汽车英语全套ppt完整版课件整本书电子教案最全教学教程(最新)

1、Automobile Practical EnglishUnit OneContentsV. GlossaryIV. Exercises III. Text B- Principle of Four-stroke Engine II. Text A- Automobile StructureI. Related Knowledge1. What is the heart of an automobile?Engine is the heart of an automobile.I. Related Knowledge2. How many main units does the automob

2、ile consist of? What are they?Four main units.They are engine, chassis, body and electrical equipments. 3. We say the chassis is composed of four main systems, what are they?Transmission, suspension, steering and braking systems. II. Text A- Automobile StructureThe modern automobile contains more th

3、an 15,000 separate, individual parts and comprises several structural and mechanical systems. individual parts 单个部件structural 有一定结构的As its name indicates, it obtains power by burning the fuel within the cylinders and converts the expanding force of the combustion into rotary force used to propel the

4、 vehicle. As its name indicates 顾名思义convertinto 把转换为force 力The transmission system consists of clutch, gearbox, propeller shaft, rear axle and differential and the driving road wheels. transmission system 传动系propeller shaft 传动轴differential 差速器The clutch or torque converter has the task of connecting

5、 and disconnecting the engines power from the driving wheels of the vehicle. clutch 离合器torque converter 液力变矩器The basic job of the suspension system is to absorb the energy of impacts of the tires along the road surface, and the shocks damp or dissipate that energy, using hydraulics, so that the susp

6、ended portion of the vehicle does not keep bouncing. impact 冲击damp 衰减dissipate 驱散，消失Power steering is a system for reducing the steering effort on cars by using an external power source to assist in turning the steering wheel and make the vehicle easier to manoeuvre.steering effort 转向力manoeuvre 熟练操作

7、The electrical system supplies electricity for the ignition, horn, lights, heater, and starter. The electricity level is maintained by a charging circuit. ignition 点火horn 喇叭starter 起动机charging circuit 充电电路Of all automobile components, an automobile engine is the most complicated assembly with domina

8、nt effects on the function of an automobile. complicated 复杂的function 功能，作用III. Text B- Principle of Four-stroke EngineThe burning of the fuel caused a rapid rise in cylinder pressure which is converted to useful mechanical energy by the piston and crankshaft. pressure 压力piston 活塞crankshaft 曲轴The int

9、ake stroke of a four-stroke engine begins with the piston at top dead center (TDC). intake stroke 进气冲程top dead center (TDC) 上止点bottom dead center （BDC）下止点Therefore, a mixture of gasoline and air, pushed by the atmospheric pressure outside the engine, rushes through the intake manifold and into the e

10、ngine cylinder. atmospheric pressure 大气压intake manifold 进气歧管The air-fuel charge is now under compression so that it will produce a great deal of power when the spark plug ignites it. spark plug 火花塞ignite 点火Just as or slightly before the piston reaches TDC on the compression stroke with the air-fuel

11、mixture fully compressed, a timed electrical spark appears at the spark plug. compression stroke 压缩冲程In other words, while the exhaust valve is open, the upward movement of the piston provides an effective method for discharging all waste gases from the engine cylinder and combustion chamber. exhaus

12、t valve 排气门combustion chamber 燃烧室i. Identify the English names of automobile assemblies according to the picture.1-engine；2-clutch； 3-transmission；4-propeller shaft；5-differentialIV. Exercisesii. Fill the missing words in the blanks of the following dialogue and role-play in pairs adapted from the d

13、ialogue.Mary: Hi, John, what are you doing?John: Hi, Im testing the transmission.Mary: Transmission? What does that name refer to?John: Eh, it refers to the series of parts used to transmit the engine torque from the flywheel to the vehicles driving wheels. Do you know its four major components?Mary

14、: Im afraid I dont know about that, can you tell me?John: Well, the transmission usually consists of four major components: clutch , gearbox, drive shaft and final drive assembly.Mary: Oh, Ive heard of the clutch, so it belongs to the transmission?John: Yes.Mary: What are the functions of the final

