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1、INTERNATIONA1.STANDARDISO4548-14editionSecond2023-03Methodsoftestforfu1.1.-bustionengines一IiCpu1.sedurabi1.ityforcompositefi1.terhousingsReferencenumberISO4548-14:2023(E)COPYRIGHTPROTECTEDDOCUMENTISO2023IUirhM*hedbdi1.iUedotherwiseupdhi.orkwqnttoctu1.aicnpkni1tUqntt*HdUcop)nppU1.joationmaytheinterne
2、toranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISOsmemberbodyinthecountr)oftherequester.f),WVfifiU81.andonnet8CH-1214Vernier,GenevaPhone：M1.227490111觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsPageForewordItroduction3 Normativereferences1Terms,de
3、finitionsandgraphica1.symbo1.s3.1Termsanddefinitions14 32GraPhiCa1.symbo1.s15 Operationa1.characteristicstobetestedIeeStequipment27 Test1.iquic1.28 IeeSttemperature29 ACCC3rac*21Hydrau1.icpu1.sedurabi1.itytest1 estreport5Annex(informative)Va1.uestobeusedfortestsifnoagreementisreachedwiththemanufactu
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7、/patents).Anytradeusedinthisconstitutenameendorsement,documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningofISOspecifictermsand觐牌R涸现dwarWMMO)assE麻皿噩inwef像际R裂沁nBar池然MSft氯eadPaes地vvw.iso.orgiso/forewod.htmI.?报眼ScGasTesJxired肪ric。门册用版?
8、J1.ca1.CommitteeISO/TC70,Ibustionengines.Thissecondeditioncance1.sandrep1.acesthefirstedition(ISO4548-14:2016),whichhasbeentechnica1.1.yrevised.Themainchangesareasfo1.1.ows:thetit1.eofthisdocumenthasbeenupdated,removingco1.dstartsimu1.ation*;thetestsystemschematichasbeenadded：thetestsystemsetuphasbe
9、endefinedinmoredetai1.;thestatistica1.eva1.uationintestingwithmu1.tip1.esamp1.eshasbeenadded.A1.istofa1.1.partsintheISO4548seriescanhefoundontheISOwebsite.AnyfeedbackorquestionsonthisdocumentShOUWWded4o41.wnationa1.standardsbody.Acomp1.ete1.istingofthesebodiescanbefoundatwww.iso.org/members.htm1.Int
10、roductionThisdocumentestab1.ishesstandardtestproceduresformeasuringtheperformanceoffu1.1.-f1.ow1.utahHirtj4iginf1.sThw1.80c45rt8desebthQ3tbpof1.iCeprcpaUkperature-sensitiQrrtiQtf1.rah1.peinginternGparticu1.arperformancecharacteristic.愧姮f1.rbM*ecnt曲th检&尊8招VKS1.f*isUcss*I1.ratCIy.fUterbut,ifMethodsoft
11、estforfu1.1.-bustionengines一Hydrau1.icpu1.sedurabi1.ityforcompositefi1.terhousings1 Scopebustion1.ubricatingoi1.WithstandmanufacturedPressurecompositeandpressureinterna1.e1.ementstestsconstuctedofapp1.icationtemperature-sensitivemateria1.s.detachab1.efi1.terswithdisposab1.e2 Normativereferencesconst
12、itutesrequirements1.atesteditiondocument.referencedreferences,(indudingamendments)app1.ies.app1.ies.Graphica1.Symbo1.sforconventiona1.useanddate-processingapp1.icationsDifferentia1.pressure/f1.owcharacteristics3 Terms,denitionsandgraphica1.symbo1.s3.1 Termsanddefinitionsapp1.y.ISOOn1.inebrowsingp1.a
13、tform:avai1.ab1.eathttpsUwvv.isoFgobp3.2 Graphica1.symbo1.s4 Operationa1.characteristicstobetestedStartingperformedatorhydrau1.ictemperaturesduringpressuresoperation,fi1.tersspecifiedinin-service1Part14:Thisdocumentspecifiesthehydrau1.icpu1.sedurabi1.itytestforcompositefi1.terhousings.Thismethodthef
14、orabi1.ityoffu1.1.-f1.owenginestofi1.tersinterna1.withsurgecyc1.icvesse1.pressurevariationsexperiencedintheapp1.icationatspecifiedoperatingtemperatures.Theseareintendedforcompositeortospin-ontypefi1.tersandThefo1.1.owingdocumentsarereferredtointhetextinsuchawaythatsomeora1.1.oftheircontentundatedreferences,theofthisoftheFordateddocumenton1.yIhcanyeditioncitedForISO1219-1,F1.uidpowersystemsandcomponentsGraphica1.mbo1.sandcircuitdiagramsPart1：ISO4548-1.rMethodsoftestforfu1.1.-bustionenginesPart1:Forthepurposesofthisdocument,thete11nsanddefinitionsgiveninISO4548-1andthefo1.1.owingISOan
