车辆工程毕业设计外文翻译

毕业设计（论文）外文参考资料及译文译文题目：FuelsupplysystemforanInternalCombustionEngine内燃机的燃烧供应系统学生姓名：学号：专业：所在学院：指导教师：职称：2014年02月24日FuelSupplySystemForAnInternalCombustionEngineAbstractApulsationdamperisprovidedbetweenandinserieswithalowpressurefuelsystempipeandahighpressurepumpofafuelsupplysystem.Duringstartupofanengine,lowpressurefuelsuppliedviathelowpressurefuelsystempipeisinjectedfromanintakepassagefuelinjector.Whenthefuelpressureisequaltoorlessthanafuelpressureatwhichgoodstartabilitycanbemaintained,thepulsationdamperclosesoffcommunicationbetweenthehighpressurefuelsystempipeandthelowpressurefuelsystempipeusingthespringforceofaspring.Keywords:Fuelsupplysystem;Aninternalcombustionengine;Apulsationdamper;Alowpressurefuelsystempipeandahighpressurepump;Afuelsupplysystemforaninternalcombustionengine,comprising:alowpressurepumpthatiscapabletopressurizefuel;alowpressurefuelsupplypassagethatiscapabletosupplyfuelthatwaspressurizedbythelowpressurepumptoalowpressurefuelinjectionmechanismwhichinjectsfuelintoanintakepassage;abranchpassagethatbranchesofffromthelowpressurefuelsupplypassageandthroughwhichthefuelthatwaspressurizedbythelowpressurepumpflows;ahighpressurepumpwhichiscapabletopressurizethefuelsuppliedviathebranchpassage,thehighpressurepumpbeingdrivenbytheinternalcombustionengine;ahighpressurefuelsupplypassagethatiscapabletosupplyfuelthatwaspressurizedbythehighpressuretoahighpressurefuelinjectionmechanismwhichinjectsfuelintoacylinder;andapulsationreducingmechanismprovidedonanintakesideofthehighpressurepump,wherein,whentheinternalcombustionengineisstartedbyonlyinjectingfuelfromthelowpressuresupplypassageintotheintakepassage,thepulsationreducingmechanismclosesoffcommunicationbetweenthelowpressurefuelsupplypassageandthehighpressurefuelsupplypassageuntilapressureoffuelinthelowpressurefuelsupplypassagereachesapredeterminedpressurevaluerequiredforstartingtheinternalcombustionengine.Backgroundoftheinvention:1.FieldoftheInventionTheinventionrelatestoafuelsupplysystemforaninternalcombustionengineprovidedwithafuelinjectionmechanismthatinjectsfuelathighpressureintoacylinder(i.e.;afuelinjectorforin-cylinderinjection,hereinafterreferredtoas“in-cylinderfuelinjector”)andafuelinjectionmechanismthatinjectsfuelintoanintakepassageoranintakeport(i.e.,afuelinjectorforintakepassageinjection,hereinafterreferredtoas“intakepassagefuelinjector”).Moreparticularly,theinventionrelatestoafuelsupplysystemthatcanimprovestartabilityofaninternalcombustionengine.2.DescriptionoftheRelatedArtAgasolineengineisknownwhichisprovidedwithafastfuelinjectionvalveforinjectingfuelintoacombustionchamberoftheengine(i.e.,anin-cylinderfuelinjector)andasecondfuelinjectionvalveforinjectingfuelintoanintakepassage(i.e.,anintakepassagefuelinjector),anddividestheinjectedfuelbetweenthein-cylinderfuelinjectorandtheintakepassagefuelinjectoraccordingtotheenginespeedandengineload.Also,adirectinjectiongasolineengineisalsoknownwhichisprovidedwithonlyafuelinjectionvalveforinjectingfuelintothecombustionchamberoftheengine(i.e.,anin-cylinderfuelinjector).Inahighpressurefuelsystemthatincludesanin-cylinderfuelinjector,fuelofwhichthepressurehasbeenincreasedbyahighpressurefuelpumpissuppliedtothein-cylinderfuelinjectorviaadeliverypipe.Thein-cylinderfuelinjectortheninjectsthehighpressurefuelintothecombustionchamberofeachcylinderoftheinternalcombustionengine.Inaddition,adieselengineisalsoknownwhichhasacommonrailtypefuelinjectionsystem.Inthiscommonrailtypefuelinjectionsystem,fuelwhichhasbeenincreasedinpressurebyahighpressurefuelpumpisstoredinacommonrail.Thehighpressurefuelistheninjectedintothecombustionchamberofeachcylinderofthedieselenginefromthecommonrailbyopeningandclosinganelectromagneticvalve.Inordertoincreasethepressureof(i.e.,pressurize)thefuelinthiskindofinternalcombustionengine,ahighpressurefuelpumpisprovidedwhichisdrivenbyacamprovidedonadriveshaftthatisconnectedtoacrankshaftoftheinternalcombustionengine.JapanesePatentApplicationPublicationNo.JP-A-2005-139923describesahighpressurefuelsupplysystemforaninternalcombustionenginethatcanreducevibrationalnoisewhenonlyasmallamountoffuelisrequiredbytheinternalcombustionengine,suchasduringidling,whilebeingabletodeliverthenecessaryamountoffuelovertheentireoperatingrangeoftheinternalcombustionengine.Thishighpressurefuelsupplysystemforaninternalcombustionenginehasatwosingleplungertypehighpressurefuelpumpseachofwhichhaveaspillvalvethatspillsfueldrawnintoapressurizingchamberthatisdividedbyacylinderandaplungerthatmovesbackandforthinthecylinder,fromthatpressurizingchamber.Whenfuelispressurizedanddeliveredfromthepressurizingchambertothehighpressurefuelsystem,theamountoffueldeliveredisadjustedbycontrollingthespillvalveopenandclosed.Oneofthesehighpressurefuelpumpsisafirsthighpressurefuelpumpinwhichtheliftamountoftheplungerissmallandtheotherhighpressurefuelpumpisasecondhighpressurefuelpumpinwhichtheliftamountoftheplungerislarge.Inadditiontothesetwohighpressurefuelpumps,thehighpressurefuelsupplysystemforaninternalcombustionenginealsoincludescontrolmeans.Thecontrolmea