燃油系統(tǒng)及其零部件培訓(xùn)資料

21-Mar-23燃油系統(tǒng)及其零部件

31.03.201221-Mar-23燃油系統(tǒng)21-Mar-23321-Mar-233燃油系統(tǒng)的位置位于車身底部貼近后懸掛系統(tǒng)及排氣管位于后排座椅下部21-Mar-234燃油系統(tǒng)的工作環(huán)境貼近后懸掛系統(tǒng)及排氣管車輪卷起的石塊撞擊

跟隨懸掛系統(tǒng)顛簸，振動(dòng)

排氣管部位的高溫烘烤位于車身底部泥土，碎石等的沖擊。

存在托底風(fēng)險(xiǎn)，與地面直接接觸。

接受環(huán)境溫度沖擊：夏季路面高溫及冬季寒冷低溫。

光照腐蝕

防水性能

防銹性能位于后排座椅下部乘客體驗(yàn)：噪音，振動(dòng)等惡劣的工作環(huán)境21-Mar-23521-Mar-235燃油系統(tǒng)的功能燃油加注燃油存儲燃油供應(yīng)安全通氣性安裝固定噪音控制燃油系統(tǒng)排放法規(guī)要求21-Mar-23621-Mar-237燃油系統(tǒng)的種類金屬燃油箱塑料燃油箱TI的產(chǎn)品金屬燃油箱逐漸被塑料燃油箱所替代。21-Mar-238PFT=PlasticFuelTank塑料燃油箱SFT=SteelFuelTank金屬燃油箱燃油系統(tǒng)的種類21-Mar-239塑料燃油箱系統(tǒng)的形式馬鞍形油箱主副分體油箱長體油箱常規(guī)油箱塑料燃油箱可適應(yīng)更復(fù)雜的車身機(jī)構(gòu)，更緊湊的車身設(shè)計(jì)，可完成復(fù)雜形狀的成型，提高空間利用率。21-Mar-2310塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)燃油加注基本要求1.燃油可以順利流入燃油箱本體中2.加油同時(shí)產(chǎn)生的燃油蒸汽可以順利排出3.安全：無燃油溢出，無燃油飛濺，防靜電等加油管總成21-Mar-2311塑料燃油箱功能的實(shí)現(xiàn)加油管總成流入端流出端燃油流入通路(fillpipeshell)TI制作HDPE蒸汽流出通路(ventline)多為采購部件-PA，-PB550，-橡膠（NBR,NBR/PVC,FKM)21-Mar-2312塑料燃油箱功能的實(shí)現(xiàn)加油管總成加油管單向閥(Inletcheckvalve)采購部件-HDPE-POM-彈簧-金屬加油站加油槍與加油管配合部分（fillhead,fillneck)采購部件金屬HDPE（玻纖+炭黑）特殊要求具有導(dǎo)電性，可將加油過程中燃油與加油管側(cè)壁摩擦產(chǎn)生靜電通過車體接地。21-Mar-2313塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)燃油存儲基本要求1.足夠大的存儲空間2.剩余容積的正確顯示3.保持密封性4.耐高低溫5.安全：抗沖擊，抗腐蝕，阻燃等21-Mar-2314燃油箱分總成塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)燃油箱殼體(Tankshell)TI制作HDPE密封圈+鎖緊蓋(lockring+sealing)采購部分密封圈NBRNBR/PVCFKM鎖緊蓋金屬HDPEPPPOM隔熱板(HeatShield)采購部件鋁

