德尔福高压共轨喷油系统的创新开发201306.pdf

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1、DelphiCommonRailSystemdevelopmentDrLIXiaoluNanjing20thJune2013Emissions&CO2RegulationsChronologyProjecttoreplacetheNEDCprocedurebytheWLTP(WorldwideHarmonizedLight-dutyTestProcedure)IntroductionofRDE(RealDrivingEmissions)Emissionsregulations-ChronologyEuro5a

2、Euro5b/Euro5b+Euro6step1Euro6step2NEDCNEDC+RDEWLTP??CO2regulations-ChronologyAverageEuropeanfleetAverageEuropeanfleetAv.EuropeanfleetCO2=140g/kmCO2=140g/kmCO2=130g/kmCO2=95g/kmNEDCWLTP?200920102011201220132014201520162017201820192020202122013中国排放研讨会WLTCvers

3、ion5Thecycleisbasedonastatisticalstudydonewithrealdatafromalltheassociatedcountries,inordertohaveacyclewhichbettermatchthereality.A«largescale»validation(called«Validationstep2»)isinprogresswiththeparticipationoflotsofstakeholders,includingDELPHI.Thefirst

4、resultsarescheduledforendofSeptember2012.Theversion5cycleistheoneusedforthevalidationphase2,forClass3vehicles.Thegearshiftwilldependonengineandvehiclecharacteristics.AtoolwasdevelopedbytheEuropeanCommissionandavailableCycles


NEDCEPAIIIWLTC5MaxSpeed(km/h

5、)12091132Maxacceleration(m/s²)1.041.51.75AverageSpeed(km/h)3434.145.4Totaltime(s)118018751800Totaldistance(km)1117.822.732013中国排放研讨会Euro6EngineMechanizationwithHP+LPEGR1.Airfilter2.MassAirFlowmeter(+Airtemp.Sensor)3.VGTwithpos-feedback4.Intercooler5.Throttl

6、e(DC-motor)withpos-feedback6.MAPsensorcombinedwithairtemperaturesensor7.Variableswirlactuatorwithpos-feedback8.Crankshaftposition/Enginespeedsensor9.Camshaftpositionsensor10.HPEGRvalve(DC-motor)withpos-feedback11.EngineBlock12.LinearO2sensor13.DOC-Intempera

7、ture14.DieselOxidationCatalyst15.DPF-Intemperature16.CDPFDifferentialPressureSensor17.CloseCoupledDieselParticulateFilter18.CoolantTemperaturesensor19.Glowplugs+ControlUnit20.EngineControlUnit(ECU)21.Atmosphericpressure22.PedalAssembly23.ElectricalLiftPump(

8、option)24.LowPressureSensor(option)25.FuelFilter26.HighPressurePump27.Fueltemperaturesensor28.InletMeteringValve29.HighPressureRail30.RailpressureSensor31.Injectors32.KnockSensor33.Absolute(ordifferent