15、drive assembly?John: It provides a suitable top gear ratio, transmits drive to the road wheels, and provides a different action between driving wheels when the vehicle is cornering.iii. Match the English phrases or words with the numbers on the diagram and write them down.1-valve；2-pulley；3-timing b

16、elt；4-cylinder block；5-camshaft；6-piston；7-crankshaft；8-oil panV. Glossaryautomobile n. 汽车chassis n. 底盘internal combustion engine 内燃机propel vt. 推进, 驱使spark-ignition engine 火花点火式内燃机compression-ignition engine 压缩点火式内燃机clutch n.离合器propeller shaft 螺旋轴；传动轴torque converter 液力变矩扭器， 转矩变换器hydraulic adj.水力的,

17、水压的，液压的flexible joint 柔性接头, 挠性连接, 挠性接头shock absorber 减震器，缓冲器,减震器, 阻尼器power steering system 动力转向系统alternator n.交流发电机Thank You !Unit 2subsystem 5sQb7sistim n. 子系统wiring 5waiEriN n. 线路，配线sensor 5sensE n. 传感器pulse pQls n. 脉冲coolant 5ku:lEnt n. 冷却液velocity vi5lCsiti n. 速度，迅速stoichiometry 7stCiki5Cmitri n

18、. 化学计量法EFI system 电子控制燃油喷射系统fuel filter 燃油滤清器fuel delivery pipe 燃油分配管fuel rail 燃油管路fuel injector 喷油器fuel pressure regulator 燃油压力调节器fuel return pipe 燃油回油管L type EFI system L型电控燃油喷射系统engine sensor 发动机传感器electrical solenoid 电磁阀injection pulse width 喷射脉冲宽度air/fuel ratio 空燃比fuel economy 燃油经济性3valve vAlv

19、n. 气门intake ports 进气道exhaust manifold排气歧管timing gear正时齿轮camshaft凸轮轴tappet 5tApit n.挺杆push rod推杆rock rCk n.摇臂oil pump机油泵valve spring 气门弹簧eccentric wheel偏心轮bronze bush青铜衬套valve clearance气门间隙valve stem 气门杆,阀杆recess ri5ses n.切口，退刀槽valve train 气门机构，配气机构coil spring 螺旋弹簧camshaft play 凸轮轴端隙rocker contact pa

20、d 摇臂接触部位silichrome heat-resistant steel 硅铬耐热钢variable coil pitch spring 变螺距弹簧4power train 传动系transmissiontrAnz5miFEn n. 变速器clutchklQtF v. 离合器differential7difE5renFEl n. 差速器synchronizer5siNkrEnaizE n. 同步器transaxletrAnsAksl n. 传动轴drive shaft 驱动轴universal7ju:ni5vE:sEl n. 万向节bumper5bQmpE n. 保险杠，缓冲器relea

21、se bearing 分离轴承manual transmission 手动变速器reverse idler gears 倒档中间齿轮automatic transmission 自动变速器planetary-gear system 行星齿轮系hydraulic control system 液力控制系统propeller shaft 传动轴universal joint 万向节four-wheel drive 四轮驱动thrust pad 止推垫5tractive effort 牵引力crankshaft5krANkFB:ft n.曲轴axle5Aksl n. 轮轴、车轴drive line

22、动力传动系统，驱动系统propeller shaft 汽车传动轴，万向节轴inertiai5nE:FjE n. 惯性, 惯量coasting5kEustiN 滑行，惯性运转，滑行距离tractive resistance 牵引阻力reverse gear 反转齿轮splinesplain n. 花键 vt.开键槽于，用花键连接rimrim n. 边, 轮缘, 蓝框synchronizer sleeves 同步器啮合套gear shift mechanism 换档机构reverse speed safety device 倒档速度安全装置snapsnAp v. 咬住，抓住，卡断hubhQb n.

