hejuru.Hagati-na-hejuru-ihitamo itanga igishushanyo mbonera, kugirango byoroshye guhuza imashini.

Sisitemu ya SCR kuri QSB4.5 yashyizweho byumwihariko kuri iyi moteri na CES, hamwe na catalitiki reaction iba no mubushyuhe buke bwo gukora.Urwego rwa DEF rugabanutse cyane hamwe no kuvanga kwinshi mumazi asohoka.Cummins Direct Flow isukura ifasha koroshya kwishyiriraho hamwe nigabanuka ryumwanya ugaragara hamwe nubushobozi bwo kuyungurura.