资源描述：
《汽车专业英语-unit2.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、transmission变速器clutch离合器•-engine发动机RearwheelarresterV轮制动器Unit2Automotiveawarenwss1JFundamentalStructureVehiclesarenormallyconstitutedbyfourparts,suchasengine,chassis,body,electricalequipment.Figure1-1showstheoverallstructureofClassicCar.steeringv^ied转向盘rearsuspension后悬架frontwheel前车轮powertrain(tran
2、smission)system传动系abrakesystem制动系aFigure2-2ChassisAssemblyMapsvstem行驶系•rearwlieel后轮fineidrive&different主減速器及差速器tonsrrissionspLaft借动轴sub-frsme副车架frcntwteelarrester前轮制动器/Jfinntsuspension前悬架XFigure2-1OverallStructureOfClassicCar(典型轿车的总体构造)ChassisThevehiclechassisincludesfourmajorcategories：(1)powertr
3、ainsystemortransmissionsystem,(2)suspensionsystem,(3)streeringsystem,(4)brakesystem.1・1・2Enginecamshaft凸轮轴®exhaustvalve扌非气门atimingbelt正时皮带“distributor分电器aairfilter空气滤清器◎carburetor化油器acoolant冷却水心piston活塞aignitionswitch点火开关sparkplug火花塞aignitionloq?点火线圈卩connecting-rod连杆Qcrankshaft曲轴Qinletvalve进气门*■*s
4、tartingengine起动机心alubricant润滑油心1,sump油底壳，弘"血蛮1飞轮“Figure2-3GasolineEngineAppearanceStructure1.1・3Body(Figure2-4)Thebodyisnotonlythedriverworkplace,butalsopassengersandcargoloadingsites・Bodyshouldprovidedriverforgoodoperatingconditionsandprovidethecrewforcomfortableuseconditions(isolatingvibration,n
5、oise,emissionswhenvehicleismovingandtheimpactofbadweather),andtoguaranteeintactloadingandunloadingcargoconvenient・1・1.4ElectricalEquipmentElectricalequipmentconsistsofpowergroup,enginestartingsystemandignitionsystem・Automotivelightingandsignaldevices,instrumentation,navigationsystem,TVs,stereos,ph
6、onesandotherelectronicequipment,microprocessors,thecentralcomputerandvariousdevicessuchasartificialintelligencesystem・Starteristheonlywaytostarttheengineformoderncar.ItiscomposedofDCmotor,driveandcontrolorganizations.Automotiveair-conditioningistheimportantelectricalequipmentinvehicle,mainlyinclud
7、ingthecondenser,evaporatorandreserveliquiddryer・Airbagsalsocalledassistedcrewprotectionsystem.Itisabufferairbagsexpandingquicklywhenthecarwascollidedanddeceleratedrapidly,whichpromisecrewwillnotfrontroofbow顶語前橫梁心