23、 毂, 木片, 中心6suspension sEs5penFEn n. 悬架gusset 5Qsit n. 加力片，角板，三角加强板bumper 5bQmpE n. 缓冲器，减振器，保险杠deflection di5flekFEn n. 变形，变位，挠曲jerk dVE:k n. 猛然一拉振动，冲击pitch pitF v. 纵向摇动，俯仰，前后颠簸loop lu:p n. 卷耳，圈，环shackle 5FAkl n. 钩环，挂钩，吊耳elasticity IlAs5tIsItI n. 弹性，弹力，伸缩性U-bolt U型螺栓transversely 5trAnzvE:s li adv. 横向

24、地oscillation 7Csi5leiFEn n. 震荡，振动，来回摆动wishbone 5wiFbEun n. 叉骨, Y字型的东西twisting and bending forces 扭力和弯力steering angle 转向角torsion bar 扭杆rebound clips 回跳夹，钢板弹簧定位夹independent suspension system 独立悬架系统shock absorber 减振弹簧7column 5kRlEm n. 柱，杆pitman 5pitmEn n. 连杆，摇杆gearset 5iEset n. 齿轮组，变速箱rack rAk n. 齿条wor

25、m wE:m n. 蜗杆pitch pitF n. 螺距，齿节，节距pivot 5pivEt n. 枢轴，主销sleeve sli:v n. 衬套nut nQt n. 螺母radius 5reidjEs n. 半径knuckle 5nQkl n.关节，转向节，万向接头rack-and-pinion steering gear 齿轮齿条式转向器recirculating-ball steering gear 循环球式转向器SUV(Sport Utility Vehicle) 运动型多用途车gear sector 齿扇steering wheel 方向盘linear motion 线性运动stee

26、ring shaft 转向柱，转向杆steering knuckle arm 转向节臂pitman arm 转向摇臂tie rod 转向横拉杆8stability stE5biliti n. 稳定性diagnostic 7daiE5nCstik adj. 诊断的，（有）特征的illuminate i5lju:mineit v. 照亮，发光activate 5Aktiveit v. 使活动，对起作用，起动，开动retrieve ri5tri:v v. 更正，纠正，弥补antiskid 5Antiskid n.防滑装置antilock 5Anti n.防抱死solenoid 5sEulinCid

27、n.电磁线圈coefficient kEui5fiFEnt n. 系数property 5prCpEti n.属性，特性needle 5ni:dl n.指针nozzle 5nCzl n.喷嘴regulator 5rejuleitE n.调节器exciter ik5saitE n.振荡器，激发器，励磁机instrument panel 仪表板warning light 警告灯magnetic induction 磁感应solenoid valve 电磁阀9electrical system 电气系统charging system 充电系统 starting system 起动系统,起堆系统 ig

28、nition system 点火系统; 点火装置; 发火系统;点火系lighting system 照明系统 auxiliary system 辅助系统battery 5bAtEri n. 电池, 蓄电池alternator 5C:ltE(:)neitE n. 交流发电机voltage regulator 稳压器,电压调节器, 调压器indicator light 指示灯self-starter self5stB:tE(r) n. 电动式起动装置starter motor 起动电动机;起动机solenoid switch 电磁开关spark plug 火花塞park light 停车灯head

29、light 5hedlaIt n.前灯, 桅灯dip switch 双列直插式封装开关 stop-lights 制动灯turn-signals 转向信号灯alert E5lE:t adj.提防的, 警惕的n.警惕, 警报reversing light n. 汽倒车灯fault indicator 故障指示器, 探伤器10electronic control system 电子控制系统engine load 发动机负载input signal 输入信号voltage signal 电压信号solenoid valve 电磁阀; 电磁调节阀solenoid coil 电磁铁线圈，电磁线圈input

