Diesel Injector Fuel Injector 0445120182 Bosch maka Dongfengdfl 4.8 Cummins Sprayer Qsb4.5 Tier 4 Ikpeazụ

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Koodu ngwaahịa	0445120182
Nlereanya igwe	QSB4.5 Tier 4 Ikpeazụ
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QSB4.5 Tier 4 Ikpeazụ

4-cylinder QSB4.5 maka Tier 4 Final dị ike ma na-anabata ya karịa mgbe ọ bụla, na-ebuga ihe ruru 173 hp (129 kW), na oke elu nke 520 lb-ft (705 N•m), mmụba nke pasent 12. karịa nke injin Tier 4 gara aga.Tier 4 Final QSB4.5 na-ekerịta Cummins VGT Turbocharger yiri ya, sistemụ mmanụ ọkụ HPCR yana ECM nwere injin Cummins QSB6.7.Ọ bụghị ihe mgbagwoju anya na mmepụta ike QSB4.5 na-arụ ọrụ na nke ọtụtụ engines 6-cylinder dị n'okpuru 174 hp (130 kW), site na ngwugwu dị ntakịrị ma dị ọkụ.

Ejikọtara SCR na ịdị mfe nke Diesel Oxidation Catalyst (DOC) dị ka ngwugwu nrụnye nke ukwuu.Ejiri ya na nrụnye nwa oge nke Tier 4, egosipụtara na DOC ga-ewepụ ihe dị mkpa (PM) nke ọma site na iji ọsọ dị mfe-site na oxidation passive.Akụkụ dị nta karịa ụdị ọgwụgwọ ọzọ na-eme ka ihe a na-eme ka ọ dị mma maka akụrụngwa nwere oghere.Ọnụ, DOC na Cummins SCR na-arụ ọrụ dị ka usoro ọgwụgwọ zuru oke, dị ọcha nke ọma.Nkwakọ ngwaahịa siri ike nke ukwuu na-eme ka a mara na usoro ọgwụgwọ a gachara na-enweta ịdịte aka ya na nke injin QSB4.5.Nke a bụ ngwa mbụ nke teknụzụ VGT Turbocharger na-enweta ihe nrite na injin 4-cylinder.

Cummins patented sliding nozzle technology nwere saịtị dị ntakịrị karịa ihe nrụpụta turbine ọ bụla ọzọ na-agbanwe, na-eweta ịdịte aka na-enwetụbeghị ụdị ya mgbe ọ na-enye nhazi nhazi nke ikuku na-ebuga na injin ahụ, na-eme ka nkwalite ngwa ngwa na obere engine rpm ka na-ejigide ọkwa dị elu na rpm dị elu.QSB4.5 na-eweta ịdị mfe nke otu turbocharger, n'ụzọ dị iche na engines 4-cylinder ndị ọzọ chọrọ turbochargers abụọ iji nweta ike nhata, ike ike na elu.Nhọrọ etiti na elu ugwu na-enye mgbanwe nhazi, maka ntinye igwe dị mfe.

A haziri sistemụ SCR na QSB4.5 maka injin a site na CES, yana mmeghachi omume catalytic na-eme ọbụlagodi na ọnọdụ okpomọkụ dị ala.A na-ebelata ọkwa dosing DEF site n'ịgwakọta n'ime ikuku iyuzucha.Ihe nhicha ikuku Cummins Direct Flow na-enyere aka mee ka nrụnye dị mfe site na mbelata ohere ohere yana ikike nzacha dị elu.