BS 7403-4-1998 内燃机满液流式润滑油过滤器.初始微粒滞留效率、寿命和累积效率试验方法(重力法)

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【英文标准名称】:Full-flowlubricatingoilfiltersforinternalcombustionengines-Methodsoftestforinitialparticleretentionefficiency,lifeandcumulativeefficiency(gravimetricmethod)
【原文标准名称】:内燃机满液流式润滑油过滤器.初始微粒滞留效率、寿命和累积效率试验方法(重力法)
【标准号】:BS7403-4-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-03-15
【实施或试行日期】:1998-03-15
【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】:过滤;润滑系统部件;内燃机;试样制备;效率;矿物油;粒状材料;寿命;性能;粘度;试样;过滤器;粒度分布;滤油器;试验设备;污染物;方程;重量分析;发动机部件;润滑系统;性能试验
【英文主题词】:Definition;Definitions;Fullflowfilters;Internalcombustionengines;Lubricatingoilfilters;Reciprocatinginternalcombustionengines;Separationefficiency;Servicelife;Testing
【摘要】:ThispartofISO4548specifiestestsfordeterminingtheperformanceoffull-flowlubricatingoilfiltersforinternalcombustionenginesasfollows.Section2:Initialparticleretentionefficiency.Thisgivesthetestproceduresandparametersforthedeterminationoftheinitialparticleretentionefficiencyoflubricatingoilfilterelementsunderdefinedtestconditions.Byreportingtheresultsinaccordancewithsubclause2.6,theprobableretentionefficiencyforanyparticlesizemaybederived.Theretentionefficiencyisdeterminedbythegravimetricmethod.Section3:Lifeandcumulativeefficiency.Thisgivesthetestproceduresandparametersforthedeterminationofelementlifeandcumulativeefficiencyoflubricatingoilfilters.Thecumulativeefficiencyisdeterminedbythegravimetricmethod.NOTE—Byagreementbetweenfiltermanufacturerandpurchaser,testsonlargefilterscanbeconductedonthebasisoftestscarriedoutonfiltersscaled-downinlength.Therelationshipofthefilterflowandtestdustadditionratetotheeffectivelengthofthefiltermediumshouldbethesameinthescaled-downtestsasinthefullsizefilter.ForthepurposesofthispartofISO4548,afilterhavingatestflowrateexceeding100l/minisconsideredlarge.
【中国标准分类号】:J94
【国际标准分类号】:21_260
【页数】:38P;A4
【正文语种】:英语