汽車英語全套ppt完整版課件整本書電子教案最全教學(xué)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 單個(gè)部件structural 有一定結(jié)構(gòu)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 顧名思義convertinto 把轉(zhuǎn)換為force 力The transmission system consists of clutch, gearbox, propeller shaft, rear axle and differential and the driving road wheels. transmission system 傳動系propeller shaft 傳動軸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 離合器torque converter 液力變矩器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 沖擊damp 衰減dissipate 驅(qū)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 轉(zhuǎn)向力manoeuvre 熟練操作

7、The electrical system supplies electricity for the ignition, horn, lights, heater, and starter. The electricity level is maintained by a charging circuit. ignition 點(diǎn)火horn 喇叭starter 起動機(jī)charging circuit 充電電路Of all automobile components, an automobile engine is the most complicated assembly with domina

8、nt effects on the function of an automobile. complicated 復(fù)雜的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 壓力piston 活塞crankshaft 曲軸The int

9、ake stroke of a four-stroke engine begins with the piston at top dead center (TDC). intake stroke 進(jìn)氣沖程top dead center (TDC) 上止點(diǎn)bottom dead center （BDC）下止點(diǎn)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 大氣壓intake manifold 進(jìn)氣歧管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 點(diǎn)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 壓縮沖程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 排氣門combustion chamber 燃燒室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. 汽車chassis n. 底盤internal combustion engine 內(nèi)燃機(jī)propel vt. 推進(jìn), 驅(qū)使spark-ignition engine 火花點(diǎn)火式內(nèi)燃機(jī)compression-ignition engine 壓縮點(diǎn)火式內(nèi)燃機(jī)clutch n.離合器propeller shaft 螺旋軸；傳動軸torque converter 液力變矩扭器， 轉(zhuǎn)矩變換器hydraulic adj.水力的,

17、水壓的，液壓的flexible joint 柔性接頭, 撓性連接, 撓性接頭shock absorber 減震器，緩沖器,減震器, 阻尼器power steering system 動力轉(zhuǎn)向系統(tǒng)alternator n.交流發(fā)電機(jī)Thank You !Unit 2subsystem 5sQb7sistim n. 子系統(tǒng)wiring 5waiEriN n. 線路，配線sensor 5sensE n. 傳感器pulse pQls n. 脈沖coolant 5ku:lEnt n. 冷卻液velocity vi5lCsiti n. 速度，迅速stoichiometry 7stCiki5Cmitri n

18、. 化學(xué)計(jì)量法EFI system 電子控制燃油噴射系統(tǒng)fuel filter 燃油濾清器fuel delivery pipe 燃油分配管fuel rail 燃油管路fuel injector 噴油器fuel pressure regulator 燃油壓力調(diào)節(jié)器fuel return pipe 燃油回油管L type EFI system L型電控燃油噴射系統(tǒng)engine sensor 發(fā)動機(jī)傳感器electrical solenoid 電磁閥injection pulse width 噴射脈沖寬度air/fuel ratio 空燃比fuel economy 燃油經(jīng)濟(jì)性3valve vAlv

19、n. 氣門intake ports 進(jìn)氣道exhaust manifold排氣歧管timing gear正時(shí)齒輪camshaft凸輪軸tappet 5tApit n.挺桿push rod推桿rock rCk n.搖臂oil pump機(jī)油泵valve spring 氣門彈簧eccentric wheel偏心輪bronze bush青銅襯套valve clearance氣門間隙valve stem 氣門桿,閥桿recess ri5ses n.切口，退刀槽valve train 氣門機(jī)構(gòu)，配氣機(jī)構(gòu)coil spring 螺旋彈簧camshaft play 凸輪軸端隙rocker contact pa

