OED4D12(1.2L)清潔型柴油發動機

• 技術參數

  發動機型式直噴、共軌、WGT/帶有中冷系統

  沖程數4

  結構直列4缸

  缸徑×行程72X76 mm

  總排量1237.7 cm3

  最大功率65 kw / 4200 rpm

  最大扭矩175 N·m / 2200 rpm

  壓縮比16.5:1

  升功率52.5 kw / L

  最低燃油消耗率220 g/kw·h ± 5%

  最大油機消耗率0.6 g/kw·h

  排放標準歐Ⅳ

  凈重140 Kg

  發動機安裝形式橫置

  長×寬×高712X580X665 mm

• 發動機結構

  缸體合金鑄鐵、無缸套、整體式主軸承蓋

  缸蓋鋁合金缸蓋，噴油器中央布置，切向和渦流雙氣道

  活塞輕質鋁合金活塞，兩個氣環和一道油環，ω燃燒室

  曲軸鍛鋼、圓角滾壓、軸頸淬火

  EGR電動EGR閥+冷卻器

  連桿漲斷、鍛鋼

  配氣系統雙頂置凸輪軸、單缸4氣門、液壓挺住+滾子搖臂

  潤滑強制潤滑，帶機油冷卻器

  冷卻離心式水泵，節溫器控制大小循環

   

• ECHNICAL FEATURES

  Generaldirect injection、Common Rail、WGT turbocharger with air /air intercooler disel 4 stroke

  Cycledisel 4 stroke

  Cylinder n°3 in line

  Borexstroke72X76 mm

  Total displacement1237.7 cm3

  Max.power65 kw / 4200 rpm

  Max.powe175 N·m / 2200 rpm

  Compression ratio16.5:1

  Specific power KW/liter52.5 kw / L

  minimumS.F.C220 g / kw·h ± 5%

  MAX.Oil consumption0.6 g/kw·h

  Emission Standard limitsEURO 4

  engine weight(dry.Without accessories)140 Kg

  Engine placementTransverse

  Length*Width*height712X580X665mm

• ENGINE STRUCTURE

  ENGINE BLOCKCast iron 、Integrally cast liners and bedplate for main bearing support

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

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

  CRANKSHAFTForge steel、Fillet deep rolling、Quenching

  EGRElectronic EGR valve and cooler

  CONNECTING RODSFracture、Forge steel

  AIR DISTRIBUTIONDouble camshafts over head valves 、four valves for each cylinder、Roller finger follower+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渦輪柴油發動機1.2L性能曲線