《汽车业外语课件》由会员分享，可在线阅读，更多相关《汽车业外语课件（20页珍藏版）》请在金锄头文库上搜索。
1、Hybrid-Electric Vehicle and VR6/W12 Engine 混合电动车和VR6/W12发动机 Unit 2Passage APassage AWhats the characteristic of HEV?l l ForefrontForefront of automobile development of automobile developmentl l CombineCombine the benefit of internal combustion engine and electric motor the benefit of internal combus
2、tion engine and electric motorl l ImproveImprove the fuel economy the fuel economy withoutwithout sacrificingsacrificing performance or driving range performance or driving rangel l ConvertConvert the energy wasted during the energy wasted during coastingcoasting and and brakingbraking into electric
3、ity into electricityl l Use the electric motor to Use the electric motor to assistassist the engine when accelerating or hill climbing the engine when accelerating or hill climbing and in low speed driving conditions where internal combustion engines are least and in low speed driving conditions whe
4、re internal combustion engines are least efficient.efficient.Passage APassage AHybrid-Electric Vehicle混合电动车汽车业外语课件Passage APassage AHybrid-Electric Vehicle混合电动车Passage APassage Al Gasoline/diesel enginel Fuel tankl Electric motorl Generatorl Batteriesl Transmissionl 汽油/柴油机l 油箱l 电机l 发电机l 电池组l 传动装置Inc
5、ludes:汽车业外语课件Passage APassage AHybrid-Electric Vehicle混合电动车Passage APassage A汽车业外语课件Passage APassage AGasoline/diesel engine汽油/柴油机Passage APassage Al Much like the one you will find on most cars Much like the one you will find on most carsl Smaller and uses advanced technologies Smaller and uses adv
6、anced technologiesl Reduce emissions and increase efficiency Reduce emissions and increase efficiency汽车业外语课件Passage APassage AFuel tank油箱Passage APassage Al Energy storage device for the Energy storage device for the engineenginel Gasoline/diesel oil has a much higher energy Gasoline/diesel oil has
7、a much higher energy density than batteries dodensity than batteries dol Should it be smaller than the ones of common Should it be smaller than the ones of common cars ? cars ? Why?Why?汽车业外语课件Passage APassage AElectric motor / Generator电机 / 发电机Passage APassage Al Very sophisticated / complicated Ver
8、y sophisticated / complicatedl Act as a motor as well as generator, Act as a motor as well as generator, controlled controlled by?by?l When it needs to, it can When it needs to, it can drawdraw energy from the energy from the batteries to batteries to accelerateaccelerate the car. But (While) acting
9、 as the car. But (While) acting as a generator, it can a generator, it can slowslow the car down and the car down and returnreturn energy to the batteries.energy to the batteries.l GeneratorGenerator acts only to produce electrical power, acts only to produce electrical power, used mostly on series
10、hybrids.used mostly on series hybrids.汽车业外语课件Passage APassage ABatteries电池组Passage APassage Al Energy storage device for the Energy storage device for the motormotorl Continually power the Continually power the auxiliaryauxiliary system, such as system, such as air conditioningair conditioning and a
11、nd dashboard displaysdashboard displays汽车业外语课件Passage APassage ATransmission传动装置Passage APassage Al PerformsPerforms the same basic function as the the same basic function as the transmission on a conventional cartransmission on a conventional carl TransmitsTransmits the engine/motor power to the ca
12、r the engine/motor power to the car wheelswheels汽车业外语课件Passage APassage AHow do hybrid-electric vehicle work ?Passage APassage Al Starting Starting （启动）（启动） The gasoline engine “warms up”. If necessary, converts energy The gasoline engine “warms up”. If necessary, converts energy from the engine int
13、o electricity and stores it in the battery.from the engine into electricity and stores it in the battery.l Cruising Cruising （巡行）（巡行） Engine powers the vehicle at cruising speeds. If necessary, Engine powers the vehicle at cruising speeds. If necessary, provides power to the battery for later use.pr
14、ovides power to the battery for later use.l Passing Passing （超车）（超车） The engine and the motor are both used to drive the car.The engine and the motor are both used to drive the car.汽车业外语课件Passage APassage AHow do hybrid-electric vehicle works ?Passage APassage Al Braking Braking （刹车）（刹车） Converts wa
15、sted energy from braking into electricity and Converts wasted energy from braking into electricity and stores it in the battery. The electric motor is stores it in the battery. The electric motor is reversedreversed and and slows the vehicle down. If additional stopping power is slows the vehicle do