20、d 搖臂接觸部位silichrome heat-resistant steel 硅鉻耐熱鋼variable coil pitch spring 變螺距彈簧4power train 傳動系transmissiontrAnz5miFEn n. 變速器clutchklQtF v. 離合器differential7difE5renFEl n. 差速器synchronizer5siNkrEnaizE n. 同步器transaxletrAnsAksl n. 傳動軸drive shaft 驅(qū)動軸universal7ju:ni5vE:sEl n. 萬向節(jié)bumper5bQmpE n. 保險(xiǎn)杠，緩沖器relea

21、se bearing 分離軸承manual transmission 手動變速器reverse idler gears 倒檔中間齒輪automatic transmission 自動變速器planetary-gear system 行星齒輪系hydraulic control system 液力控制系統(tǒng)propeller shaft 傳動軸universal joint 萬向節(jié)four-wheel drive 四輪驅(qū)動thrust pad 止推墊5tractive effort 牽引力crankshaft5krANkFB:ft n.曲軸axle5Aksl n. 輪軸、車軸drive line

22、動力傳動系統(tǒng)，驅(qū)動系統(tǒng)propeller shaft 汽車傳動軸，萬向節(jié)軸inertiai5nE:FjE n. 慣性, 慣量coasting5kEustiN 滑行，慣性運(yùn)轉(zhuǎn)，滑行距離tractive resistance 牽引阻力reverse gear 反轉(zhuǎn)齒輪splinesplain n. 花鍵 vt.開鍵槽于，用花鍵連接rimrim n. 邊, 輪緣, 藍(lán)框synchronizer sleeves 同步器嚙合套gear shift mechanism 換檔機(jī)構(gòu)reverse speed safety device 倒檔速度安全裝置snapsnAp v. 咬住，抓住，卡斷hubhQb n.

23、 轂, 木片, 中心6suspension sEs5penFEn n. 懸架gusset 5Qsit n. 加力片，角板，三角加強(qiáng)板bumper 5bQmpE n. 緩沖器，減振器，保險(xiǎn)杠deflection di5flekFEn n. 變形，變位，撓曲jerk dVE:k n. 猛然一拉振動，沖擊pitch pitF v. 縱向搖動，俯仰，前后顛簸loop lu:p n. 卷耳，圈，環(huán)shackle 5FAkl n. 鉤環(huán)，掛鉤，吊耳elasticity IlAs5tIsItI n. 彈性，彈力，伸縮性U-bolt U型螺栓transversely 5trAnzvE:s li adv. 橫向

24、地oscillation 7Csi5leiFEn n. 震蕩，振動，來回?cái)[動wishbone 5wiFbEun n. 叉骨, Y字型的東西twisting and bending forces 扭力和彎力steering angle 轉(zhuǎn)向角torsion bar 扭桿rebound clips 回跳夾，鋼板彈簧定位夾independent suspension system 獨(dú)立懸架系統(tǒng)shock absorber 減振彈簧7column 5kRlEm n. 柱，桿pitman 5pitmEn n. 連桿，搖桿gearset 5iEset n. 齒輪組，變速箱rack rAk n. 齒條wor

25、m wE:m n. 蝸桿pitch pitF n. 螺距，齒節(jié)，節(jié)距pivot 5pivEt n. 樞軸，主銷sleeve sli:v n. 襯套nut nQt n. 螺母radius 5reidjEs n. 半徑knuckle 5nQkl n.關(guān)節(jié)，轉(zhuǎn)向節(jié)，萬向接頭rack-and-pinion steering gear 齒輪齒條式轉(zhuǎn)向器recirculating-ball steering gear 循環(huán)球式轉(zhuǎn)向器SUV(Sport Utility Vehicle) 運(yùn)動型多用途車gear sector 齒扇steering wheel 方向盤linear motion 線性運(yùn)動stee