鋼板21-Mar-2315塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)燃油供應(yīng)基本要求1.為發(fā)動(dòng)機(jī)提供持續(xù)有效地燃油供給2.保持供油系統(tǒng)壓力3.密封性21-Mar-2316塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)燃油泵及供油管路供油管路(feedline,returnline,deliveryline)采購部件PB550燃油泵總成(pumpmodule)采購部件21-Mar-2317塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)外置濾清器外置濾清器(externalfuelfilter)采購部件塑料金屬21-Mar-2318塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)通氣性基本要求1.保正在各種工況下燃油蒸汽能夠順利排出2.平衡燃油系統(tǒng)內(nèi)部壓力3.氣密性4.不能有燃油通過通氣系統(tǒng)泄漏21-Mar-2319燃油箱通氣系統(tǒng)塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)通氣接頭(Ventnipple)采購部件HDPE功能要求控制加入的燃油容量，主要在加油時(shí)起作用。翻轉(zhuǎn)閥(ROV，GVV)采購部分HDPE功能要求調(diào)節(jié)燃油箱內(nèi)部壓力，保持通氣油箱翻轉(zhuǎn)后自動(dòng)關(guān)閉，防止燃油流出。蒸氣管路(vaporline)采購部件PA12PB55021-Mar-2320塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)安裝固定及噪音控制安裝固定的基本要求1.燃油箱系統(tǒng)安裝的牢固性2.固定位置精準(zhǔn)噪音控制的基本要求1.減少震動(dòng)噪音2.減少摩擦噪音3.減少液體擾動(dòng)噪音4.降低噪音的傳遞21-Mar-2321塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)綁帶(strap)采購部件不銹鋼合金鋼鋁墊塊(Pad)采購部件橡膠泡棉21-Mar-2322塑料燃油箱系統(tǒng)功能的實(shí)現(xiàn)安全性21-Mar-23零部件詳細(xì)加油口接頭Inletcheckvalve(ICV)/fillspud限油閥FLVV翻轉(zhuǎn)閥/重力閥ROV/GVV碳罐/限油閥管路Carboncanister/FLVVlines供油管路Fuelfeedline蒸汽管路Vaporventline通氣管路Re-circulationLines油泵總成Module(MRA)綁帶Straps隔熱板HeatShield(s)線束WireHarnesses固定部件及支架ShieldsAttachments,Misc.Clips,RingsandBrackets加油管總成FillerPipeAssemblies零部件TypesTwomaterialouterhousing,co-injectedMulti-componentOvermoldingMono-materialconstructionFunctionAttachmentforFillPipeGuidesfueltotankSealsincaseofFillPipeseparationincrashReducesfuelexposureofFillPipeHoseTypicallyweldedtoTankShell(HotPlateWelding)加油口接頭FunctionStopsvaporflowtocanisterwhentankisfullForcesfeedbacktonozzletoshutoffProvidessecondaryventingoftanksystemRestrictsLiquidCarryOvertocanisterTypesModulemounted(asshowninimage)Weldedversion(independentofmodule)FLVV接頭ROVFunctionProvidesventingoftanksystemtocanisterShutsoffliquidfuelincaseofroll-overTypesWeldedInsertable(modulemounting)GrommetinsertedInternallymountedGVVFunctionSameasROVAddstwodifferentflowsattwodifferentpressuresAidsinbettercontroloffilling翻轉(zhuǎn)閥/重力閥FunctionsAbsorbfuelvapor,retentionfuelvaporuntilconsumedbyengineCanistersizesareratedbycapacityoffueltankandemissionneedsbyOEMpower-traingroups碳罐FunctionsTransportsrefuelingvaportotheFillPipecupSomevaporwillbeingestedintotankthusreducevaporemissionReadyforgasstationstorecoverfuelvapor(insomearea)蒸發(fā)與通氣管路Sub-Components/FeaturesFlange(steelorplastic)Electricalconnection(E-conn)Supply/ReturnPortsOBDIISensor(NA)FLVV/FLVVPortReservoir“can”(w/pump,filter,regulatorcontainedwithin)LevelSenderw/float燃油泵FunctionFilterfueltoprovidecleansupplyProvidepropervolumeoffuelatrequiredpressureEnsurenoleakageifportsbreakincrashSendfuellevelreadingtoIP(ohmoutput)OfferventingandfilllevelcontrolwhenFLVVisincorporatedintoFlangeProvidelocationforOBDII(NA)PressureSensortodetectleaksduringdiagnosticcyclesOfferfueltransportoptionsin“saddle”or“twin-tank”systemsCorvetteDual-tankSystem燃油泵FunctionSecuresFuelStorageandDeliverySystemstoUnitBodyorvehicleframeSupportstankfromexcessivesagduringheatandpressureAidsinretainingHeatShieldsTypesStampedStripStampedPanIntegralTub(heatshield,strap&skidplateinoneunitMaterialsCoatedSteelsAluminumStainlessSteel綁帶FunctionProtectstanksystemfromexcessiveheatduringnormalandheavyloaddriving,failedexhaust,andexcessiveambienttemperaturesMayofferextraprotectionduringfiretestingTypicallyattachedtofueltankperOEMs…usuallyworksbestwhenattachedtoexhaustVariousattachmentmethodsMaterialsStampedcoatedsteelsCompressionmolded,glass-filledresinSingle,ormulti-layerAluminumFiberblanket/AluminumsubstratecompositesInjectionmoldedplasticsOthers隔熱板FunctionSendspowertochassisbundle/ECUtopumpTransmitspowertoFreshAirSolenoidsRelayssignalsforfuellevelsensingandOBDIIPressureSensortoECU/IP線束ClipandBracketFunctionSecurestubesandhosestotanktoeliminatewearandnoiseMountingforvalueaddedcomponentssuchasCarbonCanistersRetainingHeatShieldsAssemblyaids,suchashandlesMaterialsHDPE–PaxonBA50100equivalentforweldableportionsorentirecomponent(N.A.applications)Injectionmolded,ortwoplasticover-moldingsMetalandplasticcomposites附加部件及支架ModuleAttachmentRingFunctionSecuresModuletotankProvidesserviceableinterfaceforrepairProvidestanksurfaceandinterfacestrengthincaseofvehicularcrashCompresseso-ring/sealbetweenflangeandtankMaterialsCoatedSteelswithsecondarycoatingsMetalandplasticcomposites燃油泵固定部件FunctionDirectfueltotankduringfillRe-circulatesvaporforloweratmosphericemissionsTypesCoatedSteelStainlessSteelPolymerFerrous/Polymerhybrids加油管總成21-Ma