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1、5汽油机燃料供给系（Fuelsupplysystemof5gasolineengine）ThefourthchapteristhefuelsupplysystemofgasolineengineFirst,fillintheblanksThefuelsupplysystemofthe1.gasolineengineusuallycomesfromthefuelsupplysystem,,,Andotherdevices.2.gasolinesupplyunitincludes,,andsoon.Itsfunc
2、tionistocompletethegasoline,and.3.combustiblemixturegassupplyandexhaustgasequipmentincluding,andotherparts.4.accordingtothephysicspointofview,thewayistoquicklycompletecombustionofgasolinegasolinesprayintotinyparticles,evenifgasoline,gasolineandthenthesesmal
3、lparticlesareevaporated,namelygasoline,andfinallymaketheappropriateproportionofuniformlymixedcombustiblegasmixture.Whentheexcessaircoefficientismorethan1,themixtureiscalledmixture;whenthealphaislessthan0.4,themixturecannotpropagateandtheengineflameout.Thisv
4、alueiscalled"5.".The6.gasolineenginehasawiderangeofworkingconditions.Accordingtothecharacteristicsofthevehicle,itcanbedividedintofivebasicconditions,suchas,,andsoon.7.engineindifferentconditions,thecarburetorshouldprovidedifferentconcentrationsandquantities
5、ofmixedgas.Startingmixtureconditionsshouldsupply;mixedgassupplyshouldbeidle;themixturemediumloadshouldbesupplied;mixedgasandhighloadsshouldbesupplied;accelerationshouldbemixedgassupply.Thefivedeviceofthe8.carburetoristhedevice,thedevice,thedevice,thedevicea
6、ndthedevice.9.typesofcarburetoraccordingtotheairflowinthethroatinadifferentdirection,canbedividedintotwotypes,andaccordingtothenumberofpipes;overlap,canbedividedinto,andaccordingtothenumberofair;thelumencanbedividedinto,and.10.thepurposeofusingmultiplepipes
7、istosolvethecontradictionbetweenengineandengine.11.thebalancefloatchamberusesthebalancetubetomakethefloatchambercommunicatewiththeupperairlumen,thuseliminatingtheinfluenceofthechangeoftheresistanceonthecarburetoroiloutput.12.inthecar,carburetorthrottleandus
8、etwosetsofone-waytransmissionmechanism,namelySum.13.thefunctionofthegasolinefilteristoremovethesumofthegasolineenteringthefront,soastoensureandNormalwork.14.mechanicalpetrolpumpisinstalledononesideofth
