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【英文标准名称】:Roadvehicles-Localizationofexhaustsystemleaksandequipmentspecifications
【原文标准名称】:道路车辆.排气系统泄漏位置的确定和设备规范
【标准号】:BSISO13556-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-04-15
【实施或试行日期】:1999-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:校正;污染物气体;漏泄试验;试验设备;摩托车;道路车辆;道路车辆零部件;空气污染;发动机排气系统;尺寸;排气系统;试验条件;验证;排气
【英文主题词】:Definition;Definitions;Exhaustgases;Exhaustsystems;Leakdetection;Leaktests;Motorvehicles;Roadvehicles;Testing
【摘要】:ThisInternationalStandardspecifiesamethodtoverifythegastightnessoftheexhaustsystemofroadvehiclesequippedwithaninternationalcombustionengine.Itisprimarilyintendedtoestablishamethodtodetectandlocalizeexhaustsystemleaksinordertoimprovethequalityofexhaustgasmeasurements.ItisalsointendedtocompletetherequirementsofISO3929andapplicableregulations.TheusersofthisInternationalStandardarewarnedthat:a)certainengineswithhighvalveoverlapscamshaftevents,especiallyengineswitheightormorecylinders,maynothaveallexhaustvalvesclosedwhentheengineisstopped.Thisissuemaycausetheleaktesttofail.Thissituationcouldbecorrectedbythedisassemblyoftheexhaustvalveactuationmechanismusingthevehicleorenginemanufacturer'srecommendedprocedure;b)nationalregulationsonthesubjectofpressurizingshouldbecheckedbeforetesting;c)detectedleakagecanbequantifiedundercertaintestconditions.ThisInternationalStandardalsospecifiesthemeasurementapparatusandnecessarydevices.Thismethodisparticularlyrecommendedfor:a)automotiveworkshops,b)laboratoriesbeforeanyemissiontests,c)testinganddiagnosticstations.Themeasurementapparatuscanbeusedattheendoflineofautomotiveandexhaustpartsmanufacturers.note:1)ISO3929:1995,Roadvehicles—Measurementmethodsforexhaustgasemissionsproducedduringinspectionormaintenance.
【中国标准分类号】:T13
【国际标准分类号】:43_060_20
【页数】:14P;A4
【正文语种】:英语