26、ring shaft 轉(zhuǎn)向柱，轉(zhuǎn)向桿steering knuckle arm 轉(zhuǎn)向節(jié)臂pitman arm 轉(zhuǎn)向搖臂tie rod 轉(zhuǎn)向橫拉桿8stability stE5biliti n. 穩(wěn)定性diagnostic 7daiE5nCstik adj. 診斷的，（有）特征的illuminate i5lju:mineit v. 照亮，發(fā)光activate 5Aktiveit v. 使活動，對起作用，起動，開動retrieve ri5tri:v v. 更正，糾正，彌補(bǔ)antiskid 5Antiskid n.防滑裝置antilock 5Anti n.防抱死solenoid 5sEulinCid

27、n.電磁線圈coefficient kEui5fiFEnt n. 系數(shù)property 5prCpEti n.屬性，特性needle 5ni:dl n.指針nozzle 5nCzl n.噴嘴regulator 5rejuleitE n.調(diào)節(jié)器exciter ik5saitE n.振蕩器，激發(fā)器，勵磁機(jī)instrument panel 儀表板warning light 警告燈magnetic induction 磁感應(yīng)solenoid valve 電磁閥9electrical system 電氣系統(tǒng)charging system 充電系統(tǒng) starting system 起動系統(tǒng),起堆系統(tǒng) ig

28、nition system 點(diǎn)火系統(tǒng); 點(diǎn)火裝置; 發(fā)火系統(tǒng);點(diǎn)火系lighting system 照明系統(tǒng) auxiliary system 輔助系統(tǒng)battery 5bAtEri n. 電池, 蓄電池alternator 5C:ltE(:)neitE n. 交流發(fā)電機(jī)voltage regulator 穩(wěn)壓器,電壓調(diào)節(jié)器, 調(diào)壓器indicator light 指示燈self-starter self5stB:tE(r) n. 電動式起動裝置starter motor 起動電動機(jī);起動機(jī)solenoid switch 電磁開關(guān)spark plug 火花塞park light 停車燈head

29、light 5hedlaIt n.前燈, 桅燈dip switch 雙列直插式封裝開關(guān) stop-lights 制動燈turn-signals 轉(zhuǎn)向信號燈alert E5lE:t adj.提防的, 警惕的n.警惕, 警報(bào)reversing light n. 汽倒車燈fault indicator 故障指示器, 探傷器10electronic control system 電子控制系統(tǒng)engine load 發(fā)動機(jī)負(fù)載input signal 輸入信號voltage signal 電壓信號solenoid valve 電磁閥; 電磁調(diào)節(jié)閥solenoid coil 電磁鐵線圈，電磁線圈input

30、/output circuit 輸入/輸出回路integrated circuit (IC) 集成電路function table 功能表decision table 決策表ignition advance characteristic 點(diǎn)火提前量coolant temperature 冷卻劑溫度decoder circuit 解碼器電路addressing memory 地址存儲器ignition timing 點(diǎn)火正時(shí)match with 使和相配(稱)11marketing 5mB:kitiN n. 市場營銷promotion prE5mEuFEn n. 促銷segmentation 7

31、 semEn5teiFEn n. 市場細(xì)分competitor kEm5petitE n. 競爭者advertising 5AdvEtaiziN n. 廣告marketing mix 營銷組合mass marketing 完全市場覆蓋product-variety marketing 專門化市場target marketing 密集單一市場market penetration: 市場滲透market-skimming 取脂定價(jià)sales volume 銷量personal selling 人員推銷sales promotion 促銷public relations 公共關(guān)系DiagramThe

32、meGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.TitleAdd your textThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc. Cycle DiagramTextTextTextTextTextCycle nameAdd Your TextDiagramTextTextTextAdd YourTitle TextText 1Text 2Text

33、3Text 4Text 5Add YourTitle TextText 1Text 2Text 3Text 4Text 5TextTextDiagramConceptAdd Your TextTextTextTextTextTextTextDiagramAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextDiagramAdd Your TextAdd Your TextAdd Your TextAdd Your TitleDiagramTh

