2025/11/28四沖程發(fā)動機構造與工作過程介紹發(fā)動機燃油供給、冷卻和潤滑系統(tǒng)認識汽車底盤構造認識汽車電氣設備和主動安全系統(tǒng)介紹汽車車身電氣設備和被動安全系統(tǒng)介紹項目一項目二項目三項目四項目五項目六項目七項目八汽車車載網絡系統(tǒng)介紹智能汽車技術介紹新能源汽車結構和工作過程介紹項目九汽車性能參數及檢測設備介紹項目十汽車使用說明書及維修資料翻譯項目二發(fā)動機燃油供給、冷卻和潤滑系統(tǒng)認識學習目標學習時間任務描述引導問題項目內容12345拓展材料6知識目標1.理解關于燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)的組成等的英語術語和詞匯；2.掌握電子燃油噴射系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)的固定表達方法。技能目標1.能運用所學知識，借助專業(yè)詞典，對關于燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)資料進行中英文互譯；2.能在教師指導下，完成與燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)相關的英語資料閱讀和翻譯；3.能正確完成課后練習。素養(yǎng)目標1.通過講解發(fā)動機燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)，介紹各個系統(tǒng)的嚴密結構和承擔的重要作用，培養(yǎng)學生“執(zhí)著專注、精益求精、一絲不茍、追求卓越”的大國工匠精神；2.通過介紹EFI的控制原理，引導學生認真鉆研技術，掌握過硬技能，培養(yǎng)甘于奉獻的勞動模范精神。學習目標

任務描述以汽油發(fā)動機為例，學習有關發(fā)動機燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)的知識，包括發(fā)動機燃油供給系統(tǒng)的油箱、油泵、燃油濾清器、噴油器等以及電子燃油噴射系統(tǒng)，發(fā)動機冷卻系統(tǒng)的水套、節(jié)溫器、水泵、散熱器、風扇等，以及潤滑系統(tǒng)中主要零部件，認識相關術語、詞匯和特殊語句。通過完成該任務，能閱讀關于發(fā)動機燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)的英文文獻，并能運用所學知識，對相關文獻進行翻譯。通過以英語視角學習發(fā)動機燃油供給系統(tǒng)、冷卻系統(tǒng)和潤滑系統(tǒng)的多方面功能與作用，培養(yǎng)學生的大國工匠精神和甘于奉獻的勞動模范精神。１.時間要求:建議6學時學習時間引導問題你知道下圖中英文的意思嗎？項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemEFIsystemsuseinjectorstospraythefuel(shownasFigure2-1).Figure2-1ArrangementofabasicEFIsystem項目內容Thefuelsupplysystemconsistsofthefueltank,fuelpump,fuelfilter,fuelsupplypipe,fuelinjector,fuelpressureregulator,andfuelreturnpipe(shownasFigure2-2Figure2-2PartsofanEFIfuelsupplysystemProject2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystem項目內容Thepipesconnectedtothefueltankare:thefuelsupplyline,thereturnline,thevaporlineandotherlines(shownasFigure2-3).Figure2-3ComponentsofacarburetorfuelsystemProject2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystem項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemTheairinductionsystemconsistsoftheaircleaner,airflowmeter,throttlevalve,airintakechamber,intakemanifoldrunner,andintakevalve(shownasFigure2-4).Figure2-4AirintakesystemforanEFIengine項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemItsmainfunctioninthefuelsystemistotell

theinjectorswhentheyshouldsprayandhowlong

theyshouldremainopen(shownasFigure2-5).Figure2-5Componentsofanelectroniccontrolsystem項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemInthemultipointfuelinjectionsystem,injectorsdeliverfueldirectlyontotheclosed,buthot,intakevalveofeachcylinder(shownasFigure2-6).Figure2-6InputsandoutputstoandfromtheECUforanEFIsystem項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemThecoolingsystemofawater-cooledengineconsistsoftheenginewaterjacket,thermostat,waterpump,radiator,radiatorcap,fan,fandrivebeltandnecessaryhoses(shownasFigure2-7).Figure2-7EngineCoolingSystem項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemItisconstructedtoholdalargeamountofwaterintubesorotherpassageswhichprovidealargeareaincontactwiththeatmosphere(shownasFigure2-8).Figure2-8Engineradiatorassemblycomponents項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemTheoilpump,oilfilterandtogetherwithoilpan,makeupthelubricatingsystemoftheengine(shownasFigure2-9).Figure2-9EngineLubricatingSystem項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemAdequatecrankcaseventilationisalsoimportant(shownasFigure2-10).Figure2-10EngineLubricatingSystemwithoilcooler項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystemOilfilterisplacedintheengineoilsystemtoremovedirtandabrasivesfromtheoil(shownasFigure2-11).Figure2-11Oilfilteranditsposition項目內容Project2UnderstandingofEngineFuelSystem,CoolingSystem,andLubricationSystem2.TranslatethefollowingintoChinese1)electronicfuelinjection2)charcoalcanister3)singlepointfuelinjection4)fuelfilter 5)coolingsystem6)thermostat

7)lubricatingsystem8)crankcaseventilation9)oilsludge3.TranslatethefollowingintoEnglish1)燃油供給系2)燃油濾清器3)空氣流量計4)電子燃油噴射5)多點燃油噴射6)水泵

7)水冷式發(fā)動機8)曲軸箱通風9)機油濾清器拓展材料PracticalReading

Cooling-systemProblems拓展內容借助專業(yè)詞典，對發(fā)動機冷卻系統(tǒng)故障進行中英文互譯。拓展材料

Engineoverheating,lossofcoolantandslowlywarm-uparethemostcommonproblemswithcoolingsystems.OverheatingOverheatingisnoticedbyahightemperature-gaugereading.Themaincausesarelossofcoolantandaccumulationofrustandscaleinthesystem.Coolantthatisdiscoloredorrustyindicateslackofmaintenance.Rust,scaleandcorrosionthatforminthecoolantpassageswillrestrictcoolantflowandparticlescarriedintotheradiatortankwillclogthetubes.Overheatingcansometimesbecausedbyafaultintheignitionorfuelsystems.Anylossofpowerduetoaretardedsparkorapoorfuelmixturecouldcauseaproblem,butpoorengineperformanceshouldbemorenoticeablethanoverheating.拓展材料CoolantLoss

Coolantlossisevidentbytheneedtoconstantlytopupthecoolantinthereservoir.Badcoolantleaksareeasytofind,butleakswhichoccuronlyunderoperatingpressurearemoredifficulttolocateandthesystemwouldhavetobepressure-tested.Externalleakscouldcomefromtheradiator,