30、/output circuit 输入/输出回路integrated circuit (IC) 集成电路function table 功能表decision table 决策表ignition advance characteristic 点火提前量coolant temperature 冷却剂温度decoder circuit 解码器电路addressing memory 地址存储器ignition timing 点火正时match with 使和相配(称)11marketing 5mB:kitiN n. 市场营销promotion prE5mEuFEn n. 促销segmentation 7

31、 semEn5teiFEn n. 市场细分competitor kEm5petitE n. 竞争者advertising 5AdvEtaiziN n. 广告marketing mix 营销组合mass marketing 完全市场覆盖product-variety marketing 专门化市场target marketing 密集单一市场market penetration: 市场渗透market-skimming 取脂定价sales volume 销量personal selling 人员推销sales promotion 促销public relations 公共关系DiagramThe

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38、t4Text53-D Pie ChartBlock DiagramAdd Your TextAdd Your TextconceptConceptConceptConceptThank You !Automobile Practical EnglishUnit TwoContentsV. GlossaryIV. Exercises III. Text B- Crankshaft and Connecting Rod Mechanism II. Text A- EFI SystemI. Related KnowledgeWhat is EFI system composed of?EFI sys

39、tem is composed of the fuel delivery system, air induction system, and the electronic control system. I. Related KnowledgeEFI SystemII. Text A- EFI SystemThe Electronic Fuel Injection system can be divided into three basic subsystems. These are the fuel delivery system, air induction system, and the

40、 electronic control system. Electronic Fuel Injection system=EFI 电控燃油喷射系统fuel delivery system 燃油供给系air induction system 空气供给系electronic control system 电子控制系Fuel is maintained at a constant pressure by means of a fuel pressure regulator. constant 持续不变的fuel pressure regulator 燃油压力调节器When the throttle

41、valve is opened, air flows through the air cleaner, through the air flow meter (on L type systems), past the throttle valve, and through a well tuned intake manifold runner to the intake valve. throttle valve 节气门air cleaner 空气滤清器The ECU turns the injectors on for a precise amount of time, which is r

42、eferred to as injection pulse width or injection duration, to deliver the proper air/fuel ratio to the engine.injectors 喷油器injection pulse width or injection 喷油脉宽或喷油持续时间The ECU determines the basic injection quantity based upon measured intake air volume and engine rpm. ECU会按照计量的空气量和发动机转速来确定基本喷油量。By

43、 delivering fuel directly at the back of the intake valve, the intake manifold design can be optimized to improve air velocity at the intake valve. This improves torque and throttle ake valve 进气门intake manifold 进气歧管air velocity 空气流速In a reciprocating engine, the power mechanism is called

44、 the crankshaft and connecting rod assembly. reciprocating 往复运动的III. Text B-Crankshaft and Connecting Rod Mechanism The engine crankcase and cylinder block are usually cast in one piece and therefore can be seen as the largest and most intricate piece of metal in automobile. crankcase and cylinder b

45、lock 曲轴箱和汽缸体cast 铸造intricate =complicated 错综复杂的It may be flat, concave, or convex. It may also be in any other shapes to promote turbulence or help control combustion.concave 凹的convex 凸的combustion 燃烧Mechanically, a crankshaft without special balanced weights would have severe vibration when revolvin

46、g. balanced weights 平衡重vibration 振动In other words, it must be provided with counterbalanced weights that extend radially from the crankshaft centerline in the opposite direction of the crank arms. In that way, the forces acting on the crankshaft are balanced and vibration is reduced.counterbalanced

47、weights 平衡重radially 径向地crank arms 曲柄臂i. Fill the missing words in the blanks of the following dialogue and role-play in pairs adapted from the dialogue.Lisa: Hi, John, I hear you have taken part in a training class of auto technology recently, havent you? John: Yes, I have I learned a lot.Lisa: May