34、emeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.TextTextTextDiagramAdd Your TitleTextText

35、TextText Cycle DiagramConceptBECDAAdd Your TextAdd Your TextAdd Your TextAdd Your TextAdd Your TextDiagram1ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.2ThemeGallery is a Design Digital Content & Contents mall developed by Guild Design Inc.3ThemeGallery is a

36、 Design Digital Content & Contents mall developed by Guild Design Inc.DiagramYour TextYour TextYour TextYour TextYour TextYour TextYour TextYour Text2001200220032004Progress DiagramPhase 1Phase 2Phase 3Diagram2003.10 Add Your Text2003.10 Add Your Text2003.10 Add Your Text2000200120022003Company Hist

37、ory2001.10 Add Your Text2001.10 Add Your Text2001.10 Add Your Text2002.10 Add Your Text2002.10 Add Your Text2002.10 Add Your Text2000.10 Add Your Text2000.10 Add Your Text2000.10 Add Your TextTableTitleTitleTitleTitleTitleTitleOOOOOTitleOOOOOTitleOOOOOTitleOOOOOTitleOOOOOTitleOXOXOText1Text2Text3Tex

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 電控燃油噴射系統(tǒng)fuel delivery system 燃油供給系air induction system 空氣供給系electronic control system 電子控制系Fuel is maintained at a constant pressure by means of a fuel pressure regulator. constant 持續(xù)不變的fuel pressure regulator 燃油壓力調(diào)節(jié)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 節(jié)氣門air cleaner 空氣濾清器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 噴油器injection pulse width or injection 噴油脈寬或噴油持續(xù)時(shí)間The ECU determines the basic injection quantity based upon measured intake air volume and engine rpm. ECU會按照計(jì)量的空氣量和發(fā)動機(jī)轉(zhuǎn)速來確定基本噴油量。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 進(jìn)氣門intake manifold 進(jìn)氣歧管air velocity 空氣流速In a reciprocating engine, the power mechanism is called

44、 the crankshaft and connecting rod assembly. reciprocating 往復(fù)運(yùn)動的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 曲軸箱和汽缸體cast 鑄造intricate =complicated 錯(cuò)綜復(fù)雜的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 燃燒Mechanically, a crankshaft without special balanced weights would have severe vibration when revolvin

46、g. balanced weights 平衡重vibration 振動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 徑向地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. 子系統(tǒng)wiring n. 線路，配線sensor n. 傳感器pulse n. 脈沖coolant n. 冷卻液velocity n. 速度，迅速stoichiometry n. 化學(xué)計(jì)量法EFI system 電子控制燃油噴射系統(tǒng)fuel filter 燃油濾清器fuel delivery pipe 燃油分配管fuel rail 燃油管路fuel injector 噴油器fuel pressure regulator 燃油壓力調(diào)節(jié)器fuel return pipe 燃油回油管L type EFI system L型電控燃油噴射系統(tǒng)engine sensor

55、發(fā)動機(jī)傳感器electrical solenoid 電磁閥injection pulse width 噴射脈沖寬度air/fuel ratio 空燃比fuel economy 燃油經(jīng)濟(jì)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 內(nèi)燃機(jī) valve train 配氣機(jī)構(gòu) timely adj 及時(shí)的，適時(shí)的 fresh charge 新鮮混合氣 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 確定的時(shí)刻,一定的時(shí)刻 definite adj 明確的，一定的intake &exhaust ports 進(jìn)/排氣道 intake &exhaust manifold 進(jìn)/排氣歧管There valve train is co

59、mposed of timing gears, a camshaft, tappets, valves, spring with fasteners and valve guides.be composed of 由組成tappet 挺桿 fastener 緊固件valve guide 氣門導(dǎo)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 正時(shí)齒輪be made of 用.造成be made from 由.所做成的helical teeth 螺旋齒 helical adj 螺旋狀的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 不定式放在系動詞后做表語positively ad