【英文标准名称】:StandardTestMethodforVehicleEvaluationofUnleadedAutomotiveSpark-IgnitionEngineFuelforIntakeValveDepositFormation
【原文标准名称】:进气阀沉淀物中汽车点火无铅机油评估的标准试验方法
【标准号】:ASTMD5500-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.A0.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:automotivespark-ignitionenginefuel;BMWIntakeValveDepositTest;depositcontroladditive;deposits(ininternalcombustionengines);driveability;intakevalvedeposits;Automotiveenginefuels/oils;BMWintakevalvedeposittest;BMWserviceschedu
【摘要】:TestMethod8212;Itwasdeterminedthroughfieldtestingthatintakevalvedepositscouldadverselyaffectthedriveabilityofcertainautomobiles.SouthwestResearchInstituteandBMWofNorthAmerica(BMWNA)jointlyconductedtestingtodevelopthistestmethodtodetermineanunleadedautomotivespark-ignitionenginefuel''spropensitytoformintakevalvedeposits.Thistestingconcludedthatifanautomotivespark-ignitionenginefuelcouldkeepintakevalvedepositsatorbelowacertainaverageweightpervalveattheendofmileageaccumulation,thenthatautomotivespark-ignitionenginefuelcouldbeusedintheBMWvehicle-enginecombinationforaspecifiedperiodwithoutintakevalvedepositscausingdriveabilitydegradation.Minimizingintakevalvedepositsmaybenecessarytomaintainvehicledriveabilityandtailpipeemissionscontrol.StateandFederalLegislativeandRegulatoryAction8212;LegislativeactivityandrulemakingprimarilybyCaliforniaAirResourcesBoardandtheEnvironmentalProtectionAgencynecessitatetheacceptanceofastandardizedtestmethodtoevaluatetheintakesystemdepositformingtendencyofanautomotivespark-ignitionenginefuel.RelevanceofResults8212;Theoperatingconditionsanddesignoftheengineandvehicleusedinthistestmethodarenotrepresentativeofallmodernautomobiles.Thesefactorsshallbeconsideredwheninterpretingtestresults.TestValidity:ProceduralCompliance8212;Thetestresultsarenotconsideredvalidunlessthetestiscompletedincompliancewithallrequirementsofthistestmethod.DeviationsfromtheparameterlimitspresentedinSections10and11willresultinaninvalidtest.Engineeringjudgmentshallbeappliedduringconductofthetestmethodwhenassessinganyanomaliestoensurevalidityofthetestresults.VehicleCompliance8212;AtestisnotconsideredvalidunlessthevehiclemetthequalitycontrolinspectionrequirementsasdescribedinSection10.1.1Thistestmethodcoversavehicletestprocedureforevaluationofintakevalvedepositformationofunleadedspark-ignitionenginefuels.Thistestmethodusesa1985modelBMW318ivehicle.Mileageisaccumulatedfollowingaspecifieddrivingscheduleoneitherpublicroadortesttrack.ThistestmethodisadaptedfromtheoriginalBMWofNorthAmerica/SouthwestResearchInstituteIntakeValveDeposittestandmaintainsasmuchcommonalityaspossiblewiththeoriginaltest.ChassisdynamometersshallnotbeusedforthistestprocedureastheBMWNA/SwRIIVDTestwasnotintendedtobeapplicabletochassisdynamometersandnocorrelationbetweenroadoperationandchassisdynamometershasbeenestablished.Note18212;IfthereisanydoubtastothelatesteditionofTestMethodD5500,contactASTMInternational.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificstatementsonhazardsaregiventhroughoutthistestmethod.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:28P.;A4
【正文语种】:英语