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【英文标准名称】:Methodsoftestforfull-flowlubricatingoilfiltersforinternalcombustionengines-Part4:Initialparticleretentionefficiency,lifeandcumulativeefficiency(gravimetricmethod)
【原文标准名称】:内燃机全流式机油滤清器试验方法第4部分:原始容灰量、滤芯寿命和累积效率(重量法)
【标准号】:ISO4548-4-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC70
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;试验;内燃机;润滑油过滤器;往复式内燃机;工作时间;满流式滤清器;分离效率
【英文主题词】: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】:J95
【国际标准分类号】:21_260
【页数】:30P;A4
【正文语种】:英语