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OED494Q(2.8L)清洁型柴油发动机

  • 技术参数

    发动机型式直喷、共轨、VGT/带有中冷系统

    冲程数4

    结构V6

    缸径×行程94×100mm

    总排量2776cm³

    最大功率120KW/3800r.p.m

    最大扭矩400N.m/1800r.p.m

    压缩比17.5:1

    升功率43KW/L

    最低燃油消耗率210g/KW.H

    最大油机消耗率0.4g/KW.H

    排放标准欧IV(取决于车辆的特性)

    净重235kg

    发动机安装形式横置、纵置

    长×宽×高640×735×765mm

  • 发动机结构

    缸体“隧道式”铸铁缸体,湿式缸套

    缸盖整体的铝合金缸盖,带有一个螺旋式进气道和一个切向式进气道

    缸盖罩与凸轮轴支撑一体的铝缸盖罩

    活塞轻质铝合金活塞,两个气环和一道油环,ω燃烧室

    凸轮轴齿带驱动双顶置凸轮轴

    曲轴表面硬化的钢曲轴,整体平衡

    曲轴支撑铝合金主轴承座,可吸收较大的震动

    连杆胀断连杆

    配气系统置顶4气门,滚子摇臂和液压挺柱驱动

    润滑强制润滑,带机油冷却器

    冷却离心式水泵和节温器控制大小循环

  • 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

  • 欧IV涡轮增压柴油发动机2.8L 性能曲线

    OED494Q(2.8L)