48、I ask you some questions about aspects of auto?John: Certainly.Lisa: Could you please tell me what is the advantage of fuel delivery system?John: It is Electronic Fuel Injection System.Lisa: What does EFI consist of?IV. ExercisesJohn: EFI can be divided into three basic subsystems. These are the fue

49、l delivery system, air induction system, and the electronic control system. Lisa: What is the advantage of Electronic Fuel Injection System compared with the traditional Fuel Delivery System?John: There are many advantages. For example, it supplies a continuously accurate air/fuel ratio to the engin

50、e no matter what operating conditions are encountered. Lisa: Thank you for your telling me so much knowledge in automobile aspects.ii. Choose the correct word form to complete each sentence. manifold atomization stoichiometry throttle injector solenoids velocity throttleFuel is delivered from the ta

51、nk to the injector by means of an electric fuel pump.As the throttle valve is opened further, more air is allowed to enter the engine cylinder.The injectors are electrical solenoids which are operated by the ECU.The ECU signals the injector to deliver just enough fuel to achieve an ideal air/fuel ra

52、tio of 14.7:1, often referred to as stoichiometry .This eliminates the need for fuel to travel through the intake manifold , improving cylinder to cylinder distribution.By delivering fuel directly at the back of the intake valve, the intake manifold design can be optimized to improve air velocity at

53、 the intake valve.Cold engine and wide open throttle enrichment can be reduced with an FEI engine because fuel pudding in the intake manifold is not a problem.The combination of better fuel atomization and injection directly at the intake valve improves ability to start and run a cold engine.V. Glos

54、sarysubsystem n. 子系统wiring n. 线路，配线sensor n. 传感器pulse n. 脉冲coolant n. 冷却液velocity n. 速度，迅速stoichiometry n. 化学计量法EFI system 电子控制燃油喷射系统fuel filter 燃油滤清器fuel delivery pipe 燃油分配管fuel rail 燃油管路fuel injector 喷油器fuel pressure regulator 燃油压力调节器fuel return pipe 燃油回油管L type EFI system L型电控燃油喷射系统engine sensor

55、发动机传感器electrical solenoid 电磁阀injection pulse width 喷射脉冲宽度air/fuel ratio 空燃比fuel economy 燃油经济性Thank You !Automobile Practical EnglishUnit ThreeContentsV. GlossaryIV. Exercises III. Text B- Variable Valve Timing II. Text A- Valve TrainI. Related Knowledge1.What is the function of valve train?Open the

56、intake valve in time and let the air-fuel mixture into the cylinders in intake stroke.Open the exhaust valve in time and let the exhaust gases out of the cylinder in exhaust stroke. I. Related Knowledge2. How many main parts does the valve train consist of?push rodtappetcamshafttiming gearvalverocke

57、r armvalve springII. Text A-Valve TrainIn an internal combustion engine, the valve train provides timely admission of the fresh charge into the cylinders and exhaust of spent gases from them. internal combustion engine 内燃机 valve train 配气机构 timely adj 及时的，适时的 fresh charge 新鲜混合气 For this purpose the v

58、alves at definite moments open and close the intake and exhaust ports in the cylinder head, through which the cylinders communicate with the intake and exhaust manifold.definite moments 确定的时刻,一定的时刻 definite adj 明确的，一定的intake &exhaust ports 进/排气道 intake &exhaust manifold 进/排气歧管There valve train is co

59、mposed of timing gears, a camshaft, tappets, valves, spring with fasteners and valve guides.be composed of 由组成tappet 挺杆 fastener 紧固件valve guide 气门导管The timing gears in most engines are housed in a special case fitted at the front end of the engine. The gears are made of steel and use helical teeth t

60、o reduce noise.timing gears 正时齿轮be made of 用.造成be made from 由.所做成的helical teeth 螺旋齿 helical adj 螺旋状的Camshafts function is to open the engine valves positively and timely, in a definite sequence, and to control their closing against the return action of the valve springs. to 不定式放在系动词后做表语positively ad