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OED494Q(2.8L)清潔型柴油發動機

  • 技術參數

    發動機型式直噴、共軌、VGT/帶有中冷系統

    沖程數4

    結構V6

    缸徑×行程94×100mm

    總排量2776cm³

    最大功率120KW/3800r.p.m

    最大扭矩400N.m/1800r.p.m

    壓縮比17.5:1

    升功率43KW/L

    最低燃油消耗率210g/KW.H

    最大油機消耗率0.4g/KW.H

    排放標準歐IV(取決于車輛的特性)

    凈重235kg

    發動機安裝形式橫置、縱置

    長×寬×高640×735×765mm

  • 發動機結構

    缸體“隧道式”鑄鐵缸體,濕式缸套

    缸蓋整體的鋁合金缸蓋,帶有一個螺旋式進氣道和一個切向式進氣道

    缸蓋罩與凸輪軸支撐一體的鋁缸蓋罩

    活塞輕質鋁合金活塞,兩個氣環和一道油環,ω燃燒室

    凸輪軸齒帶驅動雙頂置凸輪軸

    曲軸表面硬化的鋼曲軸,整體平衡

    曲軸支撐鋁合金主軸承座,可吸收較大的震動

    連桿脹斷連桿

    配氣系統置頂4氣門,滾子搖臂和液壓挺柱驅動

    潤滑強制潤滑,帶機油冷卻器

    冷卻離心式水泵和節溫器控制大小循環

  • ECHNICAL FEATURES

    Generaldirect injection、Common Rail、WGT turbocharger(VGT) with air /air intercooler

    Cycle Diesel 4 stroke

    Cylinder n°V6

    Borexstroke94 * 100 mm

    Total displacement2776 cm3

    Max.power120 kw / 3800 rpm

    Max.powe400 N·m / 1800 rpm

    Compression ratio17.5:1

    Specific power KW/liter43.2 kw / L

    minimumS.F.C210 g / kw·h

    MAX.Oil consumption0.4 g/kw·h

    Emission Standard limitsEURO 4 - (depending onvehicle features)

    engine weight(dry.Without accessories)235 Kg

    Engine placementTransverse,Longitudinal

    Length*Width*height640*735*765mm

  • ENGINE STRUCTURE

    ENGINE BLOCK"Tunnel" type cast iron block,with wet liners.

    HEADOne piece aluminium alloy head with centrally located fuel injectors ,helicoidal and tangential intake port

    OVERHEADAluminium overhead having camshaft support structure integrated.

    PISTIONLight hypereutectic alloy piston.With two compression rings and one oil control ring with omega shaped combustion chamber.

    CAMSHAFTSDouble overhead camshaft, friven by toothed belt.

    CARAKSHAFTSurface hardened steel cranksharft,totally balanced.

    p>CARAKSHAFT SUPPORTIn aluminium, round instead of open that permits a high level of vibration absorption.

     

    CONNECTING RODSFractured steel

    AIR DISTRIBUTIONOver head valves,four valves for each controlled though roller finger folowers and hydraulic lash adjusters.

    LUBRICATIONForced type through rotary pump,with oil cooler.

    COOLINGWater coolant forced circulation through a centrifugal pump and temperature control thermostat

  • 歐IV渦輪增壓柴油發動機2.8L 性能曲線

    OED494Q(2.8L)
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