16、wn. If additional stopping power is needed, conventional friction brakes are also needed, conventional friction brakes are also appliedapplied automatically.automatically.l Parking Parking （驻车）（驻车） When the car is stopped, such as before the red light, the When the car is stopped, such as before the
17、 red light, the engine and electric motor shut off automatically in idling.engine and electric motor shut off automatically in idling.汽车业外语课件Passage APassage ANew words （生词）1.1. Regenerative braking Regenerative braking2.2. Plug in Plug in3.3. Energy density Energy density4.4. Propulsion power Propu
18、lsion power5.5. Cruising speed Cruising speed6.6. Stopping power Stopping power7.7. Forefront Forefront8.8. Transportation Transportation9.9. Potential Potential 10.10. Configure Configure11.11. Significant Significant12.12. Auxiliary Auxiliary13.13. Sacrifice Sacrifice14.14. Propel Propel15.15. Coa
19、sting Coasting16.16. Accelerate Accelerate17.17. Idling Idling18.18. Passing Passing19.19. Sophisticated Sophisticated20.20. Reversed Reversed汽车业外语课件Passage APassage AExercise 5汽车业外语课件Passage APassage AVR6 and W12 EngineVR6/W12发动机 Passage BPassage BVR6 Engine汽车业外语课件VR6 and W12 EngineVR6/W12发动机 Passa
20、ge BPassage Bl The V angle between cylinder is 15 The V angle between cylinder is 15 rather than 60rather than 60 or or 9090 founded in most conventional V6 engine designs.founded in most conventional V6 engine designs.l Comes from a combination of Comes from a combination of VeeVee and and Reihenmo
21、torReihenmotor. .l Like a in-line engine. Like a in-line engine.l Single cylinder block and head, compared with a Single cylinder block and head, compared with a conventional V6 which consists of 2 banks and 2 heads.conventional V6 which consists of 2 banks and 2 heads.l Narrow width and excellent b
22、alancing, short overall Narrow width and excellent balancing, short overall length and compactnesslength and compactnessVR6 Engine汽车业外语课件VR6 and W12 EngineVR6/W12发动机Passage BPassage Bl Whats the length of the V6 and VR6 Whats the length of the V6 and VR6 engine compared with in-line engine?engine co
23、mpared with in-line engine?l How many camshafts of VR6 engine? How many camshafts of VR6 engine?VR6 EnginePage 20, Paragraph 1Page 20, Paragraph 1汽车业外语课件VR6 and W12 EngineVR6/W12发动机Passage BPassage Bl A combination of two VR6s A combination of two VR6sl Mating two VR6 in an Mating two VR6 in an incl
24、ined angle of 72inclined angle of 72 l Thin connecting rods. P Thin connecting rods. P2121W12 Engine汽车业外语课件Passage APassage ANew words （生词）21.21. Valve gears Valve gears22.22. Asymmetric Asymmetric23.23. Unique Unique24.24. Accessible Accessible25.25. Ensure Ensure26.26. Approach Approach27.27. Bolt
25、 Bolt28.28. Nut Nut 29.29. Screw Screw 30.30. Washer Washer31.31. Cylinder gasket Cylinder gasket32.32. Virtually Virtually33.33. Breathing Breathing34.34. Ventilation Ventilation35.35. Take advantage of Take advantage of P19, Final Para.P19, Final Para.36.36. Cross flow cylinder head Cross flow cyl
26、inder head37.37. Exhaust passage Exhaust passage38.38. Exhaust manifold Exhaust manifold39.39. Single Over Head Camshaft (SOHC) Single Over Head Camshaft (SOHC)40.40. Double Over Head Camshaft (DOHC) Double Over Head Camshaft (DOHC)41.41. In comparison to In comparison to汽车业外语课件Passage APassage APas
27、sage C: Have a TryClasswork （课堂练习）Troubleshooting GuideTroubleshooting GuideDescription of problem:Description of problem: You push on the clutch ( You push on the clutch (离合离合)pedal, and )pedal, and it drops to the floor. With the pedal to the floor, you still cant it drops to the floor. With the p
28、edal to the floor, you still cant change the gears. This problem may occur suddenly on some change the gears. This problem may occur suddenly on some cars. On others changing gears may become more difficult cars. On others changing gears may become more difficult each time you shift until you cant g
29、et it into gear.each time you shift until you cant get it into gear.Probable causes:Probable causes:1.1.The clutch cable is broken,The clutch cable is broken,2.2.The clutch cable is disconnected.The clutch cable is disconnected.3.3.There is no fluid in the hydraulic clutch circuit.There is no fluid
30、in the hydraulic clutch circuit.4.4.There is a leak in the hydraulic clutch circuit.There is a leak in the hydraulic clutch circuit.汽车业外语课件西华大学XIHUA UNIVERSITYXIHUA UNIVERSITY交通与汽车工程学院交通与汽车工程学院Faculty of Faculty of Transportation and Transportation and Automotive EngineeringAutomotive Engineering Homework1.Review the new word, phrases and expressions2.Exercise 3, 4, 5, 6汽车业外语课件西华大学XIHUA UNIVERSITYXIHUA UNIVERSITY交通与汽车工程学院交通与汽车工程学院Faculty of Faculty of Transportation and Transportation and Automotive EngineeringAutomotive Engineering Thanks汽车业外语课件
