1、毕 业 设 计（论 文）外 文 参 考 资 料 及 译 文 译文题目： 内燃机的供油系统 学生姓名： 学 号： 专 业： 所在学院： 指导教师： 职 称： 20xx年 2月 27日FuelSupplySystemForAnInternalCombustionEngine AbstractApulsationdamperisprovidedbetweenandinserieswithalowpressurefuelsystempipeandahighpressurepumpofafuelsupplysystem.Duringstartupofanengine,lowpressurefuelsup
2、pliedviathelowpressurefuelsystempipeisinjectedfromanintakepassagefuelinjector.Whenthefuelpressureisequaltoorlessthanafuelpressureatwhichgoodstartabilitycanbemaintained,thepulsationdamperclosesoffcommunicationbetweenthehighpressurefuelsystempipeandthelowpressurefuelsystempipeusingthespringforceofaspr
3、ing.Keywords:Fuelsupplysystem;AninternalcombustionengineApulsationdamper;Alowpressurefuelsystempipeandahighpressurepump;Afuelsupplysystemforaninternalcombustionengine,comprising:alowpressurepumpthatiscapabletopressurizefuel;alowpressurefuelsupplypassagethatiscapabletosupplyfuelthatwaspressurizedbyth
4、elowpressurepumptoalowpressurefuelinjectionmechanismwhichinjectsfuelintoanintakepassage;abranchpassagethatbranchesofffromthelowpressurefuelsupplypassageandthroughwhichthefuelthatwaspressurizedbythelowpressurepumpflows;ahighpressurepumpwhichiscapabletopressurizethefuelsuppliedviathebranchpassage,theh
5、ighpressurepumpbeingdrivenbytheinternalcombustionengine;ahighpressurefuelsupplypassagethatiscapabletosupplyfuelthatwaspressurizedbythehighpressuretoahighpressurefuelinjectionmechanismwhichinjectsfuelintoacylinder;andapulsationreducingmechanismprovidedonanintakesideofthehighpressurepump,wherein,whent
6、heinternalcombustionengineisstartedbyonlyinjectingfuelfromthelowpressuresupplypassageintotheintakepassage,thepulsationreducingmechanismclosesoffcommunicationbetweenthelowpressurefuelsupplypassageandthehighpressurefuelsupplypassageuntilapressureoffuelinthelowpressurefuelsupplypassagereachesapredeterm
7、inedpressurevaluerequiredforstartingtheinternalcombustionengine.Backgroundoftheinvention:1.FieldoftheInventionTheinventionrelatestoafuelsupplysystemforaninternalcombustionengineprovidedwithafuelinjectionmechanismthatinjectsfuelathighpressureintoacylinder(i.e.;afuelinjectorforin-cylinderinjection,her
8、einafterreferredtoas“in-cylinderfuelinjector”)andafuelinjectionmechanismthatinjectsfuelintoanintakepassageoranintakeport(i.e.,afuelinjectorforintakepassageinjection,hereinafterreferredtoas“intakepassagefuelinjector”).Moreparticularly,theinventionrelatestoafuelsupplysystemthatcanimprovestartabilityof
9、aninternalcombustionengine.2.DescriptionoftheRelatedArtAgasolineengineisknownwhichisprovidedwithafastfuelinjectionvalveforinjectingfuelintoacombustionchamberoftheengine(i.e.,anin-cylinderfuelinjector)andasecondfuelinjectionvalveforinjectingfuelintoanintakepassage(i.e.,anintakepassagefuelinjector),an
10、ddividestheinjectedfuelbetweenthein-cylinderfuelinjectorandtheintakepassagefuelinjectoraccordingtotheenginespeedandengineload.Also,adirectinjectiongasolineengineisalsoknownwhichisprovidedwithonlyafuelinjectionvalveforinjectingfuelintothecombustionchamberoftheengine(i.e.,anin-cylinderfuelinjector).In
11、ahighpressurefuelsystemthatincludesanin-cylinderfuelinjector,fuelofwhichthepressurehasbeenincreasedbyahighpressurefuelpumpissuppliedtothein-cylinderfuelinjectorviaadeliverypipe.Thein-cylinderfuelinjectortheninjectsthehighpressurefuelintothecombustionchamberofeachcylinderoftheinternalcombustionengine
12、.Inaddition,adieselengineisalsoknownwhichhasacommonrailtypefuelinjectionsystem.Inthiscommonrailtypefuelinjectionsystem,fuelwhichhasbeenincreasedinpressurebyahighpressurefuelpumpisstoredinacommonrail.Thehighpressurefuelistheninjectedintothecombustionchamberofeachcylinderofthedieselenginefromthecommon
13、railbyopeningandclosinganelectromagneticvalve.Inordertoincreasethepressureof(i.e.,pressurize)thefuelinthiskindofinternalcombustionengine,ahighpressurefuelpumpisprovidedwhichisdrivenbyacamprovidedonadriveshaftthatisconnectedtoacrankshaftoftheinternalcombustionengine.JapanesePatentApplicationPublicationNo.JP-A-2005-139923describesahighpressurefuelsupplysystemforaninternalcombustionenginethatcanreducevibrationalnoise
